50 + Mcqs in Manufacturing ,Industrial and Maintenance Engineering Page 1 McqOptions

1.	The sand in its natural or moist state is called as
A.	green sand
B.	loam sand
C.	dry sand
D.	none of the above
Answer» B. loam sand

Discussion

2.	What is the highest possible percentage of clay contents in loam sand?
A.	10
B.	20
C.	30
D.	50
Answer» E.

Discussion

3.	Which of the following sentences is/are correct for casting process?
A.	Casting process is comparatively costly
B.	Objects of larges sizes cannot be produced easily by casting process
C.	The time required for the process of making casting is quite long
D.	All of the above sentences are correct
Answer» D. All of the above sentences are correct

Discussion

4.	The productivity of casting process is comparatively
A.	lower than the productivity of other automatic processes like rolling
B.	higher than the productivity of other automatic processes like rolling
C.	similar to the productivity of other automatic processes like rolling
D.	unpredictable
Answer» B. higher than the productivity of other automatic processes like rolling

Discussion

5.	Which casting process has no size and shape limits?
A.	Sand casting
B.	Shell-mould casting
C.	Plaster-mould casting
D.	none of the above
Answer» B. Shell-mould casting

Discussion

6.	Blow holes in casting are caused by
A.	excessive moisture
B.	low permeability
C.	excessive fine grains
D.	all of the above
Answer» E.

Discussion

7.	Mechanical working processes are performed on metals
A.	to achieve optimum mechanical properties in the metal
B.	to improve the mechanical strength of the metal
C.	to make metal dense
D.	all of the above
Answer» E.

Discussion

8.	Hot working process is the plastic deformation of metal which is carried out
A.	at temperature below the recrystallisation temperature
B.	at temperature above the recrystallisation temperature
C.	at temperature equals to boiling point of water
D.	none of the above
Answer» B. at temperature above the recrystallisation temperature

Discussion

9.	Which of the following statements are correct for plastic? 1. Plastic is a non-metallic material that can be moulded to any shape 2. Plastic is a natural or synthetic resin 3. Plastic is of organic nature composed of hydrogen, oxygen, carbon and nitrogen
A.	only statements 1 and 2 correct, statement 3 is wrong
B.	only statements 1 and 3 correct, statement 2 is wrong
C.	only statements 2 and 3 correct, statement 1 is wrong
D.	all of above statements 1, 2 and 3 are correct
Answer» E.

Discussion

10.	The plastics which soften when heat is applied with or without pressure, but requires cooling to set them to shape are called as
A.	thermosofting materials
B.	thermosetting materials
C.	thermoplastic materials
D.	thermostatting materials
Answer» D. thermostatting materials

Discussion

11.	In resistance electric welding, the current passed through two joining metal pieces is
A.	230 to 440 volts, at a high amperage
B.	230 to 440 volts, at a low amperage
C.	2 to 8 volts, at a high amperage
D.	2 to 8 volts, at a low amperage
Answer» E.

Discussion

12.	As compared to the arc welding, the gas welding takes
A.	considerably less time for the metal to heat up
B.	considerably more time for the metal to heat up
C.	approximately same time for the metal to heat up as arc welding
D.	unpredictable
Answer» C. approximately same time for the metal to heat up as arc welding

Discussion

13.	Good surface finish and better dimensional accuracy can be achieved in
A.	cold working process
B.	hot working process
C.	both a. and b.
D.	none of the above
Answer» B. hot working process

Discussion

14.	Which of the following are the cold working processes? (1) Forging (2) Bending (3) Squeezing  (4) Pipe Welding (5) Drawing
A.	(1), (2) and (3)
B.	(2), (3) and (5)
C.	(2), (4) and (5)
D.	(1), (2), (3) and (5)
Answer» D. (1), (2), (3) and (5)

Discussion

15.	The process of joining two pieces of metal with a different fusible metal applied in a molten state is called as
A.	welding
B.	soldering
C.	both a. and b.
D.	none of the above
Answer» C. both a. and b.

