Materials and Construction 18-4-1 high speed steel contains 18%, 4% and 1% respectively of Chromium, tungsten and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Tungsten, chromium and vanadium Chromium, tungsten and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Tungsten, chromium and vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Chromium Cobalt Nickel Tungsten Chromium Cobalt Nickel Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Ferric sulphide Hydrated ferric oxide Ferrous oxide Powdered iron Ferric sulphide Hydrated ferric oxide Ferrous oxide Powdered iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron and steel pipes are produced by __________ casting. Slush True centrifugal Investment Die Slush True centrifugal Investment Die ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. High speed steel Austenitic stainless steel Heat resisting steel Invar High speed steel Austenitic stainless steel Heat resisting steel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Neither A nor B Copper Magnesium Both A & B Neither A nor B Copper Magnesium Both A & B ANSWER DOWNLOAD EXAMIANS APP
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