Kurukshetra a journal on rural development is published by
A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission
Question 3Single Answer
Devaluation of a currency means
A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market
Question 4Single Answer
In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry
A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3
Question 5Single Answer
Which of the following programmes aims at the promotion of savings among rural women
A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna
Question 6Single Answer
What is Net National Product
A
the money value of final goods and services produced annually in the economy
B
the money value of annual service generation in the economy
C
the money value of tangible goods produced annually in the economy
D
The money value of tangible goods available in the economy
Question 7Single Answer
National income is the
A
net national product at market price
B
net national product at factor cost
C
net domestic product at market price
D
net domestic product at factor cost
Question 8Single Answer
Chelliah Committee of 1992 deals with the overhauling of our
A
financial system
B
tax system
C
patents and copyrights
D
Public sector undertakings
Question 9Single Answer
When was the Constituent Assembly of India formed?
A
1946
B
1947
C
1948
D
1950
Question 10Single Answer
Who was the Chairman of the Drafting Committee of the Indian Constitution?
A
Dr. Rajendra Prasad
B
Dr. B.R. Ambedkar
C
Jawaharlal Nehru
D
Sardar Vallabhbhai Patel
Question 11Single Answer
Who is known as the "Father of the Indian Renaissance" ?
A
Raja Ram Mohan Roy
B
Swami Vivekananda
C
Rabindranath Tagore
D
Mahatma Gandhi
Question 12Single Answer
Who is known as the "Missile Man of India"?
A
Dr. Homi J. Bhabha
B
Dr. Vikram Sarabhai
C
Dr. APJ Abdul Kalam
D
Dr. Satish Dhawan
Question 13Single Answer
Which organization is responsible for India's space exploration programs?
A
BARC
B
ISRO
C
DRDO
D
HAL
Question 14Single Answer
On what date did India celebrate the 9th anniversary of the Goods and Services Tax (GST) implementation?
A
July 1, 2026
B
June 30, 2026
C
July 2, 2026
D
June 29, 2026
Question 15Single Answer
Which global event is India participating in with Sweden as a partner?
A
Venus Orbiter Mission 'Shukrayaan'
B
Chandrayaan-4
C
Gaganyaan crewed mission
D
Mars Orbiter Mission-2
Physics & Chemistry
Question 16Single 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 17Single Answer
Electron volt is a unit of
A
potential difference
B
charge
C
energy
D
capacity
Question 18Single Answer
Dimensions of impulse are
A
[MLT –1]
B
[MLT²]
C
[MT–2]
D
[ML–1T–3]
Question 19Single Answer
Potential is measured in
A
joule/coulomb
B
watt/coulomb
C
newton–second
D
None of these
Question 20Single Answer
One Nanometer is equal to
A
10–9m
B
10–6m
C
10–10m
D
10–3m
Question 21Single Answer
Maxwell is the unit of
A
magnetic susceptibility
B
intensity of Magnetisation
C
magnetic Flux
D
magnetic Permeability
Question 22Single Answer
Which of the following is derived physical quantity ?
A
Mass
B
Velocity
C
Length
D
Time
Question 23Single Answer
What are the units of magnetic permeability ?
A
Wb A–1 m–1
B
Wb–1 Am
C
Wb A m–1
D
Wb A–1 m
Question 24Single Answer
Which of the following is not a synthetic fibre:
A
Anygora
B
Rayon
C
Nylon
D
Polyster
Question 25Single Answer
Which one of the following is not contained in Portland cement ?
A
Ca3Al2O6
B
Ca3SiO5
C
Ca2SiO4
D
Ca3(PO4)2
Question 26Single Answer
What is the reson for white cement to be white ?
A
It does not contain carbon
B
It does not contain silicon
C
It does not contain iron
D
It does not contain calcium
Question 27Single Answer
Which fertilizer is assimilated directly by the plant ?
A
Super phosphate
B
Nitrolim
C
Muriate of Potash
D
Humus
Question 28Single Answer
Which of the following chemicals is used in foam fire extinguishers ?
