Question for RRB ALP Mechanical 2026 - Quiz / Questions / MCQ

Objective Questions

Latest RRB ALP Mechanical Exam Question (Objective Questions), MCQ in English

Subjects : Mathematics, General Intelligence and Reasoning, Basic Science & Engineering, Mechanical Engineer

Question Bank RRB ALP Mechanical Exam (CBT Stage 2) - English

Mathematics

Question 1Single Answer

The cash difference between the selling prices of an article at a profit of 4% and 6% is Rs. 3. The ratio of the two selling prices is:__________ ?

A
51:52
B
52:53
C
51:53
D
52:55

Question 2Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 3Single Answer

356 x 936 – 356 x 836 = ?

A
35600
B
34500
C
9630
D
93600

Question 4Single Answer

Arrange in descending order: 5/8, 7/10, 3/4

A
3/4 > 7/10 > 5/8
B
7/10 > 3/4 > 5/8
C
3/4 > 5/8 > 7/10
D
5/8 > 7/10 > 3/4

Question 5Single Answer

What is (3^{^}{4} times 9^{^}{2}) ?

A
3⁶
B
3⁸
C
3¹⁰
D
9⁶

Question 6Single Answer

If 3⁴X^-2 = 729, then find the value of X.

Question 7Single Answer

Convert 0.6 into fraction ?

A
3/5
B
2/3
C
4/5

Question 8Single Answer

The no. plate of a bus had peculiarity. The bus number was a perfect square. It was also a perfect square when the plate numbers were reversed. The bus company had only five hundred buses numbered from 1 to 500. What was the number ?

A
169
B
36
C
196
D
Can not say

Question 9Single Answer

If a and b are positive integers, such that ab = 125, then (a-b)^a+b-4= ?

A
16
B
25
C
28
D
30

Question 10Single Answer

If x^*y = x² + y² – xy, then value of 9^*11 is

A
93
B
103
C
60.5
D
121

Question 11Single Answer

Which is greater ?

A
15/16
B
17/18
C
Equal
D
Cannot compare

Question 12Single Answer

If sum of two numbers is 42 and their product is 437, then find their difference.

Question 13Single Answer

Write the 44000 in Roman numerals

A
XLI
B
XLVI
C
XLIV
D
XLVIC

Question 14Single Answer

Convert 0.0909… into fraction ?

A
1/11
B
9/11
C
1/9
D
9/10

Question 15Single Answer

What is (98 times 102) ?

A
9996
B
10000
C
10096
D
10196

Question 16Single Answer

Which is smaller ?

A
9/11
B
7/9
C
Equal
D
Cannot compare

Question 17Single Answer

Convert 0.5777… into fraction ?

A
26/45
B
52/90
C
13/22
D
5/9

Question 18Single Answer

Convert 0.81 into fraction ?

A
81/100
B
9/10
C
8/9
D
9/11

Question 19Single Answer

(63)² – (12)² =?

A
3528
B
3852
C
3582
D
3825

Question 20Single Answer

Which is greater ?

A
13/17
B
11/14
C
Equal
D
Cannot compare

Question 21Single Answer

Passage :

information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.

We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values

Chemistry but not in Physics.

A
318
B
198
C
213
D
206

Question 22Single Answer

Passage :

Direction: information given below and answer the question that follow.
The result of an exam is given below. Out of 1000 students who appeared
(i) 658 failed in Physics
(ii) 166 failed in Physics and Chemistry
(iii) 372 failed in Chemistry, 434 failed in Physics and Maths
(iv) 590 failed in Maths, 126 failed in Maths & Chemistry
Find the number of people who failed in (assuming that none is passed in all subjects.

We have the following equations:
a+ b + c + d + e + f + g = 1000
a + b + d + e = 658, b + d = 166
b + d + c + f = 372
d + e = 434 as in the figure.
d + e + f + g = 590, d + f = 126. Find the values

Physics or Maths but not in Chemistry.

A
558
B
718
C
628
D
None of these

Question 23Single Answer

Passage :

For the next four question that follow:
In a city, three daily newspapers A, B, C are published, 42% read A; 51% read B; 68% read C; 30% read A and B; 28% read B and C; 36% read A and C; 8% do not read any of the three newspapers.

Let x% people read all the three newspapers.
Since 8% people do not read any newspapers.
(x – 24) + (x – 7) + (x + 4) + (30 – x) + (36 – x) + (28 – x) + x = 92
→ x + 98 – 31 = 92
→ x = 92 – 67 = 25

What is the percentage of persons who read all the three papers ?

