A. Plastics
B. Crystalline solid
C. Non-crystalline solids
D. Non-crystalline organic polymer
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 - An elastic behaviour of materials is expressed in terms of_______________?
A. Hysteresis loop area
B. Stress-strain curve
C. Relaxation time
D. None of these - 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 - Hydrocyanic acid is not shipped in______________?
A. Cast iron vessels
B. Steel cylinders
C. Aluminium containers
D. Monel drums - Ceramic materials fabrication cannot be done by__________________?
A. Welding
B. Slip casting
C. Extrusion
D. Plastic pressing - Diamagnetic materials are magnetised________________?
A. Strongly
B. Only slightly
C. With eddy currents only
D. In a direction opposite to that of the applied field - Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C ?
A. Silicone rubber, teflon, porcelain and wood
B. Nickel, monel, stainless steel and graphite
C. Aluminium, copper, high silicon iron
D. Brass, cast iron, mild steel and tin
