Discussion
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- Question
The sand used for making cores is
Options- A. green sand
- B. dry sand
- C. loam sand
- D. oil sand
- Correct Answer
- oil sand
- 1. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
Options- A. less than 0.1 percent
- B. less than 0.3 percent
- C. more than 0.3 percent
- D. any where between 0.1 to 1 percent Discuss
- 2. The two rolls in a two high rolling mills are of __________ size.
Options- A. equal
- B. different Discuss
- 3. When the file is moved to and fro over the work, it is known as
Options- A. cross filing
- B. draw filing
- C. pull and push filing
- D. none of these Discuss
- 4. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
Options- A. die casting method
- B. slush casting method
- C. permanent mould casting method
- D. centrifugal casting method Discuss
- 5. The difference between the upper limit and lower limt of a dimension is called
Options- A. nominal size
- B. basic size
- C. actual size
- D. tolerance Discuss
- 6. The process of decreasing the cross-section of a bar and increasing its length, is called
Options- A. drawing down
- B. upsetting
- C. spinning
- D. peening Discuss
- 7. In piercing operation, the clearance is provided on
Options- A. punch
- B. die
- C. half on the punch and half on the die
- D. either on punch or die depending upon designer's choice Discuss
- 8. The property of sand due to which the sand grains stick together, is called
Options- A. collapsibility
- B. permeability
- C. cohesiveness
- D. adhesiveness Discuss
- 9. According to Indian standard specifications, 100 H6/g 5 means that.
Options- A. basic size is 100 mm
- B. actual size is 100 mm
- C. difference between the actual size and basic size is 100 mm
- D. none of the above Discuss
- 10. A pattern is used to make the mould cavity for pouring the molten metal for casting.
Options- A. Yes
- B. No Discuss
Workshop Technology problems
Search Results
Correct Answer: more than 0.3 percent
Correct Answer: equal
Correct Answer: draw filing
Correct Answer: permanent mould casting method
Correct Answer: tolerance
Correct Answer: drawing down
Correct Answer: die
Correct Answer: cohesiveness
Correct Answer: basic size is 100 mm
Correct Answer: Yes
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