Materials and Construction Which of the following is not an alloy of copper? Admirability gun metal Muntz metal Pewter metal German silver Admirability gun metal Muntz metal Pewter metal German silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Coke oven regenerators are made of __________ bricks. Silica Low thermal conductivity Fire clay High electrical conductivity Silica Low thermal conductivity Fire clay High electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 80 90 50 70 80 90 50 70 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) Noble metals (Ag, Pt, Au) Aluminium Zinc Alkali metals (K, Na, Li) Noble metals (Ag, Pt, Au) Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Have very poor fatigue resistance Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness ANSWER DOWNLOAD EXAMIANS APP
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