Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Heat resisting steel High speed steel Invar Austenitic stainless steel Heat resisting steel High speed steel Invar Austenitic stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications Are used for leaf and coiled springs Do not have good resilience properties Is tempered at 850°C Do not require heat treatment for any of its applications ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Very high sulphur in pig iron makes Its casting unsound Its hard and machinable Its brittle and malleable All of these Its casting unsound Its hard and machinable Its brittle and malleable All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cermets are used for making Neither A nor B Abrasives Both A & B Cutting tools Neither A nor B Abrasives Both A & B Cutting tools ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following contains maximum percentage of carbon? Boiler plate steel Saws for cutting steel Rail steel Railway spring steel Boiler plate steel Saws for cutting steel Rail steel Railway spring steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which is an amorphous material? Cast iron Mica Glass Brass Cast iron Mica Glass Brass ANSWER DOWNLOAD EXAMIANS APP