Engineering Materials Which of the following metal is used in making electrical resistance wire for electric furnaces and heating elements? Babbitt metal Monel metal Phosphor bronze Nichrome Babbitt metal Monel metal Phosphor bronze Nichrome ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials A small percentage of boron is added to steel in order to Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability Increase endurance strength Increase wear resistance Increase hardenability Reduce machinability ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials The hardness of steel increases if it contains Martensite Cementite Austenite Pearlite Martensite Cementite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Hardness of lower bainite (tempered martensite) is about RC 65 RC 80 RC 57 RC 48 RC 65 RC 80 RC 57 RC 48 ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following pipes is least corrosion resistant? Mild steel Wrought iron Cast iron Brass Mild steel Wrought iron Cast iron Brass ANSWER DOWNLOAD EXAMIANS APP
Engineering Materials Which of the following impurity in cast iron makes it hard and brittle? Phosphorus Silicon Manganese Sulphur Phosphorus Silicon Manganese Sulphur ANSWER DOWNLOAD EXAMIANS APP
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