Discussion

16.	Which of the following statements is/are true for welding process?
A.	General welding equipments are very costly
B.	Welding results in residual stresses and distortion of workpiece
C.	Two dissimilar metals cannot be joined by welding
D.	All of the above
Answer» C. Two dissimilar metals cannot be joined by welding

Discussion

17.	Thermosetting materials are
A.	the plastics which can be softened even after they have set and hardened
B.	the plastics which require heat and pressure to mould them into shape
C.	both a. and b.
D.	none of the above
Answer» C. both a. and b.

Discussion

18.	Which plastic materials contain strong cross linkings in their molecular structure?
A.	Thermoplastic materials
B.	Thermosetting materials
C.	Both a. and b.
D.	None of the above
Answer» C. Both a. and b.

Discussion

19.	Worm working or semi-hot working process, which is the plastic deformation of metal or alloy under conditions of temperature and strain rate, is performed to eliminate drawbacks of
A.	cold working process
B.	hot working process
C.	both cold and hot working processes
D.	none of the above
Answer» D. none of the above

Discussion

20.	The volume of metal that enters the rolling stand
A.	should increase after rolling process
B.	should decrease after rolling process
C.	should remain same after rolling process
D.	unpredictable
Answer» D. unpredictable

Discussion

21.	The metal joined is never brought to a molten stage in
A.	pressure welding
B.	fusion welding
C.	thermit welding
D.	none of the above
Answer» B. fusion welding

Discussion

22.	Which of the following is an example of fusion welding?
A.	Atomic hydrogen welding
B.	Flash welding
C.	Seam welding
D.	Spot welding
Answer» B. Flash welding

Discussion

23.	Which of the following is an example of thermoplastic material?
A.	Camera bodies
B.	Automobile parts
C.	Electric plugs
D.	Electric insulation
Answer» E.

Discussion

24.	Which of the following characteristics does not affect the properties of plastics?
A.	Their molecular structure
B.	Their degree of polymerization
C.	Both a. and b
D.	None of the above
Answer» E.

Discussion

25.	Calculate time taken to face a workpiece of 100 mm diameter. The cross feed is 0.2 mm/rev and spindle speed is 200 r.p.m.
A.	10 min
B.	5 min
C.	2.5 min
D.	1.25 min
Answer» E.

Discussion

26.	Which of the following is a soft solder?
A.	Copper-zinc alloy
B.	Nickel-silver alloy
C.	Lead-tin alloy
D.	All of the above
Answer» D. All of the above

Discussion

27.	What is used as joining medium in brazing operation?
A.	Copper-zinc alloy
B.	Nickel-silver alloy
C.	Lead-tin alloy
D.	All of the above
Answer» B. Nickel-silver alloy

Discussion

28.	Joint strength in brazing operation is
A.	as high as in gas or arc welding
B.	not as high as in gas or arc welding
C.	higher than that of in gas or arc welding
D.	unpredictable
Answer» C. higher than that of in gas or arc welding

Discussion

29.	Which characteristic of material is used in forging process?
A.	characteristics of elasticity of material
B.	characteristics of ductility of material
C.	characteristics of plasticity of material
D.	none of the above
Answer» D. none of the above

Discussion

30.	How does the ability of material to withstand unpredictable loads change after forging?
A.	The ability of material to withstand unpredictable loads increases after forging
B.	The ability of material to withstand unpredictable loads decreases after forging
C.	The ability of material to withstand unpredictable loads does not change after forging
D.	Unpredictable
Answer» B. The ability of material to withstand unpredictable loads decreases after forging

Discussion

31.	Specific gravity of the plastics is usually
A.	less than the specific gravity of metals
B.	more than the specific gravity of metals
C.	similar to the specific gravity of metals
D.	Unpredictable
Answer» B. more than the specific gravity of metals

Discussion

32.	The process of combining two or more distinct polymer molecules to form a new product with different characteristics is called as
A.	binding
B.	stabilizing
C.	filling
D.	blending
Answer» E.

