Materials and Construction Trough of an apron conveyor is made of Wood Lead lined concrete vessel Either B or C Metal Wood Lead lined concrete vessel Either B or C Metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Rusts Is heated None of these Melts Rusts Is heated None of these Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Converted to a fine powder Reduced Oxidised None of these Converted to a fine powder Reduced Oxidised None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Ductility decreases Both A & B Hardness & brittleness increases Neither A nor B Ductility decreases Both A & B Hardness & brittleness increases Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Aluminium Copper & nickel Zinc Tin Aluminium Copper & nickel Zinc Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Refined acetic acid storage vessel are made of Copper High carbon steel Aluminium Nickel Copper High carbon steel Aluminium Nickel ANSWER DOWNLOAD EXAMIANS APP