A
Aluminium sulphate
B
Copper sulphate
C
Cobalt sulphate
D
Nickel sulphate
Question 29Single Answer
What is a mixture of potassium nitrate, powdered charcoal and sulphur called ?
A
Glass
B
Cement
C
paint
D
Gun powder
Question 30Single Answer
Which one of the following chemicals is used in beauty parlours for hair – setting ?
A
Sulphur based
B
Phosphorus based
C
Silicon based
D
Iron based
Basics of Computer Application
Question 31Single 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 32Single 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 33Single 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 34Single 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 35Single 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
Question 36Single Answer
Which of the following programs enables you to calculate numbers related to rows and columns?
A
Window program
B
Spreadsheet program
C
Graphics program
D
Word program
E
None of these
Question 37Single Answer
The term Briefcase is used for
A
a special folder on the windows desktop used to keep documents up to date when shared between computers
B
a window that us currently open
C
A folder which keeps deleted, files for a while and can be retrieved from it
D
All of the above
E
None of these
Question 38Single Answer
In a graphical user interface, what is a button primarily used for?
A
Executing a command or initiating an action
B
Permanently storing data
C
Displaying the computer's IP address
D
Formatting a disk automatically
Question 39Single Answer
A channel (in windows terminology) is
A
a widely used online service that offers access to the internet
B
a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
C
an area on the computer memory where text or graphics can be temporarily stored
D
All of the above
E
None of these
Question 40Single Answer
What does a checked checkbox generally indicate in a graphical user interface?
A
The associated option is enabled or selected
B
The application has closed
C
The file has been deleted
D
The computer is offline
Basics of Environment and Pollution Control
Question 41Single Answer
Which of the following defines an ecosystem?
A
A group of similar organisms
B
The interaction between living organisms and their physical environment
C
A community of plants
D
A population of animals
Question 42Single Answer
What is biodiversity?
A
The number of individuals in a population
B
The variety of life in a particular habitat or ecosystem
C
The amount of rainfall in a region
D
The average temperature of an area
Question 43Single Answer
Which of the following is an abiotic factor?
A
Bacteria
B
Plants
C
Sunlight
D
Animals
Question 44Single Answer
Which of the following is a biotic factor?
A
Water
B
Soil
C
Fungi
D
Air
Question 45Single Answer
What is sustainable use of natural resources?
A
Using resources without considering future needs
B
Using resources in a way that meets current needs without compromising future availability
C
Exploiting resources for maximum profit
D
Ignoring resource depletion
Question 46Single Answer
Which of the following is an example of a natural resource?
A
Plastic
B
Steel
C
Coal
D
Synthetic fibers
Question 47Single Answer
What is the role of decomposers in an ecosystem?
A
To produce food
B
To consume living organisms
C
To break down dead organic matter
D
To provide shelter
Question 48Single Answer
Which level of the food chain do plants occupy?
A
Primary consumers
B
Secondary consumers
C
Producers
D
Decomposers
Question 49Single Answer
What is the significance of biodiversity?
A
It increases vulnerability to diseases
B
It provides ecosystem stability and resilience
C
It reduces the number of natural resources
D
It has no impact on the environment
Question 50Single Answer
What is the primary source of energy for most ecosystems?
A
Chemical energy
B
Geothermal energy
C
Solar energy
D
Nuclear energy
Important Questions Package
RRB Junior Engineer Mechanical Workshop Exam Online Question Bank Package
Buy RRB Junior Engineer Mechanical Workshop Important Questions, MCQ, question answer in Hindi & English. It will help you to score high marks in RRB Junior Engineer Mechanical Workshop question bank 2026 in Online, PDF & Print study material.
+ Free Monthly Current Affairs, GK & more PDF Download
Sr.
Package Name
Amount
1.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - Hindi
Description : 1000 Question with Answer.
₹101[₹500]
2.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - Hindi
Description : 2000 Question with Answer.
₹151[₹500]
3.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - English
Description : 1000 Question with Answer.
