Materials and Construction Which of the following is the most widely used insulating material for steam carray-ing pipelines? Slag wool Glass wool and 85% magnesia Ceramic fibre blanket Vermiculite Slag wool Glass wool and 85% magnesia Ceramic fibre blanket Vermiculite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Zinc Alkali metals (K, Na, Li) Aluminium Noble metals (Ag, Pt, Au) Zinc Alkali metals (K, Na, Li) Aluminium Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon content in steel is __________ percent. 0.001-0.01 43927 43865 0.1-2 0.001-0.01 43927 43865 0.1-2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Eutectic Recrystallisation Upper critical Lower critical Eutectic Recrystallisation Upper critical Lower critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For platinum thermocouples, lead wires are made of Iron & nickel Copper & iron Copper & copper-nickel alloys Tin & nickel Iron & nickel Copper & iron Copper & copper-nickel alloys Tin & nickel ANSWER DOWNLOAD EXAMIANS APP
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