Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric None of these Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hot working of lead is carried out at 150° C 373° K 75° C Room temperature 150° C 373° K 75° C Room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rubber lined vessels are corroded by the action of All of these Aqua regia Chloroform Sulphuric acid (95%) All of these Aqua regia Chloroform Sulphuric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a nickel based alloy? Nimonics Inconel Babbit metal Hastelloys Nimonics Inconel Babbit metal Hastelloys ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper? Muntz metal Admirability gun metal Pewter metal German silver Muntz metal Admirability gun metal Pewter metal German silver 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
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