₹101[₹500]
4.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - English
Description : 2000 Question with Answer.
₹151[₹500]
5.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - Hindi
Description : 1000 Question with Answer.
₹101[₹500]
6.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - Hindi
Description : 2000 Question with Answer.
₹151[₹500]
7.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - English
Description : 1000 Question with Answer.
₹101[₹500]
8.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - English
Description : 2000 Question with Answer.
₹151[₹500]
9.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - Hindi
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
10.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
11.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - Hindi
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
12.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam - English
Description : 1000 Question & Answer Download in PDF (Send by Email)
₹151[₹450]
13.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam Question Bank Book - Hindi
Description : 1000 Question with Answer (Printed Material)
₹450[₹800]
14.
RRB Junior Engineer Mechanical (Workshop) CBT 1 Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390[₹600]
15.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam Question Bank Book - Hindi
Description : 1000 Question with Answer (Printed Material)
₹450[₹800]
16.
RRB Junior Engineer Mechanical (Workshop) CBT 2 Exam Question Bank Book - English
Description : 1000 Question with Answer (Printed Material)
₹390[₹600]
Workshop
Question 51Single Answer
The main function of a lathe machine is?
A
Shaping metal
B
Grinding
C
Drilling holes
D
Turning cylindrical surfaces
Question 52Single Answer
The component that holds and rotates the workpiece on a lathe is?
A
Tailstock
B
Headstock
C
Carriage
D
Tool post
Question 53Single Answer
The movement of the tool parallel to the lathe axis produces?
A
Facing
B
Parting
C
Turning
D
Knurling
Question 54Single Answer
The process of reducing the diameter of a workpiece in a lathe is known as?
A
Facing
B
Boring
C
Turning
D
Tapering
Question 55Single Answer
The part of a lathe used to support long workpieces is?
A
Steady rest
B
Chuck
C
Faceplate
D
Tailstock
Question 56Single Answer
The main motion in a lathe is?
A
Feed motion
B
Tool motion
C
Auxiliary motion
D
Cutting motion
Question 57Single Answer
The function of the carriage in a lathe is?
A
Support the work
B
Support and move the tool
C
Drive the spindle
D
Hold the centers
Question 58Single Answer
The feed in turning operation is expressed in?
A
mm/min
B
rpm
C
mm/rev
D
m/min
Question 59Single Answer
The process of producing a conical shape on a lathe is called?
A
Threading
B
Facing
C
Taper turning
D
Parting
Question 60Single Answer
The taper turning can be done by?
A
Tailstock set over method
B
Compound rest method
C
Taper turning attachment
D
All of the above
Question 61Single Answer
The feed rod in a lathe is used to transmit?
A
Power to the chuck
B
Power to carriage
C
Power to lead screw
D
Power to spindle
Question 62Single Answer
The function of a lead screw in a lathe is?
A
To drive the spindle
B
To hold the workpiece
C
To give automatic feed during threading
D
To rotate the tailstock
Question 63Single Answer
The lathe tool angle that avoids rubbing on the job surface is?
A
Side rake angle
B
Clearance angle
C
Cutting angle
D
Approach angle
Question 64Single Answer
Tool signature of a single-point cutting tool is expressed as?
A
0-6-7-8-5-10-30
B
8-6-5-7-10-30-0
C
0-5-6-8-7-10-30
D
8-7-6-10-5-30-0
Question 65Single Answer
The rake angle of a single-point cutting tool affects?
A
Surface finish
B
All of the above
C
Chip formation
D
Tool strength
Question 66Single Answer
The ideal material for lathe cutting tool for roughing operations is?
A
Ceramic
B
Carbide
C
Diamond
D
HSS
Question 67Single Answer
For high-speed cutting, the preferred tool material is?
A
HSS
B
Cast iron
C
Carbide
D
Carbon steel
Question 68Single Answer
The type of chip formed in ductile materials during high-speed cutting is?
A
Discontinuous chip
B
Continuous chip
C
Built-up edge chip
D
Serrated chip
Question 69Single Answer
The cutting fluid mainly serves to?
