Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 500 100 250 5 500 100 250 5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 50-55 43990 18-20 30-35 50-55 43990 18-20 30-35 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not used as the ceramic material in 'cermets'? Oxides Carbides Nitrides Silicides Oxides Carbides Nitrides Silicides ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a non-ferrous alloy? Magnalium Meehanite Gun metal Muntz metal Magnalium Meehanite Gun metal Muntz metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 2 40 0.5 75 2 40 0.5 75 ANSWER DOWNLOAD EXAMIANS APP