Materials and Construction Which metal is protected by the layer of its own oxide? Iron Silver Calcium Aluminium Iron Silver Calcium Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Tin Copper & nickel Aluminium Zinc Tin Copper & nickel Aluminium Zinc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acetaldehyde is shipped in __________ drums. Cast iron Steel Aluminium Either B & C Cast iron Steel Aluminium Either B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 900 1100 500 750 900 1100 500 750 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum carbon content in cast iron is __________ percent. 5.2 4.3 3.8 4.8 5.2 4.3 3.8 4.8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass tubes are used in the manufacture of tubes of evaporators used in sugar and salt industries, mainly because of its High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP