Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.02 0.2 0.35 0.5 0.02 0.2 0.35 0.5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum consumption of lead is in the manufacture of Electric cable sheathing Storage batteries Lead lined vessels Solder alloys Electric cable sheathing Storage batteries Lead lined vessels Solder alloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by Acetic acid v None of these Dilute HC₁ Acetic acid v None of these Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloy steels has the energy saving properties making it suitable for use in electrical machines? Molybdenum steel None of these Silicon steel Chromium steel Molybdenum steel None of these Silicon steel Chromium steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction How many molecules per unit cell are there in a face centred cubic lettice? 4 2 6 8 4 2 6 8 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 High corrosion resistance 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 ANSWER DOWNLOAD EXAMIANS APP
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