Materials and Construction Kel-F is a material, which is All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold work tool steel should have All of these High toughness High wear resistance Poor hardenability All of these High toughness High wear resistance Poor hardenability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Diamagnetic materials are magnetised Only slightly With eddy currents only In a direction opposite to that of the applied field Strongly Only slightly With eddy currents only In a direction opposite to that of the applied field Strongly ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material in Mho's scale (for measuring hardness) is Gypsum Rubber Talc None of these Gypsum Rubber Talc None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Both B & C Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Both B & C 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 Low thermal conductivity High co-efficient of thermal expansion All of these High corrosion resistance Low thermal conductivity High co-efficient of thermal expansion All of these ANSWER DOWNLOAD EXAMIANS APP
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