Materials and Construction Rotary driers are generally made of High silicon iron (14% Si) Mild steel Tin lined with refractory bricks Cast iron High silicon iron (14% Si) Mild steel Tin lined with refractory bricks Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White cast iron is not Strong and hard Malleable Whitish in color Brittle Strong and hard Malleable Whitish in color Brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron has very high Ductility Compressive strength Resistance to brittleness Shock resistance Ductility Compressive strength Resistance to brittleness Shock resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duralumin is an alloy of Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these Aluminium, copper and manganese Aluminium, nickel and silicon Aluminium and nickel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Both A & B Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Slag wool Vermiculite Glass wool and 85% magnesia Ceramic fibre blanket Slag wool Vermiculite Glass wool and 85% magnesia Ceramic fibre blanket ANSWER DOWNLOAD EXAMIANS APP