Materials and Construction 'Age hardening' of duralumin is due to Neither A nor B Magnesium Both A & B Copper Neither A nor B Magnesium Both A & B Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron All of these Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18-4-1 high speed steel contains 18%, 4% and 1% respectively of Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten Tungsten, vanadium and chromium Chromium, tungsten and vanadium Tungsten, chromium and vanadium Vanadium, chromium and tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Dilute HC₁ Acetic acid v None of these Dilute HC₁ Acetic acid v None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For storing water and acid free benzol, use a __________ vessel. Karbate Steel Stainless steel None of these Karbate Steel Stainless steel None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ability of a material to __________ is indicated by its damping capacity. Withstand compression Absorb vibration None of these Absorb shock Withstand compression Absorb vibration None of these Absorb shock ANSWER DOWNLOAD EXAMIANS APP
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