Q.1.
Process annealing is applied to which kind of materials?
- a) Steel castings
- b) Low carbon steels
- c) High carbon steels
- d) Medium carbon steels
Q.2.
For process annealing, the steel is heated at a temperature range of _________
- a) 550-650oC
- b) 723-910oC
- c) 723-1138oC
- d) 750-800oC
Q.3.
Which among the following is not applicable to process annealing of steels?
- a) Low scaling
- b) Rapid
- c) Expensive
- d) Single phase morphology
Q.4.
What happens when internal residual stresses are not removed?
- a) Coarse structure
- b) Reduction of grain size
- c) Distortion
- d) Recrystallization
Q.5.
Subcritical annealing is another name for ____________
- a) Process annealing
- b) Stress relief annealing
- c) Recrystallization annealing
- d) Spheroidise annealing
Q.6.
Commercial annealing is another name for ____________
- a) Process annealing
- b) Stress relief annealing
- c) Recrystallization annealing
- d) Spheroidise annealing
Q.7.
Removal of internal residual stresses at low temperatures is known as ________
- a) Recrystallization
- b) Recovery
- c) Morphology
- d) Phase transformation
Q.8.
What kind of annealing does this graph illustrate?
- a) Process annealing
- b) Stress relief annealing
- c) Recrystallization annealing
- d) Spheroidise annealing