Materials and Construction Super conductors are those substances, which Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature Conduct electricity at low temperature Offer high resistance to current flow Offer no resistance to current flow Conduct electricity at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the first & second Above the highest Above the lowest Between the second & third Between the first & second Above the highest Above the lowest Between the second & third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel contains Chromium and nickel Aluminium Copper Vanadium Chromium and nickel Aluminium Copper Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following will have the highest melting point? Pig iron High carbon steel Wrought iron Mild steel Pig iron High carbon steel Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in stainless steel to prevent inter crystal corrosion. Chromium Vanadium Niobium Nickel Chromium Vanadium Niobium Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following comprises of hydrocarbons? Rubber Mica flakes Glass None of these Rubber Mica flakes Glass None of these ANSWER DOWNLOAD EXAMIANS APP
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