Manufacturing Processes - 1 Test - Set 3

1)   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
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ANSWER: characteristics of plasticity of material

Explanation:
No explanation is available for this question!


2)   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
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ANSWER: The ability of material to withstand unpredictable loads increases after forging

Explanation:
No explanation is available for this question!


3)   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
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ANSWER: less than the specific gravity of metals

Explanation:
No explanation is available for this question!


4)   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
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ANSWER: blending

Explanation:
No explanation is available for this question!


5)   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
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ANSWER: more than the power consumption in A.C. arc welding

Explanation:
No explanation is available for this question!


6)   Which type of process the machining can be?

a. Cold working
b. Hot working
c. Both a. and b.
d. None of the above
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ANSWER: Cold working

Explanation:
No explanation is available for this question!


7)   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
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ANSWER: D.C. Arc welding

Explanation:
No explanation is available for this question!


8)   Which of the following options best describes the centre lathes?

a. Machining machines
b. Shaping machines
c. Turning machines
d. None of the above
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ANSWER: Turning machines

Explanation:
No explanation is available for this question!


9)   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
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ANSWER: cheaper than forgings

Explanation:
No explanation is available for this question!


10)   Match the following Tools used in smithy in Group 1 with their Applications in Group 2 and select the correct option.

1. Sledge hammers, straight, flat and cross peen ------------- A. To nick the bar and to shape the cold work
2. Smith ball peen hammer ------------------------------------------ B. To make recesses of any shape in hot metal
3. Punches --------------------------------------------------------------- C. To cut plates to curves
4. Hardie ------------------------------------------------------------------- D. To forge art, bend and shape the work
5. Anvil ---------------------------------------------------------------------- E. To forge light and medium work
6. Gouge -------------------------------------------------------------------- F. To forge big jobs


a. 1-(E), 2-(F), 3-(A), 4-(B), 5-(C), 6-(D)
b. 1-(E), 2-(F), 3-(B), 4-(A), 5-(D), 6-(C)
c. 1-(F), 2-(E), 3-(A), 4-(B), 5-(C), 6-(D)
d. 1-(F), 2-(E), 3-(B), 4-(A), 5-(D), 6-(C)
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ANSWER: 1-(F), 2-(E), 3-(B), 4-(A), 5-(D), 6-(C)

Explanation:
No explanation is available for this question!


11)   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
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ANSWER: stabilisers

Explanation:
No explanation is available for this question!


12)   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
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ANSWER: To improve flexibility and to reduce the temperature and pressure required for moulding of plastics

Explanation:
No explanation is available for this question!


13)   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
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ANSWER: it produces a flat surface

Explanation:
No explanation is available for this question!


14)   The foundation of the centre lathe is called as

a. carriage
b. tray
c. base
d. bed
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ANSWER: bed

Explanation:
No explanation is available for this question!


15)   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
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ANSWER: Extrusion

Explanation:
No explanation is available for this question!


16)   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
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ANSWER: deep drawing

Explanation:
No explanation is available for this question!


17)   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
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ANSWER: cold working process

Explanation:
No explanation is available for this question!


18)   The centre lathes receive their power through

a. headstock
b. tailstock
c. both a. and b.
d. none of the above
Answer  Explanation  Related Ques

ANSWER: headstock

Explanation:
No explanation is available for this question!


19)   Consider the following diagram of tailstock.

The part shown in blue color in the below diagram is called as



MP1 (70).jpeg
a. tailstock clamping lever
b. tailstock dead centre
c. tailstock spindle
d. none of the above
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ANSWER: tailstock spindle

Explanation:
No explanation is available for this question!


20)   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  Explanation  Related Ques

ANSWER: Gear box controls

Explanation:
No explanation is available for this question!


21)   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  Explanation  Related Ques

ANSWER: The maximum diameter of workpiece that can be rotated over lathe saddle

Explanation:
No explanation is available for this question!


22)   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  Explanation  Related Ques

ANSWER: Both A.C. and D.C. can be used as welding current

Explanation:
No explanation is available for this question!


23)   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
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ANSWER: faster than the welding process by Tungsten Inert-Gas (TIG) welding

Explanation:
No explanation is available for this question!


24)   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  Explanation  Related Ques

ANSWER: (1), (2) and (5)

Explanation:
No explanation is available for this question!