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

This section includes 50 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.

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