Materials and Construction Which of the following pairs of elements may form an alloy? Iron & mercury Iron & carbon Platinum & mercury None of these Iron & mercury Iron & carbon Platinum & mercury None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (l/20th of ordinary metals)? Alumel Constantan Chromel Invar Alumel Constantan Chromel Invar ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Among the tin containing alloys, __________ consumes the maximum amount of tin. Pewter matal White metal Solder Bronzes Pewter matal White metal Solder Bronzes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Non-ferrous metals and hard steels do not exhibit a definite yield point, when pulled in the testing machine and hence for these cases, a better measure of their elastic properties is defined by the __________ stress. Ultimate Yield point None of these Proof Ultimate Yield point None of these Proof ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Aluminium Lead Wrought iron Copper Aluminium Lead Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Stainless steel is not corroded by Hydrochloric acid (10%) Saturated brine Nitric acid (10%) Sulphuric acid (10%) Hydrochloric acid (10%) Saturated brine Nitric acid (10%) Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP