A. Highly stressed parts
B. Gauges or precision parts
C. Cold rolled sheets
D. Non machinable materials
Related Mcqs:
- Sub zero treatment of steel is done to____________________?
A. Suppress martensite transformation
B. Enhance its working performance in sub zero atmosphere
C. Reduce the retained austenite in hardened steel
D. Induce temper brittleness after its hardening - The heat treatment to which the steel wire containing > 0.25% carbon is subjected to is___________________?
A. Full annealing
B. Bright annealing
C. Patenting
D. None of these - Absolute zero, pressure will occur, when the molecular momentum of the system becomes zero. A liquid will cease to exist as liquid at________________?
A. High vacuum
B. Zero pressure
C. 0°K
D. Earth’s centre - Square steel key is normally strong in failure by shear & crushing. Keys are normally made of _______________ steel bars?
A. Hot rolled mild
B. Cold rolled mild
C. Forged
D. Machinable stainless - The minimum carbon content in steel should be ____________________ percent for it to respond to a hardening treatment ?
A. 0.2
B. 0.4
C. 0.6
D. 0.8 - To improve the machinability of steel, it is generally subjected to _____________________?
A. Spheroidising
B. Tempering
C. Normalising
D. Annealing - Which of the following metals is not subjected to electrolytic refining/purification ?
A. Copper
B. Zinc
C. Tin
D. Aluminium - A material being tested for endurance strength is subjected to the _____________ load?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic - A material being tested for endurance strength is subjected to the _______________ load ?
A. Impact
B. Completely reversed
C. Dynamic
D. Static & dynamic - A material subjected ________________ must have high resilience?
A. Shock loading
B. Vibration
C. Fatigue
D. Tension
