Materials and Construction __________ can replace tungsten in high speed steel, Molybdenum Cobalt Vanadium Chromium Molybdenum Cobalt Vanadium Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Very low strength to weight ratio Very high cost Scarce availability Rather low tensile strength Very low strength to weight ratio Very high cost Scarce availability Rather low tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion Acid resistant, brittle and very hard High silicon iron All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion 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 All of these Low thermal conductivity High co-efficient of thermal expansion High corrosion resistance All of these Low thermal conductivity High co-efficient of thermal expansion High corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases Hardness & brittleness increases Both A & B Neither A nor B Ductility decreases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper? Pewter metal Admirability gun metal German silver Muntz metal Pewter metal Admirability gun metal German silver Muntz metal ANSWER DOWNLOAD EXAMIANS APP
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