A. Hysteresis loop area
B. Stress-strain curve
C. Relaxation time
D. None of these
Related Mcqs:
- The behaviour of visco-elastic material is time dependent. This behaviour is common in _____________ materials?
A. Non-crystalline solid
B. Crystalline
C. Rubbery
D. Non-crystalline organic polymeric - All materials obey Hooke’s law within elastic limit. When elastic limit is reached, the tensile strain__________________?
A. Increases very quickly
B. Decreases very quickly
C. Increases in proportion to stress
D. Decreases in proportion to stress - Visco-elastic behaviour of materials which is time dependent is common in______________?
A. Plastics
B. Crystalline solid
C. Non-crystalline solids
D. Non-crystalline organic polymer - Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the ______________ stress?
A. Ultimate
B. Yield point
C. Proof
D. None of these - The ability of a material to absorb energy in the elastic range is a measure of its __________________?
A. Toughness
B. Resilience
C. Malleability
D. Brittleness - Which of the following is the most elastic material ?
A. Plastic
B. Glass
C. Steel
D. Rubber - Rotary driers are generally made of_______________?
A. Cast iron
B. Mild steel
C. High silicon iron (14% Si)
D. Tin lined with refractory bricks - Evaporators used in caustic soda recovery and production plant are made of_______________?
A. Monel metal
B. Gun metal
C. Wood metal
D. Babbitt metal - Tin base and lead base alloys are used for bearing materials. Tin compared to lead has lower_________________?
A. Price
B. Corrosion resistance
C. Thermal conductivity
D. Abundant availability - ____________ alloys have the highest specific strength of all the structural materials out of the following?
A. Magnetic steel
B. Titanium
C. Chromium
D. Magnesium
