Question for MPESB ITI Training Officer (Welder) 2026 - Quiz / Questions / MCQ

Objective Questions

Latest MPESB ITI Training Officer Welder Exam Question (Objective Questions), MCQ in English

Subjects : Professional Knowledge, Science & Maths, General Knowledge, Logical Reasoning, Basic Computer Knowledge

Question Bank MPESB ITI Training Officer (Welder) Exam - English

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Professional Knowledge

Question 1Single Answer

What is the primary safety precaution when handling oxygen and acetylene cylinders?

A
Store them horizontally
B
Store them near heat sources
C
Paint them the same color
D
Keep them upright and secured

Question 2Single Answer

Which color is used for acetylene cylinders in standard coding?

A
Green
B
Blue
C
White
D
Red/Maroon

Question 3Single Answer

What is the standard shoulder color for oxygen cylinders?

A
Red
B
White
C
Black
D
Green

Question 4Single Answer

Why are flashback arrestors mandatory in oxy-acetylene welding?

A
To increase flame temperature
B
To reduce gas pressure
C
To change flame color
D
To prevent flame from traveling back into hoses/cylinders

Question 5Single Answer

Where should flashback arrestors be fitted in the OAW setup?

A
Only on the torch
B
Between regulator and hose, and/or at torch inlet
C
Only on cylinders
D
On the welding table

Question 6Single Answer

What type of PPE is essential for the eyes during oxy-acetylene welding?

A
Welding helmet with shade 4-6 lens
B
Clear goggles
C
Sunglasses
D
No eye protection needed

Question 7Single Answer

Before connecting regulators, what should be done to cylinder valve outlets?

A
Lubricate with oil
B
Leave as is
C
Heat them
D
Clean to remove impurities

Question 8Single Answer

What is the maximum safe pressure for acetylene gas?

A
15 psi (1 bar)
B
30 psi
C
50 psi
D
No limit

Question 9Single Answer

In OAW setup, which hose color is typically used for acetylene?

A
Blue
B
Black
C
Green
D
Red

Question 10Single Answer

Which hose color is standard for oxygen in oxy-acetylene welding?

A
Blue
B
Red
C
Yellow
D
Green

Question 11Single Answer

How should cylinder valves be opened for acetylene?

A
Fully open
B
Slowly full open
C
Half turn only
D
No more than 1 turn or 3/4 turn

Question 12Single Answer

What is the first step after attaching regulators to cylinders?

A
Open cylinder valves slowly
B
Light the torch
C
Adjust flame
D
Connect hoses

Question 13Single Answer

What method is commonly used to check for gas leaks in OAW setup?

A
Match test
B
Soap solution or leak detection spray
C
Open flame
D
Listening only

Question 14Single Answer

During leak testing, bubbles appearing at connections indicate?

A
Normal operation
B
Over-tightening
C
Correct pressure
D
Gas leak

Question 15Single Answer

What pressure is typically set for acetylene regulator working pressure in sheet welding?

A
5-10 psi
B
0.5-1 psi
C
20-30 psi
D
50 psi

Question 16Single Answer

For welding mild steel sheets, oxygen regulator pressure is usually set to?

A
Equal or slightly higher than acetylene (0.5-5 psi range)
B
Much higher (20 psi)
C
Zero
D
50 psi

Question 17Single Answer

What is the correct sequence to shut down an oxy-acetylene torch?

A
Close oxygen first, then acetylene
B
Turn off cylinders first
C
Close both at once
D
Close acetylene first, then oxygen

Question 18Single Answer

In which welding position is the workpiece placed flat and the weld made from above?

A
3F
B
2F
C
1F
D
3G

Question 19Single Answer

What does 1G position refer to in OAW?

A
Overhead groove
B
Horizontal fillet
C
Vertical fillet
D
Flat groove/butt weld

Question 20Single Answer

In 2F position, the weld is performed?

