A. Cold working
B. Annealing
C. Shot blasting
D. Heating
Related Mcqs:
- To improve the machinability of steel, it is generally subjected to_______________?
A. Spheroidising
B. Tempering
C. Normalising
D. Annealing - Softening of hardened steel is done by its_____________________?
A. Normalising
B. Tempering
C. Annealing
D. Carburising - The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
A. Calorising
B. Galvanising
C. Zincification
D. Tempering - When the steel is subjected to normalising, its ______________ decreases?
A. Yield point
B. Ductility
C. Ultimate tensile strength (UTS)
D. None of these - Cold worked steel parts are normally subjected to_________________?
A. Normalising
B. Hardening
C. Annealing
D. Shot peening - The heat treatment process to which castings and the steel balls produced by cold heading are subjected is____________________?
A. Tempering
B. Normalising
C. Annealing
D. None of these - Which of the following heat treatment processes is used for softening the hardened material ?
A. Normalising
B. Tempering
C. Annealing
D. None of these - Steel balls for ball bearings are generally made of ______________ steel?
A. Cast
B. Stainless
C. Free carbon
D. Carbon chrome - Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysteresis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%) ?
A. Armature of small motors/generators
B. Generators and small motors
C. Induction motors
D. High frequency transformers - Addition of ______________ to the steel helps in increasing the residual magnetism in steel used for making magnets?
A. Chromium
B. Nickel
C. Tungsten
D. Cobalt