A
Increase cutting speed
B
Harden the tool
C
Remove burrs
D
Cool the tool and workpiece
Question 70Single Answer
Which of the following is not a function of cutting fluid?
A
Cooling
B
Lubrication
C
Rust prevention
D
Metal hardening
Question 71Single Answer
The cutting fluid used for aluminum machining is?
A
Soluble oil
B
Kerosene
C
Dry cutting
D
Sulphur-based oil
Question 72Single Answer
The part of a shaper that reciprocates is?
A
Table
B
Saddle
C
Ram
D
Base
Question 73Single Answer
In a shaper, the cutting takes place during?
A
Return stroke
B
Forward stroke
C
Both strokes
D
Idle stroke
Question 74Single Answer
The mechanism used in a shaper to convert rotary motion into reciprocating motion is?
A
Rack and pinion
B
Whitworth quick return
C
Worm and wheel
D
Geneva drive
Question 75Single Answer
The quick return ratio of a shaper is always?
A
Less than 1
B
Equal to 1
C
Infinite
D
Greater than 1
Question 76Single Answer
The feed in a shaper is given by?
A
Cross rail
B
Clapper box
C
Ram stroke
D
Feed screw
Question 77Single Answer
The main function of the clapper box in a shaper is?
A
Hold the tool
B
Control speed
C
Provide feed
D
Lift the tool during return stroke
Question 78Single Answer
The tool used in a slotter resembles a?
A
Milling cutter
B
Lathe tool
C
Drill
D
Broach
Question 79Single Answer
A slotter is primarily used for?
A
External turning
B
Grinding
C
Keyway cutting
D
Facing
Question 80Single Answer
The planer differs from a shaper in that?
A
Work moves in planer
B
Tool moves in shaper
C
None of the above
D
Both of the above
Question 81Single Answer
The main function of a milling machine is?
A
Grinding surfaces
B
Shaping round bars
C
Producing flat or contoured surfaces
D
Drilling holes
Question 82Single Answer
The cutting tool used in milling is called?
A
Bit
B
Cutter
C
Bur
D
Knife
Question 83Single Answer
In plain milling, the axis of the cutter is?
A
None of these
B
Perpendicular to the surface
C
Inclined to the surface
D
Parallel to the surface
Question 84Single Answer
In face milling, the axis of the cutter is?
A
Perpendicular to the work surface
B
Parallel to the work surface
C
Inclined to the work surface
D
Horizontal
Question 85Single Answer
Up milling is also known as?
A
Reverse milling
B
Climb milling
C
Down milling
D
Conventional milling
Question 86Single Answer
In down milling, the cutter rotates?
A
Against the feed direction
B
Randomly
C
Perpendicular to feed
D
With the feed direction
Question 87Single Answer
The milling cutter teeth are provided with?
A
Serrations
B
Chamfer
C
Rake and clearance angles
D
Bevels
Question 88Single Answer
The indexing head in milling is used for?
A
Dividing the periphery into equal parts
B
Facing
C
Holding the work
D
Adjusting feed
Question 89Single Answer
The operation of producing a flat surface on the workpiece in milling is called?
A
Facing
B
Planing
C
Slabbing
D
Slotting
Question 90Single Answer
The cutting speed in milling depends mainly on?
A
Feed
B
Depth of cut
C
Cutter diameter and material
D
Coolant
Question 91Single Answer
The process of enlarging a hole with a single-point tool is called?
A
Drilling
B
Boring
C
Reaming
D
Spot facing
Question 92Single Answer
The drill used to start a hole accurately is?
A
Twist drill
B
Flat drill
C
Centre drill
D
Core drill
Question 93Single Answer
The point angle of a standard twist drill is usually?
A
90°
B
118°
C
135°
D
150°
Question 94Single Answer
The operation of finishing a drilled hole to accurate size is called?
A
Boring
B
Counterboring
C
Spot facing
D
Reaming
Question 95Single Answer
The part of a twist drill that removes chips is called?
