Materials and Construction Locomotive boiler tubes are made of __________ alloys. Magnesium Nickel Arsenic copper Aluminium Magnesium Nickel Arsenic copper Aluminium 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 Low thermal conductivity 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in the uncombined (graphitic) form in case of None of these Steel Ferroalloy Cast iron None of these Steel Ferroalloy Cast iron 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 third Half One twelfth One fifth One third Half One twelfth One fifth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The specific gravity of coal depends mainly on its __________ content. Carbon Moisture Ash Volatile matter Carbon Moisture Ash Volatile matter ANSWER DOWNLOAD EXAMIANS APP
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