A
20%
B
25%
C
30%
D
40%

Question 24Single Answer

Passage :

For the next four : question that follow :
In a city, three daily newspapers A, B, C are published, 42% read A; 51% read B; 68% read C; 30% read A and B; 28% read B and C; 36% read A and C; 8% do not read any of the three newspapers.

What is the percentage of persons who read only two papers?

A
19%
B
31%
C
44%
D
None of these

Question 25Single Answer

Passage :

What is the percentage of persons who read only one paper ?

A
38%
B
48%
C
51%
D
None of these

General Intelligence and Reasoning

Question 26Single Answer

How many such pairs of letters are there in the word ‘CLEANLINESS’ each of the which has as many letters between them in the word as they have in the English alphabet, in the same sequence?

A
Two
B
Three
C
Five
D
Four
E
None of these

Question 27Single Answer

Team A has scored more goals than Team B
Team C has scored fewer goals than Team B
Team A has scored fewer goals than Team C .
If the first two statements are true, the third statement is

A
True
B
False
C
Uncertain
D
None

Question 28Single Answer

If it is possible to make only one meaningful word with the second, the third, the sixth and the eight letters of the word FRAGMENT using each only once, which of the following will be the third letter of that word ? If no such word can be formed, give ‘X’ as the answer and if more than one such word can be formed, give ‘Y’ as the answer.

Question 29Single Answer

How many such letters are there in the word ORIENTAL each of which is as far away from the beginning of the word as when they are arranged alphabetically?

A
None
B
One
C
Two
D
Three
E
More than three

Question 30Single Answer

How many such pairs of letters in the word CREDIT each of which has as many letters between them in the word as in the English alphabet?

A
None
B
One
C
Two
D
Three
E
More than three

Question 31Single Answer

How many meaningful words can be made from the letters ‘LMEA’ using each letter only once in each word?

A
None
B
One
C
Two
D
Three
E
More than three

Question 32Single Answer

If it is possible to make only one meaningful word with the first, the second, the seventh and the eighth letters of the word TEMPORAL, which of the following will be the first letter of that word? If more than one such word can be made, give ‘Y’ as the answer and if no such word can be made, give ‘X’ as the answer.

Question 33Single Answer

If the letters of the word HANDOVER are arranged alphabetically from left to right how many letters will remain at the same position?

A
None
B
One
C
Two
D
Three
E
More than three

Question 34Single Answer

Passage :

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z .

Which letter in this alphabet is the eighth letter to the right of the letter and which is tenth letter to the left of the last but one letter of the alphabet ?

Question 35Single Answer

Passage :

Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If the third alphabet of each of the words is changed to the next alphabet in the English alphabetical series, which of the following will form a meaningful English word?

A
SUM
B
BIG
C
Both BIG and THE
D
FOR
E
Both FOR and BIG

Question 36Single Answer

Passage :

Direction : The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be second from the right ?

A
AND
B
FOR
C
THE
D
BIG
E
SUM

Question 37Single Answer

Passage :

Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If second alphabet in each of the words is changed to next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed ?

A
None
B
One
C
Two
D
Three
E
Four

Question 38Single Answer

Passage :

How many letters are there in the English alphabetical series between the second letter of the word which is second from the right and the second letter of the word which is second from the left of the given words?

A
Two
B
Five
C
Six
D
Nine
E
Three

Question 39Single Answer

Passage :

Direction: The following question is based on the five words given below:
AND FOR THE BIG SUM (The new words formed after performing the mentioned operations may or may not necessarily the meaningful English words.)

If in each of the given words, each of the consonant is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will no vowels appear?

A
None
B
One
C
Two
D
Three
E
More than three

Question 40Single Answer

Passage :

Direction : Following question is based on five words given below:
BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)

If the third alphabet in each of the words is changed to the next alphabet in the English alphabetical order, how many words having two vowels (same or different vowels) will be formed?

A
None
B
One
C
Two
D
Three
E
Four

Question 41Single Answer

Passage :

If the position of the first and the second alphabets of each of the words are interchanged, which of the following will form a meaningful English word?

A
Both CAT and OWN
B
Both BRU and INK
C
Only CAT
D
Only INK
E
Only LEG

Question 42Single Answer

Passage :

Direction: Following question is based on five words given below:
BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)

If the given words are arranged in the order as they would appear in a dictionary from left to right, which of the following will be exactly in the middle of the five words?

