Engineering Materials When filing or machining cast iron makes our hands black, then it shows that ________ is present in cast iron. Cementite Free graphite Both A and B None of these Cementite Free graphite Both A and B None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Admiralty brass used for steam condenser tubes contains copper and zinc in the following ratio 2.9375 40 : 60 30 : 70 2.1180555555556 2.9375 40 : 60 30 : 70 2.1180555555556 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials German silver is an alloy of Refined silver Silver and some impurities Nickel, Copper and zinc Nickel and copper Refined silver Silver and some impurities Nickel, Copper and zinc Nickel and copper ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Large forgings, crank shafts, axles normally contain carbon up to 0.05 to 0.20% 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% 0.05 to 0.20% 0.20 to 0.45% 0.45 to 0.55% 0.55 to 1.0% ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The ability of a material to resist softening at high temperature is known as Hot hardness Hot tempering Fatigue Creep Hot hardness Hot tempering Fatigue Creep 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 Pearlite and cementite Ferrite and pearlite Mainly ferrite Mainly pearlite Pearlite and cementite Ferrite and pearlite Mainly ferrite Mainly pearlite ANSWER DOWNLOAD EXAMIANS APP
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