Materials and Construction Which of the following pairs of elements may form an alloy? Iron & carbon Iron & mercury Platinum & mercury None of these Iron & carbon Iron & mercury Platinum & mercury None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of Copper Aluminium Brass High carbon steel Copper Aluminium Brass High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium storage vessel can be used to store Hydrochloric acid (10%) None of these Ferrous sulphate Aqua regia Hydrochloric acid (10%) None of these Ferrous sulphate Aqua regia ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Caustic soda solution None of these Sulphuric acid (10%) Phosphoric acid Caustic soda solution None of these Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the first & second Above the highest Above the lowest Between the second & third Between the first & second Above the highest Above the lowest Between the second & third 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 Invar Constantan Chromel Alumel Invar Constantan Chromel ANSWER DOWNLOAD EXAMIANS APP
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