A
On a vertical surface horizontally
B
Flat fillet
C
Vertical up
D
Overhead

Question 21Single Answer

Which position is considered the easiest for beginners in OAW on MS sheet?

A
3G
B
2G
C
1F/1G
D
3F

Question 22Single Answer

3F position involves welding in?

A
Horizontal groove
B
Vertical fillet
C
Flat position
D
Overhead fillet

Question 23Single Answer

What type of joint is typically welded in 1G position?

A
Butt/groove
B
Lap
C
T-joint fillet
D
Corner

Question 24Single Answer

In OAW, which flame has equal oxygen and acetylene?

A
Neutral
B
Oxidizing
C
Carburizing
D
Reducing

Question 25Single Answer

Neutral flame is used primarily for?

A
Brazing aluminum
B
Cutting only
C
Welding mild steel sheets
D
Hardfacing

Question 26Single Answer

Which flame has excess acetylene and a feather appearance?

A
Carburizing
B
Neutral
C
Oxidizing
D
Balanced

Question 27Single Answer

Carburizing flame is suitable for?

A
Copper welding
B
High carbon steel or hard surfacing
C
Zinc alloys
D
Mild steel

Question 28Single Answer

Oxidizing flame has?

A
Equal gases
B
Feather
C
Excess oxygen and hissing sound
D
No inner cone

Question 29Single Answer

Oxidizing flame is used for welding?

A
Cast iron
B
Mild steel
C
Brass, bronze, or zinc
D
Aluminum

Question 30Single Answer

In neutral flame, the inner cone is?

A
Sharp and defined
B
Feathery
C
Short and pointed
D
Absent

Question 31Single Answer

What is the recommended flame for joining MS sheets in OAW?

A
Oxidizing
B
Carburizing
C
Neutral
D
Any

Question 32Single Answer

Excess acetylene in flame can cause?

A
Oxidation
B
Carbon pickup and brittleness in steel
C
Faster melting
D
No effect

Question 33Single Answer

In 3G position for groove weld, welding is done?

A
Horizontally
B
Vertically upwards
C
Flat
D
Overhead

Question 34Single Answer

Which position requires more skill due to gravity affecting weld pool?

A
3F
B
1F
C
1G
D
2G

Question 35Single Answer

For fillet welds in overhead position, it would be coded as?

A
4F
B
3F
C
2F
D
1F

Question 36Single Answer

In OAW setup, hoses should be?

A
Twisted
B
Long for mobility
C
Kept short and free from damage
D
Oiled

Question 37Single Answer

Before lighting the torch, what should be done?

A
Purge hoses
B
Open torch valves fully
C
Light acetylene first
D
Ignore purging

Question 38Single Answer

The correct way to light the torch is?

A
Use match directly on tip
B
Open oxygen first
C
Open acetylene valve slightly, ignite, then add oxygen
D
Light with full pressure

Question 39Single Answer

What should never be used on oxygen fittings?

A
Teflon tape
B
Soap
C
Oil or grease
D
Wrench

Question 40Single Answer

In MS sheet joining, edge preparation for butt joint usually involves?

A
Square butt or slight bevel
B
No preparation
C
V-groove always
D
Only lap

Question 41Single Answer

Flashback is most likely caused by?

A
Upright cylinders
B
High pressure
C
Neutral flame
D
Incorrect flame adjustment or blocked tip

Question 42Single Answer

Acetylene cylinders contain?

A
Liquid acetylene
B
Pure gas only
C
Porous material soaked in acetone
D
No solvent

Question 43Single Answer

Regulator gauges show?

A
Cylinder pressure and working pressure
B
Only cylinder
C
Flame temperature
D
Hose length

Question 44Single Answer

For thin MS sheets, tip size should be?

A
Cutting tip
B
Large
C
Any
D
Small (size 0-2)

Question 45Single Answer

In 2G position, the groove weld is?

A
Vertical
B
Horizontal on vertical plate
C
Flat
D
Overhead

Question 46Single Answer

Which flame produces a hissing sound?

A
Oxidizing
B
Neutral
C
Carburizing
D
All

Question 47Single Answer

Carburizing flame has?

A
Three zones (inner cone, feather, outer envelope)
B
Two zones
C
One zone
D
No feather

Question 48Single Answer

Neutral flame has?

A
Three zones
B
Two distinct zones
C
Hissing
D
Feather

Question 49Single Answer

In OAW, backfire is?

A
Cylinder explosion
B
Flashback into hose
C
Popping sound at tip
D
Flame extinction

Question 50Single Answer

To prevent cylinder from falling, use?

A
Chain or strap
B
Lay flat
C
No support
D
Wooden block only

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Professional Knowledge

Question 51Single Answer

Oxygen should never be used for?

A
Welding
B
Cleaning clothes or blowing dust
C
Cutting
D
Heating

Question 52Single Answer

In setup, open acetylene cylinder valve?

A
Slowly full
B
Fully
C
1/4 turn
D
1/2 to 3/4 turn

Question 53Single Answer

The purpose of pressure regulators is to?

A
Mix gases
B
Increase pressure
C
Reduce high cylinder pressure to working pressure
D
Cool gases

Question 54Single Answer

For MS sheet butt joint in 1G, travel direction is usually?

A
Left to right or right to left
B
Vertical
C
Overhead
D
Circular

Question 55Single Answer

In vertical position (3G), technique often used is?

A
Vertical down
B
Vertical up
C
Both possible
D
Horizontal only

Question 56Single Answer

Which flame can cause porosity in weld due to excess oxygen?

A
Neutral
B
Oxidizing
C
Carburizing
D
None

Question 57Single Answer

In OAW, filler rod is held at?

A
No angle
B
90 degree
C
Parallel to plate
D
30-45 degree angle

Question 58Single Answer

Torch angle for forehand welding is?

A
Backward
B
90 degree
C
30-45 degree towards direction of travel
D
No tilt

Question 59Single Answer

For safety, oxygen cylinders should be stored?

A
Together
B
Separate from fuel gases
C
Near oil
D
In sun

Question 60Single Answer

What indicates a neutral flame visually?

A
Sharp inner cone without feather
B
Long feather
C
Short pointed cone
D
Hissing cone

Question 61Single Answer

In 3F fillet weld, weld pool control is difficult due to?

A
Gravity pulling molten metal down
B
Flat surface
C
Horizontal flow
D
No gravity

Question 62Single Answer

Leak test should be performed?

A
Before opening cylinders
B
After pressurizing system
C
Only on torch
D
Never

Question 63Single Answer

Acetylene pressure should not exceed?

A
5 psi
B
15 psi for safety
C
1 psi
D
30 psi

Question 64Single Answer

In OAW for MS, filler rod material is usually?

A
Aluminum
B
Cast iron
C
Bronze
D
Mild steel rod

Question 65Single Answer

Oxidizing flame can cause?

A
Oxidation and weak weld
B
Carbon addition
C
Neutral effect
D
Hardness increase

Question 66Single Answer

In setup, hoses must be?

A
Long
B
Oiled for flexibility
C
Painted
D
Free from oil and grease

Question 67Single Answer

The purpose of equal pressure mixer in torch is for?

A
Heating
B
Low pressure gases
C
Cutting
D
Neutral flame

Question 68Single Answer

For overhead welding (though beyond 3F), extra care is needed for?

A
Less gravity
B
Molten metal falling
C
Easy pool control
D
No filler

Question 69Single Answer

In 2F position, weld is deposited?

A
Overhead
B
Flat
C
Vertical
D
Against vertical surface on horizontal plate

Question 70Single Answer

Carburizing flame is also called?

A
Reducing flame
B
Oxidizing
C
Neutral
D
Balanced

Question 71Single Answer

Which flame is hottest?

A
Carburizing
B
Neutral
C
Oxidizing
D
All same

Question 72Single Answer

In OAW setup, after lighting, adjust to neutral by?

