Discussion
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- Question
A moving mandrel is used in
Options- A. wiredrawing
- B. tube drawing
- C. metal cutting
- D. forging
- Correct Answer
- tube drawing
- 1. The teeth of hacksaw blade are bent
Options- A. towards right
- B. towards left
- C. alternately towards right and left and every third or fourth left straight
- D. may be bent in any direction Discuss
- 2. Which of the following material can be used for making patterns?
Options- A. Aluminium
- B. Wax
- C. Lead
- D. all of these Discuss
- 3. Thermit, used in thermit welding, is a mixture of
Options- A. charcoal and iron oxide
- B. charcoal and aluminium
- C. iron oxide and aluminium
- D. charcoal, iron oxide and aluminium Discuss
- 4. In die casting, machining allowance is
Options- A. small
- B. large
- C. very large
- D. not provided Discuss
- 5. During hot working of metals
Options- A. porosity of the metal is largely eliminated
- B. grain structure of the metal is refined
- C. mechanical properties are improved due to refinement of grains
- D. all of the above Discuss
- 6. For cutting brass, the hacksaw blade should have __________ teeth per 25 mm.
Options- A. 14
- B. 24
- C. 32
- D. 40 Discuss
- 7. Cutting and forming operations can be performed in a single operation in a
Options- A. simple die
- B. progressive die
- C. compound die
- D. combination die Discuss
- 8. If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.
Options- A. Correct
- B. Incorrect Discuss
- 9. Metal patterns require __________ draft allowance than wooden patterns.
Options- A. more
- B. less Discuss
- 10. The width of slot cut by a hacksaw blade is __________ the width of the blade.
Options- A. equal to
- B. less than
- C. greater than Discuss
Workshop Technology problems
Search Results
Correct Answer: alternately towards right and left and every third or fourth left straight
Correct Answer: all of these
Correct Answer: iron oxide and aluminium
Correct Answer: not provided
Correct Answer: all of the above
Correct Answer: 14
Correct Answer: combination die
Correct Answer: Correct
Correct Answer: less
Correct Answer: greater than
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