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Workshop Technology MCQ Questions & Answers

Workshop Technology MCQs : This section focuses on the "Workshop Technology". These Multiple Choice Questions (MCQs) should be practiced to improve the Workshop Technology skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

The centrifugal casting method, is used for casting articles of

A. symmetrical shape about vertical axis
B. symmetrical shape about horizontal axis
C. irregular shape
D. non-ferrous metal only

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Question 2

The tolerance produced by shell moulding process of casting is

A. +0.05 mm
B. ±0.2 mm
C. +0.5 mm
D. ±1 mm

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Question 3

The algebraic difference between the minimum limit and the basic size is called

A. actual deviation
B. upper deviation
C. lower deviation
D. fundamental deviation

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Question 4

The cold chisels are made by

A. drawing
B. rolling
C. piercing
D. forging

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Question 5

The property of sand due to which it evolves a great amount of steam and other gases is called

A. collapsibility
B. permeability
C. cohesiveness
D. adhesiveness

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Question 6

Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?

A. Drawing
B. Extrusion
C. Rolling
D. Extrusion and rolling

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Question 7

In a hot chamber die casting machine

A. melting pot is separate from the machine
B. melting pot is an integral part of the machine
C. melting pot may have any location
D. high temperature and pressure is used

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Question 8

The bloom is smaller than a billet.


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Question 9

Metal patterns are used for

A. small castings
B. large castings
C. complicated castings
D. large scale production of castings

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Question 10

The purpose of a riser is to

A. deliver molten metal into the mould cavity
B. act as a reservoir for the molten metal
C. feed the molten metal to the casting in order to compensate for the shrinkage
D. deliver the molten metal from pouring basin to gate

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Question 11

The accuracy of micrometers, calipers, dial indicators can be checked by a

A. feeler gauge
B. slip gauge
C. ring gauge
D. plug gauge

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Question 12

In a bilateral system of tolerance, the tolerance is allowed on

A. one side of the actual size
B. one side of the nominal size
C. both sides of the actual size
D. both sides of the nominal size

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Question 13

When a hole or cavity to be cored is not in line with the parting surface, then a __________ is used.

A. horizontal core
B. vertical core
C. drop core
D. balanced core

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Question 14

In shielded arc welding

A. large electrode is used
B. welding rod coated with slag is used
C. welding rod coated with fluxing material is used
D. none of the above

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Question 15

The cross-section of a chisel is usually

A. rectangular
B. square
C. hexagonal
D. octagonal

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Question 16

A taper provided on the pattern for its easy and clean withdrawl from the mould is known as

A. machining allowance
B. draft allowance
C. shrinkage allowance
D. distortion allowance

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Question 17

Thread rolling is restricted to

A. ferrous materials
B. ductile materials
C. hard materials
D. none of these

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Question 18

The fullers are used

A. for finishing flat surfaces
B. for necking down a piece of work
C. for punching a hole
D. to finish the punched hole

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Question 19

The draft or taper allowance on casting is generally

A. 1 to 2 mm/m
B. 2 to 5 mm/m
C. 5 to 10 mm/m
D. 10 to 15 mm/m

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Question 20

Surface plate is used to check the trueness of flat surfaces.


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Question 21

When a pattern is made in three parts, the bottom part is known as a cope.


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Question 22

Blanking and piercing operations can be performed simultaneously in a

A. simple die
B. progressive die
C. compound die
D. combination die

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Question 23

The chisel used for cutting key ways is

A. flat chisel
B. cape chisel
C. round nose chisel
D. diamond pointed chisel

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Question 24

Galvanising is a

A. zinc diffusion process
B. process of coating zinc by hot dipping
C. process used for making thin phosphate coating on steel
D. none of the above

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Question 25

In a four high rolling mill, there are four rolls out of which

A. one is working roll and three are backing up rolls
B. two are working rolls and two are backing up rolls
C. three are working rolls and one is backing up roll
D. all of the four are working rolls

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Question 26

A plug gauge is used to check the diameter of shafts and studs.

A. Correct
B. Incorrect

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Question 27

The type of file used for a wood work is

A. single-cut file
B. double cut file
C. rasp-cut file
D. any one of these

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Question 28

In a die casting method, the molten metal is forced into mould under high pressure.

A. Correct
B. Incorrect

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Question 29

In sheet metal blanking, shear is provided on punches and dies so that

A. press load is reduced
B. good cut edge is obtained
C. warping of sheet is minimised
D. cut blanks are straight

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Question 30

In welding copper alloys with TIG arc welding

A. direct current with straight polarity is used
B. direct current with reversed polarity is used
C. alternating current is used
D. any one of these

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Question 31

The temperature of oxy-hydrogen flame is __________ oxy-acetylene flame.

A. same as
B. less than
C. more than

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Question 32

The temperature at which the new grains are formed in the metal is called

A. lower critical temperature
B. upper critical temperature
C. eutectic temperature
D. recrystallisation temperature

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Question 33

The blank diameter used in thread rolling will be

A. equal to minor diameter of the thread
B. equal to pitch diameter of the thread
C. a little larger than the minor diameter of the thread
D. a little larger than the pitch diameter of the thread

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Question 34

Which of the following welding process uses non-consumable electrodes?

A. TIG welding
B. MIG welding
C. Manual arc welding
D. Submerged arc welding

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Question 35

In a hot chamber die casting machine

A. ferrous alloys with low melting temperature are casted
B. ferrous alloys with high melting temperature are casted
C. non-ferrous alloys with low melting temperature are casted
D. non-ferrous alloys with high melting temperature are casted

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Question 36

In a centrifugal casting method

A. core is made of sand
B. core is made of ferrous metal
C. core is made of non-ferrous metal
D. no core is used

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Question 37

In a centrifugal casting method, the impurities are collected in the centre of the casting.

A. Yes
B. No

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Question 38

The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.

A. Correct
B. Incorrect

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Question 39

The electrodes used in spot welding have a tip of

A. stainless steel
B. aluminium
C. copper
D. brass

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Question 40

A pattern maker's shrinkage rule considers

A. all pattern allowances
B. only shrinkage allowance
C. all materials to be cast
D. all materials of the pattern

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Question 41

In back-hand welding, the angle between the welding torch and the work is kept as

A. 30°-40°
B. 40°-50°
C. 50°-60°
D. 60°-70°

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Question 42

The machining allowance provided on patterns depends upon

A. type of casting metal
B. size and shape of casting
C. method of casting used
D. all of these

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Question 43

A zinc diffusion process is called

A. galvanising
B. anodising
C. parkerising
D. sherardizing

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Question 44

In arc welding, the electric arc is produced between the work and the electrode by

A. voltage
B. flow of current
C. contact resistance
D. all of these

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Question 45

In average work, the tolerance produced by investment casting method is

A. ±0.05 mm
B. +0.2 mm
C. +05 mm
D. +1 mm

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Question 46

In submerged arc welding, an arc is produced between a

A. carbon electrode and the work
B. metal electrode and the work
C. bare metal electrode and the work
D. two tungsten electrodes and the work

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Question 47

In __________ welding, the weld may be made either from left to right or from right to left.

A. fore-hand
B. back-hand
C. vertical

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Question 48

The ferrous metals require more machining allowance than non-ferrous metals.


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Question 49

The instrument which has all the features of try-square, bevel protractor, rule and scriber, is

A. outside micrometer
B. inside micrometer
C. depth gauge micrometer
D. combination set

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Question 50

A saw which cuts wood during the return stroke of the saw is known as

A. push saw
B. pull saw or draw saw

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