In drop forging process, the forging is done by dropping the _____________ at high velocity?

Related Mcqs:

1. Nitriding of steel is done (in electric furnace) at _____________ °C?

   A. 510
   B. 1720
   C. 2210
   D. 910

2. High carbon steel contains more than _____________ percent carbon?

   A. 0.5
   B. 2.2
   C. 2.5
   D. 2.8

3. High speed steel tools retain their hardness upto a temperature of _____________ °C?

   A. 500
   B. 750
   C. 900
   D. 1100

4. Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as_____________________?

   A. Sherardizing
   B. Parkerising
   C. Anodising
   D. None of these

5. Post weld heat treatment is done by____________________?

   A. Normalising
   B. Stress relieving
   C. Tempering
   D. Solution annealing

6. Tin coating on metals is not done by_____________________?

   A. Spraying
   B. Powder metallurgy
   C. Hot dipping
   D. Electro-deposition

7. Tempering of steel is done to make it_________________?

   A. Brittle
   B. Hard
   C. Rollable
   D. Soft

8. Chlorination of benzene is done to produce benzene hexachloride (a pesticide) in a photochemical reactor lined with_____________________?

   A. Karbate
   B. Lead or glass
   C. Fireclay bricks
   D. PVC

9. Galvanising (i.e., zinc coating) of steel sheets is done to______________________?

   A. Prevent its rusting by contact with corrosive atmosphere
   B. Protect the base metal by cathodic protection
   C. Both A. & B.
   D. Neither A. nor B.

10. Tempering of steel is done to make it________________?

    A. Brittle
    B. Hard
    C. Rollable
    D. Soft