Discussion

33.	Power consumption in D.C. arc welding is
A.	less than the power consumption in A.C. arc welding
B.	more than the power consumption in A.C. arc welding
C.	similar to the power consumption in A.C. arc welding
D.	very difficult to calculate
Answer» C. similar to the power consumption in A.C. arc welding

Discussion

34.	Which type of process the machining can be?
A.	Cold working
B.	Hot working
C.	Both a. and b.
D.	None of the above
Answer» B. Hot working

Discussion

35.	Which type of arc welding is suitable for joining non-ferrous metals?
A.	D.C. Arc welding
B.	A.C. Arc welding
C.	Both D.C. As well as A.C. Arc welding
D.	None of the above
Answer» B. A.C. Arc welding

Discussion

36.	Which of the following options best describes the centre lathes?
A.	Machining machines
B.	Shaping machines
C.	Turning machines
D.	None of the above
Answer» D. None of the above

Discussion

37.	Castings are usually
A.	costlier than forgings
B.	cheaper than forgings
C.	at the same rate as forging for similar metal
D.	none of the above
Answer» C. at the same rate as forging for similar metal

Discussion

38.	The materials such as lead and barium, which are added with polymers to minimize the effect of heat, sunlight and ozone are called as
A.	binders
B.	blenders
C.	stabilisers
D.	fillers
Answer» D. fillers

Discussion

39.	Why are the plasticisers added with polymers?
A.	To hold other constituents of plastic together
B.	To reduce the cost and enhance the strength and hardness of plastics
C.	To improve flexibility and to reduce the temperature and pressure required for moulding of plastics
D.	None of the above
Answer» D. None of the above

Discussion

40.	When the tool of centre lathe moves perpendicular to the axis of rotation,
A.	it produces a cylindrical surface
B.	it produces a flat surface
C.	it produces a tapered surface
D.	none of the above
Answer» C. it produces a tapered surface

Discussion

41.	The foundation of the centre lathe is called as
A.	carriage
B.	tray
C.	base
D.	bed
Answer» E.

Discussion

42.	What is the process, in which the metal is caused to flow through a restricted orifice to create an extremely elongated strip of uniform and comparatively smaller cross-sectional area, called?
A.	Rolling
B.	Extrusion
C.	Drawing
D.	Spinning
Answer» C. Drawing

Discussion

43.	In circular drawing process, when the depth of drawing is more than the diameter of the die, then the process is called as
A.	forced drawing
B.	hollow drawing
C.	deep drawing
D.	all of the above
Answer» D. all of the above

Discussion

44.	Chances of crack propagation are more in
A.	cold working process
B.	hot working process
C.	both a. and b.
D.	none of the above
Answer» B. hot working process

Discussion

45.	The centre lathes receive their power through
A.	headstock
B.	tailstock
C.	both a. and b.
D.	none of the above
Answer» B. tailstock

Discussion

46.	Which of the following is not a part of carriage of the centre lathe?
A.	Tool post
B.	Apron
C.	Compound rest
D.	Gear box controls
Answer» E.

Discussion

47.	What is swing over carriage?
A.	The maximum diameter of workpiece that can be rotated over the bed ways
B.	The minimum diameter of workpiece that can be rotated over the bed ways
C.	The maximum diameter of workpiece that can be rotated over lathe saddle
D.	The minimum diameter of workpiece that can be rotated over lathe saddle
Answer» D. The minimum diameter of workpiece that can be rotated over lathe saddle

Discussion

48.	Which current is used in Tungsten Inert-Gas (TIG) welding?
A.	Only A.C. can be used as welding current
B.	Only D.C. can be used as welding current
C.	Both A.C. and D.C. can be used as welding current
D.	None of the above
Answer» D. None of the above

Discussion

49.	The welding process by Metal Inert-Gas (MIG) welding is
A.	slower than the welding process by Tungsten Inert-Gas (TIG) welding
B.	faster than the welding process by Tungsten Inert-Gas (TIG) welding
C.	at same speed as the welding process by Tungsten Inert-Gas (TIG) welding
D.	at unpredictable speed
Answer» C. at same speed as the welding process by Tungsten Inert-Gas (TIG) welding

Discussion

50.	Which of the following statements are true for ultrasonic welding? 1. Productivity of ultrasonic welding is high 2. Thin pieces can be welded to thicker pieces by ultrasonic welding 3. Ultrasonic welds contain foreign inclusions  4. Post cleaning of welds is necessary in ultrasonic welding 5. Preparation required for ultrasonic welding process is very little
A.	(1), (2) and (4)
B.	(2), (3) and (4)
C.	(1), (3) and (5)
D.	(1), (2) and (5)
Answer» E.

