A. Above the highest
B. Above the lowest
C. Between the first & second
D. Between the second & third
Related Mcqs:
- 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 - Steel balls for ball bearings are generally made of ______________ steel?
A. Cast
B. Stainless
C. Free carbon
D. Carbon chrome - Mild steel is a/an ______________ steel?
A. Low carbon
B. Medium carbon
C. High carbon
D. High alloy - 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 - ______________ is not a case hardening process?
A. Carburising
B. Nitriding
C. Cyaniding
D. Annealing - Mild steel is a/an _____________ steel?
A. Low carbon
B. Medium carbon
C. High carbon
D. High alloy - Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making___________________?
A. Nuts
B. Bolts
C. Chisels
D. Studs - 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 - 18/8 steel is a/an __________ stainless steel ?
A. Austenitic
B. Ferritic
C. Martensitic
D. None of these - Work hardening of a material ________________?
A. Decreases its tensile strength
B. Decreases its ductility
C. Increases its ductility
D. Does not affect its ductility
