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Workshop Technology
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Question
The instrument which has all the features of try-square, bevel protractor, rule and scriber, is
Options
A. outside micrometer
B. inside micrometer
C. depth gauge micrometer
D. combination set
Correct Answer
combination set
Workshop Technology problems
Search Results
1. The algebraic difference between the minimum limit and the basic size is called
Options
A. actual deviation
B. upper deviation
C. lower deviation
D. fundamental deviation
Show Answer
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Discuss
Correct Answer: lower deviation
2. A pattern maker's shrinkage rule considers
Options
A. all pattern allowances
B. only shrinkage allowance
C. all materials to be cast
D. all materials of the pattern
Show Answer
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Discuss
Correct Answer: only shrinkage allowance
3. In average work, the tolerance produced by investment casting method is
Options
A. ±0.05 mm
B. +0.2 mm
C. +05 mm
D. +1 mm
Show Answer
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Discuss
Correct Answer: ±0.05 mm
4. The tolerance produced by shell moulding process of casting is
Options
A. +0.05 mm
B. ±0.2 mm
C. +0.5 mm
D. ±1 mm
Show Answer
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Correct Answer: ±0.2 mm
5. Galvanising is a
Options
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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Correct Answer: process of coating zinc by hot dipping
6. In welding copper alloys with TIG arc welding
Options
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
Show Answer
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Correct Answer: direct current with straight polarity is used
7. In a hot chamber die casting machine
Options
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
Show Answer
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Correct Answer: non-ferrous alloys with low melting temperature are casted
8. The low pressure acetylene is produced at the welding site by the chemical reaction between water and calcium carbonate.
Options
A. Correct
B. Incorrect
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Correct Answer: Incorrect
9. When a hole or cavity to be cored is not in line with the parting surface, then a __________ is used.
Options
A. horizontal core
B. vertical core
C. drop core
D. balanced core
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Correct Answer: drop core
10. The temperature at which the new grains are formed in the metal is called
Options
A. lower critical temperature
B. upper critical temperature
C. eutectic temperature
D. recrystallisation temperature
Show Answer
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Discuss
Correct Answer: recrystallisation temperature
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