Materials and Construction An alloy used as thermocouple material comprises of 40% nickel and 60% copper. Constantan German silver Chromel Kanthal Constantan German silver Chromel Kanthal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 70 90 80 50 70 90 80 50 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hammers and railway rails are normally made of Mild steel Dead mild steel High carbon steel Medium carbon steel Mild steel Dead mild steel High carbon steel Medium carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron alloyed with carbon upto 2% is called None of these Pig iron High carbon steel Wrought iron None of these Pig iron High carbon steel Wrought iron 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)? Constantan Invar Alumel Chromel Constantan Invar Alumel Chromel ANSWER DOWNLOAD EXAMIANS APP
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