Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Concentrated H₂SO₄ None of these Dilute HCI Acetic acid Concentrated H₂SO₄ None of these Dilute HCI Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In hot wire aneomometer used for gas flow measurement, the wire is normally made of Copper Platinum Constantan Chromium Copper Platinum Constantan Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most elastic material? Plastic Steel Glass Rubber Plastic Steel Glass Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main purpose of galvanising iron sheets is to Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Monel alloy is Not used in cast and wrought forms Not suitable for making kitchen utensils The costliest of all the alloys of nickel Used for making steam valves and turbine blades as it resists steam attack at high temperature Not used in cast and wrought forms Not suitable for making kitchen utensils The costliest of all the alloys of nickel Used for making steam valves and turbine blades as it resists steam attack at high temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel will respond to hardening by heat treatment processes, only when the minimum carbon content in it is __________ percent. 0.35 0.2 0.02 0.5 0.35 0.2 0.02 0.5 ANSWER DOWNLOAD EXAMIANS APP
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