The heat treatment process to which castings and the steel balls produced by cold heading are subjected is____________________?

Related Mcqs:

1. The heat treatment process applied to cold formed steel parts is ____________________?

   A. Normalising
   B. Tempering
   C. Artificial ageing
   D. Solution annealing

2. Steel balls for ball bearings are generally made of ______________ steel?

   A. Cast
   B. Stainless
   C. Free carbon
   D. Carbon chrome

3. Cold worked steel parts are normally subjected to_________________?

   A. Normalising
   B. Hardening
   C. Annealing
   D. Shot peening

4. Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is _____________ percent?

   A. 0.02
   B. 0.2
   C. 0.35
   D. 0.5

5. Silicon percentage in iron castings to have maximum hardness should be about__________________?

   A. 0.3
   B. 0.5
   C. 0.8
   D. 2.5

6. Chilled iron castings are__________________?

   A. Easily machinable
   B. Soft on surface
   C. Highly wear resistant
   D. None of these

7. To improve the machinability of steel by its softening, it is subjected to __________________?

   A. Cold working
   B. Annealing
   C. Shot blasting
   D. Heating

8. When the steel is subjected to normalising, its ______________ decreases?

   A. Yield point
   B. Ductility
   C. Ultimate tensile strength (UTS)
   D. None of these

9. To improve the machinability of steel, it is generally subjected to_______________?

   A. Spheroidising
   B. Tempering
   C. Normalising
   D. Annealing

10. Cold work tool steel should have_________________?

    A. High toughness
    B. Poor hardenability
    C. High wear resistance
    D. All A., B. & C.