A
Both A and B
B
Reducing acetylene
C
Adding oxygen slowly
D
No adjustment

Question 73Single Answer

Safety rule: Never use?

A
Acetylene upright
B
Oxygen as compressed air
C
Regulators
D
PPE

Question 74Single Answer

In MS sheet joining, common joint for practice is?

A
Only butt
B
Corner, lap, tee, butt
C
Pipe only
D
No joint

Question 75Single Answer

Flashback arrestors must comply with?

A
Size only
B
No standard
C
Color only
D
Relevant standards (e.g., IS or EN)

Science & Maths

Question 76Single 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 77Single Answer

Which of the following numbers is irrational ?

A
√49
B
0.125
C
√2
D
22/7

Question 78Single 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 79Single 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 80Single 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 81Single Answer

Temperature can be expressed as derived quantity in terms of

A
length and mass
B
mass and time
C
length, mass and time
D
None of these

Question 82Single Answer

Electron volt is a unit of

A
potential difference
B
charge
C
energy
D
capacity

Question 83Single Answer

Which of the following is not a synthetic fibre:

A
Anygora
B
Rayon
C
Nylon
D
Polyster

Question 84Single Answer

Which one of the following is not contained in Portland cement ?

A
Ca₃Al₂O₆
B
Ca₃SiO₅
C
Ca₂SiO₄
D
Ca₃(PO₄)₂

Question 85Single Answer

Which of the following contain enzymes for cellular respiration ?

A
Dictyosomes
B
Endoplasmic reticulum
C
lysosomes
D
Mitochondria

General Knowledge

Question 86Single Answer

Which ancient city in Madhya Pradesh was a significant cultural and political center during the Maurya and Gupta periods?

A
Indore
B
Bhopal
C
Ujjain
D
Gwalior

Question 87Single Answer

The Parmar dynasty was primarily associated with which region of Madhya Pradesh?

A
Bundelkhand
B
Malwa
C
Baghelkhand
D
Mahakoshal

Question 88Single Answer

What major infrastructure decision was approved by the MP Cabinet on June 10, 2025?

A
Construction of new airports
B
Connecting 20,600 remote settlements to main roads
C
Expansion of metro lines
D
Development of new dams

Question 89Single Answer

What is the estimated cost for connecting 20,600 remote settlements in MP?

A
Rs.21,630 crore
B
Rs.15,000 crore
C
Rs.25,000 crore
D
Rs.30,000 crore

Question 90Single Answer

Which country adopted the euro as its official currency on January 1, 2026, becoming the 21st member of the eurozone?

A
Romania
B
Bulgaria
C
Croatia
D
Sweden

Logical Reasoning

Question 91Single 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 92Single 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 93Single 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 94Single 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 95Single 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

Basic Computer Knowledge

Question 96Single Answer

Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?

A
Window
B
Pop-up menu
C
Message box
D
Taskbar

Question 97Single Answer

What is active desktop ?

A
a term that is synonymous with viewing your desktop as web page
B
a feature to customize your desktop to display informating you can update from the internet
C
both a and b above mentioned
D
A software
E
None of these

Question 98Single Answer

What is meant by an active window?

A
A window that is minimized
B
The window currently receiving user input
C
Any window currently open
D
The window opened first

Question 99Single Answer

What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?

A
An online service providing Internet access and proprietary online content
B
A computer operating system
C
A spreadsheet application
D
A database management system

Question 100Single Answer

An application is

A
word processing, accounting and engineering programs are example of application programs
B
computer program designed to enable users to perform specific job functions
C
Both a and b above mentioned
D
a document
E
None of these

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Latest MPESB ITI Training Officer Welder Exam Question (Objective Questions), MCQ in English

Professional Knowledge

MPESB ITI Training Officer Welder Exam Online Question Bank Package

Professional Knowledge

Science & Maths

General Knowledge

Logical Reasoning

Basic Computer Knowledge

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