Discussion

Explore topic-wise MCQs in ENGINEERING SERVICES EXAMINATION (ESE).

The&nbsp;sand&nbsp;in&nbsp;its&nbsp;natural&nbsp;or&nbsp;moist&nbsp;state&nbsp;is&nbsp;called&nbsp;as&nbsp;

&nbsp;What&nbsp;is&nbsp;the&nbsp;highest&nbsp;possible&nbsp;percentage&nbsp;of&nbsp;clay&nbsp;contents&nbsp;in&nbsp;loam&nbsp;sand?&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;sentences&nbsp;is/are&nbsp;correct&nbsp;for&nbsp;casting&nbsp;process?&nbsp;

The&nbsp;productivity&nbsp;of&nbsp;casting&nbsp;process&nbsp;is&nbsp;comparatively&nbsp;

Which&nbsp;casting&nbsp;process&nbsp;has&nbsp;no&nbsp;size&nbsp;and&nbsp;shape&nbsp;limits?&nbsp;

&nbsp;&nbsp;&nbsp;Blow&nbsp;holes&nbsp;in&nbsp;casting&nbsp;are&nbsp;caused&nbsp;by&nbsp;

&nbsp;Mechanical&nbsp;working&nbsp;processes&nbsp;are&nbsp;performed&nbsp;on&nbsp;metals

&nbsp;&nbsp;Hot&nbsp;working&nbsp;process&nbsp;is&nbsp;the&nbsp;plastic&nbsp;deformation&nbsp;of&nbsp;metal&nbsp;which&nbsp;is&nbsp;carried&nbsp;out&nbsp;

The&nbsp;plastics&nbsp;which&nbsp;soften&nbsp;when&nbsp;heat&nbsp;is&nbsp;applied&nbsp;with&nbsp;or&nbsp;without&nbsp;pressure,&nbsp;but&nbsp;requires&nbsp;cooling&nbsp;to&nbsp;set&nbsp;them&nbsp;to&nbsp;shape&nbsp;are&nbsp;called&nbsp;as&nbsp;

&nbsp;In&nbsp;resistance&nbsp;electric&nbsp;welding,&nbsp;the&nbsp;current&nbsp;passed&nbsp;through&nbsp;two&nbsp;joining&nbsp;metal&nbsp;pieces&nbsp;is&nbsp;

As&nbsp;compared&nbsp;to&nbsp;the&nbsp;arc&nbsp;welding,&nbsp;the&nbsp;gas&nbsp;welding&nbsp;takes&nbsp;

Good&nbsp;surface&nbsp;finish&nbsp;and&nbsp;better&nbsp;dimensional&nbsp;accuracy&nbsp;can&nbsp;be&nbsp;achieved&nbsp;in&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;are&nbsp;the&nbsp;cold&nbsp;working&nbsp;processes? (1)&nbsp;Forging (2)&nbsp;Bending (3)&nbsp;Squeezing&nbsp; (4)&nbsp;Pipe&nbsp;Welding (5)&nbsp;Drawing

&nbsp;The&nbsp;process&nbsp;of&nbsp;joining&nbsp;two&nbsp;pieces&nbsp;of&nbsp;metal&nbsp;with&nbsp;a&nbsp;different&nbsp;fusible&nbsp;metal&nbsp;applied&nbsp;in&nbsp;a&nbsp;molten&nbsp;state&nbsp;is&nbsp;called&nbsp;as&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;statements&nbsp;is/are&nbsp;true&nbsp;for&nbsp;welding&nbsp;process?

