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Workshop Technology
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Question
Which of the following methods can be used for manufacturing 2 metre long seamless metallic tubes?
Options
A. Drawing
B. Extrusion
C. Rolling
D. Extrusion and rolling
Correct Answer
Extrusion and rolling
Workshop Technology problems
Search Results
1. In arc welding, the electric arc is produced between the work and the electrode by
Options
A. voltage
B. flow of current
C. contact resistance
D. all of these
Show Answer
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Discuss
Correct Answer: contact resistance
2. In a four high rolling mill, there are four rolls out of which
Options
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
Show Answer
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Correct Answer: two are working rolls and two are backing up rolls
3. The purpose of a riser is to
Options
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
Show Answer
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Correct Answer: feed the molten metal to the casting in order to compensate for the shrinkage
4. Blanking and piercing operations can be performed simultaneously in a
Options
A. simple die
B. progressive die
C. compound die
D. combination die
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Discuss
Correct Answer: compound die
5. In a hot chamber die casting machine
Options
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
Show Answer
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Correct Answer: melting pot is an integral part of the machine
6. The fullers are used
Options
A. for finishing flat surfaces
B. for necking down a piece of work
C. for punching a hole
D. to finish the punched hole
Show Answer
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Correct Answer: for necking down a piece of work
7. The cross-section of a chisel is usually
Options
A. rectangular
B. square
C. hexagonal
D. octagonal
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Correct Answer: octagonal
8. A plug gauge is used to check the diameter of shafts and studs.
Options
A. Correct
B. Incorrect
Show Answer
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Correct Answer: Incorrect
9. The property of sand due to which it evolves a great amount of steam and other gases is called
Options
A. collapsibility
B. permeability
C. cohesiveness
D. adhesiveness
Show Answer
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Correct Answer: permeability
10. In back-hand welding, the angle between the welding torch and the work is kept as
Options
A. 30°-40°
B. 40°-50°
C. 50°-60°
D. 60°-70°
Show Answer
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Correct Answer: 40°-50°
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