Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Constantan Chromel Kanthal German silver Constantan Chromel Kanthal German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its strength Increases its hardness Is desirable Makes it brittle Increases its strength Increases its hardness Is desirable Makes it brittle ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of water Prevent the action of oxygen Harden the surface Increase its glossiness and lustre Prevent the action of water Prevent the action of oxygen Harden the surface Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Glass wool and 85% magnesia Vermiculite Slag wool Ceramic fibre blanket Glass wool and 85% magnesia Vermiculite Slag wool Ceramic fibre blanket ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Monel metal is an alloy of Molybdenum and nickel Molybdenum and aluminium Nickel and copper Molybdenum and zinc Molybdenum and nickel Molybdenum and aluminium Nickel and copper Molybdenum and zinc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of high amount of silicon in cast iron Reduces its fluidity Increases the formation of graphite Increases the contraction of the metal Suppresses the decomposition of Fe₃ C Reduces its fluidity Increases the formation of graphite Increases the contraction of the metal Suppresses the decomposition of Fe₃ C ANSWER DOWNLOAD EXAMIANS APP
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