&nbsp;Thermosetting&nbsp;materials&nbsp;are&nbsp;

Which&nbsp;plastic&nbsp;materials&nbsp;contain&nbsp;strong&nbsp;cross&nbsp;linkings&nbsp;in&nbsp;their&nbsp;molecular&nbsp;structure?&nbsp;

&nbsp;&nbsp;The&nbsp;volume&nbsp;of&nbsp;metal&nbsp;that&nbsp;enters&nbsp;the&nbsp;rolling&nbsp;stand&nbsp;

The&nbsp;metal&nbsp;joined&nbsp;is&nbsp;never&nbsp;brought&nbsp;to&nbsp;a&nbsp;molten&nbsp;stage&nbsp;in

&nbsp;Which&nbsp;of&nbsp;the&nbsp;following&nbsp;is&nbsp;an&nbsp;example&nbsp;of&nbsp;fusion&nbsp;welding?&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;is&nbsp;an&nbsp;example&nbsp;of&nbsp;thermoplastic&nbsp;material?

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;characteristics&nbsp;does&nbsp;not&nbsp;affect&nbsp;the&nbsp;properties&nbsp;of&nbsp;plastics?&nbsp;

Calculate&nbsp;time&nbsp;taken&nbsp;to&nbsp;face&nbsp;a&nbsp;workpiece&nbsp;of&nbsp;100&nbsp;mm&nbsp;diameter.&nbsp;The&nbsp;cross&nbsp;feed&nbsp;is&nbsp;0.2&nbsp;mm/rev&nbsp;and&nbsp;spindle&nbsp;speed&nbsp;is&nbsp;200&nbsp;r.p.m.&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;is&nbsp;a&nbsp;soft&nbsp;solder?&nbsp;

What&nbsp;is&nbsp;used&nbsp;as&nbsp;joining&nbsp;medium&nbsp;in&nbsp;brazing&nbsp;operation?&nbsp;

Joint&nbsp;strength&nbsp;in&nbsp;brazing&nbsp;operation&nbsp;is&nbsp;

Which&nbsp;characteristic&nbsp;of&nbsp;material&nbsp;is&nbsp;used&nbsp;in&nbsp;forging&nbsp;process?&nbsp;

&nbsp;How&nbsp;does&nbsp;the&nbsp;ability&nbsp;of&nbsp;material&nbsp;to&nbsp;withstand&nbsp;unpredictable&nbsp;loads&nbsp;change&nbsp;after&nbsp;forging?&nbsp;

Specific&nbsp;gravity&nbsp;of&nbsp;the&nbsp;plastics&nbsp;is&nbsp;usually&nbsp;

The&nbsp;process&nbsp;of&nbsp;combining&nbsp;two&nbsp;or&nbsp;more&nbsp;distinct&nbsp;polymer&nbsp;molecules&nbsp;to&nbsp;form&nbsp;a&nbsp;new&nbsp;product&nbsp;with&nbsp;different&nbsp;characteristics&nbsp;is&nbsp;called&nbsp;as&nbsp;

Power&nbsp;consumption&nbsp;in&nbsp;D.C.&nbsp;arc&nbsp;welding&nbsp;is&nbsp;

Which&nbsp;type&nbsp;of&nbsp;process&nbsp;the&nbsp;machining&nbsp;can&nbsp;be?&nbsp;

&nbsp;Which&nbsp;type&nbsp;of&nbsp;arc&nbsp;welding&nbsp;is&nbsp;suitable&nbsp;for&nbsp;joining&nbsp;non-ferrous&nbsp;metals?&nbsp;

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;options&nbsp;best&nbsp;describes&nbsp;the&nbsp;centre&nbsp;lathes?&nbsp;

Castings&nbsp;are&nbsp;usually&nbsp;

The&nbsp;materials&nbsp;such&nbsp;as&nbsp;lead&nbsp;and&nbsp;barium,&nbsp;which&nbsp;are&nbsp;added&nbsp;with&nbsp;polymers&nbsp;to&nbsp;minimize&nbsp;the&nbsp;effect&nbsp;of&nbsp;heat,&nbsp;sunlight&nbsp;and&nbsp;ozone&nbsp;are&nbsp;called&nbsp;as&nbsp;

Why&nbsp;are&nbsp;the&nbsp;plasticisers&nbsp;added&nbsp;with&nbsp;polymers?&nbsp;

&nbsp;&nbsp;When&nbsp;the&nbsp;tool&nbsp;of&nbsp;centre&nbsp;lathe&nbsp;moves&nbsp;perpendicular&nbsp;to&nbsp;the&nbsp;axis&nbsp;of&nbsp;rotation,&nbsp;

