Engineering Materials Acidic solution is one which has pH value Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution Greater than 7 Equal to 7 Less than 7 pH value has nothing to do with neutral solution ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The alloying element which increases residual magnetism and coercive magnetic force in steel for magnets is Vanadium Nickel Cobalt Chromium Vanadium Nickel Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Recrystallization temperature can be lowered by Purification of metal Grain refinement All of these Working at lower temperature Purification of metal Grain refinement All of these Working at lower temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The usual composition of a soldering alloy is Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver Tin, lead and small percentage of antimony Tin and copper Tin and lead Tin, lead and silver ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following statements are true for annealing of steels? All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved All of these Cooling is done slowly and steadily Steels are heated to 500 to 700°C Internal stresses are relieved ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials When steel containing less than 0.8% carbon is cooled slowly from temperatures above or within the critical range, it consists of Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite Mainly pearlite Ferrite and pearlite Mainly ferrite Pearlite and cementite ANSWER DOWNLOAD EXAMIANS APP
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