Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 1100 750 500 900 1100 750 500 900 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar contains the highest percentage of Tungsten Iron Vanadium Cobalt Tungsten Iron Vanadium Cobalt ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Scarce availability Very low strength to weight ratio Rather low tensile strength Very high cost Scarce availability Very low strength to weight ratio Rather low tensile strength Very high cost ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Zinc is highly __________ at room temperature. Ductile Malleable Brittle Resistant to atmospheric corrosion Ductile Malleable Brittle Resistant to atmospheric corrosion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silicone rubber is not resistant to the corrosive action of Sulphuric acid (10%) Both B and C Ether Sulphuric acid (95%) Sulphuric acid (10%) Both B and C Ether Sulphuric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? Karbate Cast iron Nickel Steel Karbate Cast iron Nickel Steel ANSWER DOWNLOAD EXAMIANS APP
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