&nbsp;The&nbsp;foundation&nbsp;of&nbsp;the&nbsp;centre&nbsp;lathe&nbsp;is&nbsp;called&nbsp;as&nbsp;

&nbsp;In&nbsp;circular&nbsp;drawing&nbsp;process,&nbsp;when&nbsp;the&nbsp;depth&nbsp;of&nbsp;drawing&nbsp;is&nbsp;more&nbsp;than&nbsp;the&nbsp;diameter&nbsp;of&nbsp;the&nbsp;die,&nbsp;then&nbsp;the&nbsp;process&nbsp;is&nbsp;called&nbsp;as&nbsp;

&nbsp;Chances&nbsp;of&nbsp;crack&nbsp;propagation&nbsp;are&nbsp;more&nbsp;in&nbsp;

The&nbsp;centre&nbsp;lathes&nbsp;receive&nbsp;their&nbsp;power&nbsp;through

Which&nbsp;of&nbsp;the&nbsp;following&nbsp;is&nbsp;not&nbsp;a&nbsp;part&nbsp;of&nbsp;carriage&nbsp;of&nbsp;the&nbsp;centre&nbsp;lathe?&nbsp;

&nbsp;What&nbsp;is&nbsp;swing&nbsp;over&nbsp;carriage?&nbsp;

Which&nbsp;current&nbsp;is&nbsp;used&nbsp;in&nbsp;Tungsten&nbsp;Inert-Gas&nbsp;(TIG)&nbsp;welding?

&nbsp;&nbsp;The&nbsp;welding&nbsp;process&nbsp;by&nbsp;Metal&nbsp;Inert-Gas&nbsp;(MIG)&nbsp;welding&nbsp;is&nbsp;

The sand in its natural or moist state is called as

What is the highest possible percentage of clay contents in loam sand?

Which of the following sentences is/are correct for casting process?

The productivity of casting process is comparatively

Which casting process has no size and shape limits?

Blow holes in casting are caused by

Mechanical working processes are performed on metals

Hot working process is the plastic deformation of metal which is carried out

The plastics which soften when heat is applied with or without pressure, but requires cooling to set them to shape are called as

In resistance electric welding, the current passed through two joining metal pieces is

As compared to the arc welding, the gas welding takes

Good surface finish and better dimensional accuracy can be achieved in

Which of the following are the cold working processes? (1) Forging (2) Bending (3) Squeezing (4) Pipe Welding (5) Drawing

The process of joining two pieces of metal with a different fusible metal applied in a molten state is called as

Which of the following statements is/are true for welding process?

Thermosetting materials are

Which plastic materials contain strong cross linkings in their molecular structure?

The volume of metal that enters the rolling stand

The metal joined is never brought to a molten stage in

Which of the following is an example of fusion welding?

Which of the following is an example of thermoplastic material?

Which of the following characteristics does not affect the properties of plastics?

Calculate time taken to face a workpiece of 100 mm diameter. The cross feed is 0.2 mm/rev and spindle speed is 200 r.p.m.

Which of the following is a soft solder?

What is used as joining medium in brazing operation?

Joint strength in brazing operation is

Which characteristic of material is used in forging process?

How does the ability of material to withstand unpredictable loads change after forging?

Specific gravity of the plastics is usually

The process of combining two or more distinct polymer molecules to form a new product with different characteristics is called as

Power consumption in D.C. arc welding is

Which type of process the machining can be?

Which type of arc welding is suitable for joining non-ferrous metals?

Which of the following options best describes the centre lathes?

Castings are usually

The materials such as lead and barium, which are added with polymers to minimize the effect of heat, sunlight and ozone are called as

Why are the plasticisers added with polymers?

When the tool of centre lathe moves perpendicular to the axis of rotation,

The foundation of the centre lathe is called as

In circular drawing process, when the depth of drawing is more than the diameter of the die, then the process is called as

Chances of crack propagation are more in

The centre lathes receive their power through

Which of the following is not a part of carriage of the centre lathe?

What is swing over carriage?

Which current is used in Tungsten Inert-Gas (TIG) welding?

The welding process by Metal Inert-Gas (MIG) welding is