Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin vessels are corroded by Aromatic solvents Anhydrous ammonia None of these Synthetic detergent solution Aromatic solvents Anhydrous ammonia None of these Synthetic detergent solution ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at 75° C Room temperature 150° C 373° K 75° C Room temperature 150° C 373° K ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which Has decreased plasticity at increasing temperature Easily deform under pressure at high temperature Can not be moulded None of these Has decreased plasticity at increasing temperature Easily deform under pressure at high temperature Can not be moulded None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Both A & B Neither A nor B Magnesium Copper Both A & B Neither A nor B Magnesium Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following exercises most powerful influence on the mechanical properties of steel? Manganese Carbon Phosphorous Silicon Manganese Carbon Phosphorous Silicon ANSWER DOWNLOAD EXAMIANS APP