Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is Normalising Annealing None of these Tempering Normalising Annealing None of these Tempering ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermometer bulb & capillary in case of mercury filled pressure spring expansion thermometer is normally made of __________ as mercury does not amalgamate with it. Copper alloys Stainless steel Monel Copper Copper alloys Stainless steel Monel Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Graphite is corroded by Sea water Sulphuric acid (10%) Hydrochloric acid None of these Sea water Sulphuric acid (10%) Hydrochloric acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material of construction of bearings is Pig iron Cast iron Steel Babbit metal Pig iron Cast iron Steel Babbit metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction To improve the machinability of steel by its softening, it is subjected to Cold working Annealing Heating Shot blasting Cold working Annealing Heating Shot blasting ANSWER DOWNLOAD EXAMIANS APP
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