A
OWN
B
LEG
C
BRU
D
CAT
E
INK

Question 43Single Answer

Passage :

Direction: Following question is based on five words given below:
BRU LEGINKCATOWN
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words)

If in each of the given words, each of the consonants is changed to previous letter and each vowel is changed to next letter in the English alphabetical series, in how many words thus formed will the same alphabet appear twice?

A
None
B
One
C
Two
D
Three
E
More than three

Question 44Single Answer

Passage :

Find the missing number in the following series ?

3, 5, 5, 19, 7, 41, 9, ?

A
71
B
61
C
79
D
69

Question 45Single Answer

Passage :

Direction: following question is based on five words given below:
LAP BUT CAR SON HID
(The new words formed after performing the mentioned operations may or may not necessarily be meaningful English words.)

If the positions of the first and the third alphabets of each of the words are interchanged, which of the following would form meaningful words with the new arrangement?

A
HID
B
SON
C
Both LAP and BUT
D
CAR
E
Both CAR and LAP

Question 46Single Answer

Passage :

Direction : Each of the questions below consists of a question and two statements numbered (I) and (II) given below it. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer :

How many employees of bank ‘X’ opted for VRS ?
(I) 18% of the 950 officer cadre employees and 6% of the 1100 of all other cadre employees opted for VRS.
(II) 28% of the employees in the age group of 51 to 56 and 17% of the employees in all other age groups opted for VRS.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 47Single Answer

Passage :

The area of a playground is 1600 square meters. What is its perimeter ?
(I) It is a perfect square playground
(II) It costs Rs.3200 to put a fence around the playground at the rate of Rs.20 per meter.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 48Single Answer

Passage :

What is the value of m – n ÷ 37 ?
(I) m is the largest possible six-digit number and n is the smallest possible six-digit number.
(II) The difference between m and n is known.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 49Single Answer

Passage :

What is the value of x ?
(I) If 10 is added to x, the result is 34.
(II) If x is multiplied by y, the result is 38.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

Question 50Single Answer

Passage :

What was the total compound interest on a sum after three years ?
(I) The interest after one year was Rs. 100 and the sum after was Rs.1000.
(II) The difference between simple and compound interest on a sum of Rs.1000 at the end of two years was Rs.10.

A
Statement (I) ALONE is sufficient, but statement (II) alone is not sufficient
B
Statement (II) ALONE is sufficient, but statement (I) alone is not sufficient
C
BOTH statements TOGETHER are sufficient, but NEITHER statement alone is sufficient
D
EACH statement ALONE is sufficient

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Basic Science & Engineering

Question 51Single Answer

Which type of projection represents a 3D object on a 2D plane using multiple views?

A
Isometric projection
B
Orthographic projection
C
Perspective projection
D
Axonometric projection

Question 52Single Answer

In which projection are the three axes inclined at equal angles of 120°?

A
Orthographic projection
B
Isometric projection
C
Perspective projection
D
Oblique projection

Question 53Single Answer

Which projection is commonly used in architectural drawings to show depth and realism?

A
Orthographic projection
B
Isometric projection
C
Perspective projection
D
Sectional projection

Question 54Single Answer

What is the key characteristic of an orthographic projection?

A
It shows a 3D object in a single view
B
It requires multiple views to represent an object
C
It distorts proportions
D
It is only used for artistic drawings

Question 55Single Answer

In an isometric projection, how are the three principal axes oriented?

A
Perpendicular to each other
B
At 30° to the horizontal
C
At 45° to the vertical
D
Parallel to each other

Question 56Single Answer

The top view of an object is projected onto which plane?

A
Horizontal plane
B
Vertical plane
C
Profile plane
D
Perspective plane

Question 57Single Answer

The side view of an object is projected onto which plane?

A
Horizontal plane
B
Vertical plane
C
Profile plane
D
Isometric plane

Question 58Single Answer

Sectional views are used to:

A
Show the hidden details of an object
B
Reduce the complexity of a drawing
C
Remove unnecessary dimensions
D
Create artistic representations

Question 59Single Answer

The front view of an object is projected onto which plane?

A
Horizontal plane
B
Vertical plane
C
Profile plane
D
Oblique plane

Question 60Single Answer

Which type of sectional view is used to cut an object completely in half?