A
Margin
B
Web
C
Flute
D
Land
Question 96Single Answer
The lip clearance angle of a twist drill ranges between?
A
2°–4°
B
40°–60°
C
20°–30°
D
8°–12°
Question 97Single Answer
The body of a twist drill tapers towards the shank to?
A
Reduce weight
B
Improve cutting
C
Avoid friction
D
Strengthen the tool
Question 98Single Answer
The cutting speed in drilling is measured at?
A
Centre of the drill
B
Half radius
C
Outer periphery of the drill
D
Shank
Question 99Single Answer
The feed in drilling is expressed in?
A
mm/min
B
rpm
C
m/min
D
mm/rev
Question 100Single Answer
A reamer removes only?
A
Large stock
B
Small amount of material
C
Taper holes
D
Rough finish
Question 101Single Answer
The operation of finishing the rim of a hole for a bolt head is called?
A
Boring
B
Spot facing
C
Countersinking
D
Counterboring
Question 102Single Answer
The operation of bevelling a drilled hole for a screw head is called?
A
Reaming
B
Spot facing
C
Boring
D
Countersinking
Question 103Single Answer
The cutting tool used for internal cylindrical surfaces is?
A
Drill
B
Planer tool
C
Milling cutter
D
Boring bar
Question 104Single Answer
The process of finishing flat surfaces in a machine shop can be done by?
A
Shaper
B
Planer
C
All of the above
D
Milling machine
Question 105Single Answer
The shaper tool should have?
A
Positive rake
B
Negative rake
C
Zero rake
D
Neutral rake
Question 106Single Answer
The tool holder in a lathe is mounted on?
A
Saddle
B
Tailstock
C
Tool post
D
Bed
Question 107Single Answer
For thread cutting, the half nut lever engages with?
A
Spindle
B
Feed rod
C
Cross slide
D
Lead screw
Question 108Single Answer
The number of threads cut per inch depends on?
A
Feed
B
Tool angle
C
Spindle speed
D
Lead screw pitch
Question 109Single Answer
The process of producing threads on a lathe is called?
A
Thread cutting
B
Tapping
C
Knurling
D
Facing
Question 110Single Answer
The process used to roughen a cylindrical surface for grip is?
A
Facing
B
Knurling
C
Threading
D
Parting
Question 111Single Answer
The knurling tool has?
A
Single-point tip
B
Hardened steel rollers
C
Carbide insert
D
Diamond edges
Question 112Single Answer
The feed motion in turning is given by?
A
Cross slide
B
Tailstock
C
Carriage
D
Tool post
Question 113Single Answer
The power required for cutting depends mainly on?
A
Cutting speed, feed, depth of cut
B
Machine weight
C
Work holding device
D
Tool material only
Question 114Single Answer
The most suitable cutting fluid for cast iron is?
A
Soluble oil
B
Water
C
Dry cutting
D
Kerosene
Question 115Single Answer
The most suitable cutting fluid for high-speed steel tools is?
A
Dry cutting
B
Air blast
C
Water
D
Soluble oil
Question 116Single Answer
The tool life increases with?
A
Increase in cutting speed
B
Decrease in feed and speed
C
Increase in feed
D
None
Question 117Single Answer
Tool wear occurs most at?
A
Nose
B
Rake face
C
Flank
D
Shank
Question 118Single Answer
The built-up edge on a cutting tool is formed due to?
A
High coolant pressure
B
Low feed
C
Proper lubrication
D
High friction
Question 119Single Answer
The cutting tool most suitable for very hard materials is?
A
HSS
B
Carbide
C
Ceramic
D
Diamond
Question 120Single Answer
The most important property of a cutting tool material is?
A
Brittleness
B
Hardness
C
Ductility
D
Toughness
Question 121Single Answer
The property of a material to withstand shock loads is called?
A
Hardness
B
Malleability
C
Elasticity
D
Toughness
Question 122Single Answer
The ceramic tools are used because of their?
A
High ductility
B
High toughness
C
Low cost
D
High hardness and wear resistance
Question 123Single Answer
Cemented carbide tools are made by?
