Materials and Construction Galvanising (i.e., zinc coating) of steel sheets is done to Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B Neither A nor B Prevent its rusting by contact with corrosive atmosphere Protect the base metal by cathodic protection Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the softest material? Flourite Corrundum Calcite Quartz Flourite Corrundum Calcite Quartz ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Combination of metals and ceramics are called Non-crystalline ceramics Metalloy Pellets Cermets Non-crystalline ceramics Metalloy Pellets Cermets ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about One twelfth One third One fifth Half One twelfth One third One fifth Half ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For platinum thermocouples, lead wires are made of Copper & copper-nickel alloys Copper & iron Tin & nickel Iron & nickel Copper & copper-nickel alloys Copper & iron Tin & nickel Iron & nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following materials may prove unsuitable for handling acetic acid (glacial & anhydrous) at 40°C? Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite Brass, cast iron, mild steel and tin Silicone rubber, teflon, procelain and wood Aluminium, copper, high silicon iron Nickel, monel, stainless steel and graphite ANSWER DOWNLOAD EXAMIANS APP