A
Half section
B
Full section
C
Partial section
D
Offset section

Question 61Single Answer

Which instrument is commonly used to draw horizontal parallel lines on a drawing board?

A
T-square
B
Divider
C
Compass
D
Protractor

Question 62Single Answer

Which instrument is used to draw circles and arcs?

A
Divider
B
Compass
C
Scale
D
Set square

Question 63Single Answer

A divider is mainly used for:

A
Drawing circles
B
Measuring angles
C
Transferring distances
D
Drawing horizontal lines

Question 64Single Answer

Which instrument is used to measure or construct angles?

A
T-square
B
Divider
C
French curve
D
Protractor

Question 65Single Answer

Which set square is normally used for drawing 45° lines?

A
30°–60° set square
B
45° set square
C
15° set square
D
75° set square

Question 66Single Answer

The standard angles of a 30°–60° set square are:

A
30°, 60°, 90°
B
30°, 45°, 90°
C
45°, 60°, 90°
D
15°, 75°, 90°

Question 67Single Answer

In engineering drawing, visible outlines are normally represented by:

A
Thin continuous lines
B
Dashed lines
C
Thick continuous lines
D
Chain lines

Question 68Single Answer

Hidden edges in an engineering drawing are represented by:

A
Dashed lines
B
Continuous thick lines
C
Chain lines
D
Freehand lines

Question 69Single Answer

A centre line is generally represented by:

A
Thick continuous line
B
Thin chain line
C
Thick dashed line
D
Zigzag line

Question 70Single Answer

Dimension lines are normally drawn as:

A
Freehand lines
B
Thick continuous lines
C
Thick chain lines
D
Thin continuous lines

Question 71Single Answer

In orthographic projection, the view seen from above is called the:

A
Front view
B
Side view
C
Top view
D
Auxiliary view

Question 72Single Answer

The view obtained by looking directly at the front of an object is called the:

A
Plan
B
Side elevation
C
Front elevation
D
Sectional view

Question 73Single Answer

In engineering drawing, the top view is also known as the:

A
Elevation
B
Plan
C
Profile
D
Perspective

Question 74Single Answer

Orthographic projection generally represents an object using:

A
Artistic sketches
B
Only perspective views
C
Photographic images
D
Two-dimensional views

Question 75Single Answer

Which projection gives a pictorial representation of an object with three dimensions visible?

A
Isometric projection
B
Orthographic projection
C
First-angle projection
D
Sectional projection

Question 76Single Answer

The angle between any two isometric axes is:

A
120°
B
90°
C
60°
D
180°

Question 77Single Answer

A circle drawn in isometric projection generally appears as a/an:

A
Circle
B
Ellipse
C
Square
D
Triangle

Question 78Single Answer

A polygon having three sides is called a:

A
Pentagon
B
Hexagon
C
Quadrilateral
D
Triangle

Question 79Single Answer

A polygon having five sides is called a:

A
Octagon
B
Hexagon
C
Heptagon
D
Pentagon

Question 80Single Answer

A regular hexagon has:

A
4 sides
B
5 sides
C
6 sides
D
8 sides

Question 81Single Answer

What is the SI unit of length?

A
Centimetre
B
Foot
C
Metre
D
Inch

Question 82Single Answer

What is the SI unit of mass?

A
Gram
B
Kilogram
C
Pound
D
Tonne

Question 83Single Answer

What is the SI unit of time?

A
Second
B
Hour
C
Minute
D
Day

Question 84Single Answer

The SI unit of force is:

A
Newton
B
Joule
C
Watt
D
Pascal

Question 85Single Answer

The SI unit of work is:

A
Watt
B
Joule
C
Newton
D
Ampere

Question 86Single Answer

The SI unit of power is:

A
Watt
B
Joule
C
Volt
D
Newton

Question 87Single Answer

The SI unit of pressure is:

A
Watt
B
Pascal
C
Joule
D
Ohm

Question 88Single Answer

The SI unit of electric current is:

A
Volt
B
Watt
C
Ohm
D
Ampere

Question 89Single Answer

The SI unit of electric potential difference is:

A
Ampere
B
Coulomb
C
Volt
D
Watt

Question 90Single Answer

One kilometre is equal to:

A
10 m
B
100 m
C
10,000 m
D
1000 m

Question 91Single Answer

One metre is equal to:

A
10 cm
B
1000 cm
C
100 cm
D
10,000 cm

Question 92Single Answer

One centimetre is equal to:

A
1 mm
B
10 mm
C
100 mm
D
1000 mm

Question 93Single Answer

The prefix "kilo" represents:

A
10
B
100
C
1000
D
10,000

Question 94Single Answer

The prefix "milli" represents:

A
10⁻³
B
10⁻²
C
10⁻¹
D
10⁻⁶

Question 95Single Answer

The prefix "micro" represents:

A
10⁻⁶
B
10⁻³
C
10⁻⁹
D
10⁻¹²

Question 96Single Answer

Which instrument is commonly used to measure the outside diameter of a shaft accurately?

A
Steel rule
B
Outside micrometer
C
Protractor
D
Try square

Question 97Single Answer

A vernier caliper can measure:

A
External, internal and depth dimensions
B
Only internal dimensions
C
Only external dimensions
D
Only angular dimensions

Question 98Single Answer

Which instrument is commonly used for checking a right angle?

A
Try square
B
Divider
C
Compass
D
Vernier caliper

Question 99Single Answer

A feeler gauge is used for measuring:

A
Large distances
B
Small gaps or clearances
C
Temperature
D
Electrical resistance

Question 100Single Answer

Which instrument is used to measure the pitch of screw threads?

A
Feeler gauge
B
Wire gauge
C
Radius gauge
D
Screw pitch gauge

Mechanical Engineer

Question 101Single Answer

Management is primarily concerned with:

A
Increasing machine weight
B
Achieving organizational objectives efficiently
C
Reducing material density
D
Increasing friction

Question 102Single Answer

Which is a basic function of management?

A
Casting
B
Planning
C
Forging
D
Welding

Question 103Single Answer

Planning means:

A
Increasing manpower randomly
B
Inspecting only finished products
C
Repairing machines
D
Deciding in advance what is to be done

Question 104Single Answer

Organizing involves:

A
Cutting metals
B
Heating materials
C
Measuring temperature
D
Arranging resources and activities

Question 105Single Answer

Staffing is related to:

A
Recruitment and placement of employees
B
Lubrication
C
Material testing
D
Heat treatment

Question 106Single Answer

Directing includes:

A
Only accounting
B
Guiding and motivating employees
C
Only machine inspection
D
Only purchasing

Question 107Single Answer

Controlling involves:

A
Comparing actual performance with planned performance
B
Increasing wages only
C
Reducing productivity
D
Increasing scrap

Question 108Single Answer

Coordination helps to:

A
Harmonize different organizational activities
B
Increase conflict
C
Reduce communication
D
Stop production

Question 109Single Answer

The process of assigning authority to subordinates is called:

A
Inspection
B
Delegation
C
Motivation
D
Recruitment

Question 110Single Answer

Authority refers to the:

A
Right to give orders
B
Ability to measure dimensions
C
Skill of welding
D
Power of a machine

Question 111Single Answer

Responsibility means:

A
Right to avoid work
B
Obligation to perform assigned duties
C
Right to ignore safety
D
Right to dismiss everyone

Question 112Single Answer

Unity of command means an employee should receive orders from:

A
One superior
B
Many superiors
C
Customers only
D
Suppliers only

Question 113Single Answer

Span of control refers to:

A
Number of subordinates supervised by a manager
B
Machine width
C
Factory area
D
Working pressure

Question 114Single Answer

Motivation is used to:

A
Reduce productivity
B
Encourage employees to perform better
C
Increase absenteeism
D
Reduce quality

Question 115Single Answer

Leadership is the ability to:

A
Influence people toward objectives
B
Measure pressure
C
Reduce energy
D
Cast components

Question 116Single Answer

Communication is the process of:

A
Measuring force
B
Cutting metal
C
Producing heat
D
Exchanging information

Question 117Single Answer

Feedback in communication helps to:

A
Stop communication
B
Increase noise
C
Reduce productivity
D
Confirm whether the message was understood

Question 118Single Answer

Productivity is generally expressed as:

A
Cost multiplied by time
B
Input divided by output
C
Output divided by input
D
Power divided by speed

Question 119Single Answer

Work study consists mainly of:

A
Casting and forging
B
Method study and work measurement
C
Welding and soldering
D
Heating and cooling

Question 120Single Answer

Method study aims to:

A
Reduce safety
B
Increase unnecessary motions
C
Increase idle time
D
Improve the method of doing a job

Question 121Single Answer

Time study is used to determine:

A
Standard time for a job
B
Melting point
C
Material density
D
Machine weight

Question 122Single Answer

Standard time normally includes:

A
Inspection time only
B
Setup time only
C
Machining time only
D
Normal time plus allowances

Question 123Single Answer

Inventory means:

A
Labour rate
B
Machine speed
C
Stock of materials and goods
D
Energy consumption

Question 124Single Answer

EOQ stands for:

A
Effective Order Quality
B
Estimated Output Quality
C
Energy Operating Quotient
D
Economic Order Quantity

Question 125Single Answer

ABC analysis is used in:

A
Heat treatment
B
Inventory control
C
Welding inspection
D
Turbo machinery

Question 126Single Answer

In ABC inventory analysis, A-items are generally:

A
High-value items requiring tight control
B
Low-value items requiring no control
C
Waste materials
D
Finished products only

Question 127Single Answer

JIT stands for:

A
Job Inspection Technique
B
Just In Time
C
Joint Industrial Testing
D
Justified Input Time

Question 128Single Answer

JIT aims mainly to reduce:

A
Communication
B
Productivity
C
Quality
D
Inventory and waste

Question 129Single Answer

Quality control is concerned with:

A
Increasing defects
B
Maintaining required product quality
C
Reducing standards
D
Increasing scrap

Question 130Single Answer

Quality assurance focuses on:

A
Ignoring customer requirements
B
Repairing every defect after production
C
Preventing defects through planned systems
D
Increasing inspection only

Question 131Single Answer

TQM stands for:

A
Technical Quantity Measurement
B
Total Quality Management
C
Total Quantity Maintenance
D
Time Quality Method

Question 132Single Answer

Kaizen refers to:

A
Continuous improvement
B
Mass production only
C
Machine breakdown
D
Inventory accumulation

Question 133Single Answer

5S is associated with:

A
Metal casting
B
Engine design
C
Workplace organization
D
Refrigeration

Question 134Single Answer

Preventive maintenance is performed:

A
Before breakdown occurs
B
Only after failure
C
Only during emergencies
D
Never on operating equipment

Question 135Single Answer

Breakdown maintenance is carried out:

A
Only during production planning
B
Before installation
C
Before every shift
D
After equipment failure

Question 136Single Answer

Predictive maintenance uses:

A
Random replacement
B
Condition monitoring
C
No inspection
D
Only visual painting

Question 137Single Answer

PERT stands for:

A
Program Evaluation and Review Technique
B
Production Energy Review Tool
C
Planning Equipment Repair Test
D
Process Evaluation Rate Technique

Question 138Single Answer

CPM stands for:

A
Critical Process Management
B
Control Production Machine
C
Cost Planning Method
D
Critical Path Method

Question 139Single Answer

The critical path in a project network is the:

A
Lowest-cost path always
B
Shortest-duration path
C
Longest-duration path
D
Safest path only

Question 140Single Answer

Activities on the critical path generally have:

A
Zero total float
B
Maximum float
C
Infinite float
D
Negative duration

Question 141Single Answer

Turbomachinery involves energy transfer between:

A
Two stationary plates
B
Fluid and rotating rotor
C
Two electrical wires
D
Solid blocks only

Question 142Single Answer

Which is a turbomachine?

A
Lathe bed
B
Bench vice
C
Centrifugal pump
D
Hand file

Question 143Single Answer

A turbine converts fluid energy into:

A
Mechanical energy
B
Chemical energy
C
Nuclear energy
D
Magnetic energy

Question 144Single Answer

A pump converts mechanical energy into:

A
Chemical energy
B
Nuclear energy
C
Fluid energy
D
Sound only

Question 145Single Answer

A compressor is used mainly to increase gas:

A
Temperature to absolute zero
B
Density to zero
C
Pressure
D
Volume always

Question 146Single Answer

A centrifugal pump is a:

A
Rotodynamic pump
B
Positive displacement pump only
C
Reciprocating engine
D
Heat exchanger

Question 147Single Answer

The rotating component of a centrifugal pump is called:

A
Casing
B
Impeller
C
Volute
D
Foot valve

Question 148Single Answer

The main function of a pump casing is to:

A
Measure pressure
B
Produce electricity
C
Cool the motor only
D
Collect and guide fluid leaving the impeller

Question 149Single Answer

Priming of a centrifugal pump means:

A
Draining all liquid
B
Filling suction line and casing with liquid
C
Increasing pump speed
D
Closing discharge permanently

Question 150Single Answer

Priming is necessary because a centrifugal pump:

A
Has no casing
B
Cannot pump water
C
Has no impeller
D
Cannot normally pump air effectively

Question 151Single Answer

Cavitation in a pump occurs when local pressure falls below:

A
Critical pressure of metal
B
Atmospheric pressure always
C
Discharge pressure always
D
Vapour pressure of liquid

Question 152Single Answer

Cavitation may cause:

A
Better performance
B
Increased efficiency always
C
Zero vibration
D
Noise and erosion

Question 153Single Answer

NPSH is associated with prevention of:

A
Overheating only
B
Corrosion only
C
Leakage only
D
Cavitation

Question 154Single Answer

In a centrifugal pump, liquid enters the impeller near the:

A
Eye
B
Outer tip only
C
Shaft end outside casing
D
Delivery pipe

Question 155Single Answer

In a centrifugal pump, fluid generally moves through the impeller:

A
Without direction change
B
Radially inward only
C
Axially backward only
D
Radially outward

Question 156Single Answer

A reciprocating pump is a:

A
Compressor only
B
Rotodynamic pump only
C
Turbine
D
Positive displacement pump

Question 157Single Answer

Reciprocating pumps are generally suitable for:

A
High head and low discharge
B
Very low head and very high discharge only
C
Gas compression only
D
Steam generation

Question 158Single Answer

A Pelton wheel is a:

A
Pump
B
Reaction turbine
C
Impulse turbine
D
Compressor

Question 159Single Answer

A Francis turbine is a:

A
Impulse turbine
B
Reaction turbine
C
Positive displacement pump
D
Compressor

Question 160Single Answer

A Kaplan turbine is a:

A
Axial-flow reaction turbine
B
Radial-flow impulse turbine
C
Reciprocating pump
D
Centrifugal compressor

Question 161Single Answer

Pelton turbines are best suited for:

A
Low head and high flow
B
High head and low flow
C
Medium head only
D
Zero head

Question 162Single Answer

Kaplan turbines are best suited for:

A
Low head and high flow
B
High head and low flow
C
Very high pressure gas
D
Steam only

Question 163Single Answer

Francis turbines are commonly used for:

A
Only extremely low heads
B
Only extremely high heads
C
Medium heads
D
Gas compression

Question 164Single Answer

A draft tube is used mainly in:

A
Pelton turbine nozzle only
B
Reaction turbines
C
Reciprocating pumps only
D
Air compressors only

Question 165Single Answer

The function of a draft tube is to:

A
Supply lubricating oil
B
Increase fuel flow
C
Reduce shaft speed to zero
D
Recover kinetic energy and discharge water

Question 166Single Answer

The nozzle in a Pelton turbine converts pressure energy into:

A
Heat only
B
Chemical energy
C
Electrical energy
D
Kinetic energy

Question 167Single Answer

Pelton buckets are split by a:

A
Guide vane only
B
Diffuser
C
Splitter
D
Draft tube

Question 168Single Answer

Guide vanes in a Francis turbine control:

A
Flow entering the runner
B
Lubrication only
C
Bearing temperature only
D
Generator voltage only

Question 169Single Answer

Runner is the rotating part of a:

A
Turbine
B
Heat exchanger
C
Boiler only
D
Condenser

Question 170Single Answer

Hydraulic turbine efficiency relates output mechanical power to:

A
Hydraulic power input
B
Electrical power only
C
Chemical power
D
Nuclear power

Question 171Single Answer

Specific speed of a turbine is mainly used for:

A
Measuring head only
B
Measuring actual RPM only
C
Turbine selection and comparison
D
Measuring torque only

Question 172Single Answer

A centrifugal compressor increases gas pressure mainly by:

A
Combustion
B
Dynamic action of a rotating impeller
C
Cooling alone
D
Gravity only

Question 173Single Answer

An axial-flow compressor moves air mainly:

A
Perpendicular to shaft only
B
Radially outward only
C
Parallel to the shaft
D
In random directions

Question 174Single Answer

Axial compressors are widely used in:

A
Gas turbines
B
Hand pumps
C
Hydraulic jacks
D
Refrigerators only

Question 175Single Answer

A gas turbine consists mainly of compressor, combustion chamber and:

A
Condenser
B
Boiler
C
Turbine
D
Flywheel only

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