A
Casting
B
Powder metallurgy
C
Forging
D
Machining
Question 124Single Answer
The main ingredient of cemented carbide is?
A
Tungsten carbide
B
Chromium
C
Cobalt
D
Titanium
Question 125Single Answer
Diamond tools are mostly used for?
A
Steel
B
Wood
C
Cast iron
D
Non-ferrous metals
Question 126Single Answer
The life of a cutting tool mainly depends on?
A
All of these
B
Feed
C
Depth of cut
D
Cutting speed
Question 127Single Answer
Cutting speed is defined as?
A
Distance travelled by tool per revolution
B
Feed per minute
C
Speed of work at the cutting point
D
Depth of cut per pass
Question 128Single Answer
The tool wear mainly occurs on?
A
Flank face
B
Rake face
C
Nose only
D
Both rake and flank faces
Question 129Single Answer
The built-up edge formation can be reduced by?
A
Reducing lubrication
B
Decreasing cutting speed
C
Using blunt tool
D
Increasing rake angle
Question 130Single Answer
The type of chip formed while machining ductile materials at high speed is?
A
Built-up edge chip
B
Discontinuous chip
C
Segmented chip
D
Continuous chip
Question 131Single Answer
The main cause of vibration in machining is?
A
Proper clamping
B
Proper cutting conditions
C
Sharp tool
D
Poor rigidity of setup
Question 132Single Answer
The cutting temperature can be reduced by?
A
Increasing feed
B
Using dull tool
C
Using cutting fluid
D
Increasing speed
Question 133Single Answer
The primary function of coolant is?
A
Removing burrs
B
Cooling tool and work
C
Increasing feed
D
Decreasing chip thickness
Question 134Single Answer
Soluble oil is an emulsion of?
A
Oil and air
B
Oil and water
C
Water and grease
D
Air and soap
Question 135Single Answer
The cutting fluid used for high-speed machining of steel is?
A
Sulphur-based oil
B
Kerosene
C
Soluble oil
D
Water
Question 136Single Answer
The coolant is applied at which point in cutting?
A
Tool shank
B
Behind the tool
C
On the work surface
D
Between tool and chip
Question 137Single Answer
The friction between chip and tool can be minimized by?
A
Increasing feed
B
Proper lubrication
C
Using dry cutting
D
High depth of cut
Question 138Single Answer
Tool wear due to high temperature is called?
A
Flank wear
B
Notch wear
C
Crater wear
D
Edge wear
Question 139Single Answer
The cutting speed for finishing operations is generally?
A
Higher
B
Same
C
Lower
D
Variable
Question 140Single Answer
The depth of cut in turning is the?
A
Feed per revolution
B
Both b and c
C
Total diameter reduction
D
Difference between original and final radius
Question 141Single Answer
The feed rate for fine finishing should be?
A
High
B
Medium
C
Low
D
Constant
Question 142Single Answer
The tailstock in lathe is mainly used to?
A
Hold cutting tool
B
Support the workpiece
C
Rotate work
D
Drive the tool
Question 143Single Answer
The taper on lathe spindles and tailstock is?
A
Metric taper
B
Brown & Sharpe taper
C
Morse taper
D
Jarno taper
Question 144Single Answer
The process of removing material from inside of a drilled hole is?
A
Boring
B
Reaming
C
Spot facing
D
Drilling
Question 145Single Answer
The helix angle of twist drills is about?
A
10°–15°
B
15°–30°
C
45°–60°
D
30°–45°
Question 146Single Answer
The function of the web in a drill is to?
A
Form chip space
B
Form cutting edge
C
Guide drill
D
Provide strength
Question 147Single Answer
The operation of finishing the top surface of a drilled hole is?
A
Countersinking
B
Reaming
C
Counterboring
D
Spot facing
Question 148Single Answer
The most commonly used material for drills is?
A
HSS
B
Mild steel
C
Cast iron
D
Brass
Question 149Single Answer
The tool used for cutting internal threads is called?