Materials and Construction __________ is a donor impurity for semi-conductors. Boron Antimony Gallium None of these Boron Antimony Gallium None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for bearings is a____base alloy. Tin Lead Aluminium Copper Tin Lead Aluminium Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Nickel Arsenic copper Aluminium Magnesium Nickel Arsenic copper Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not a copper based alloy with nickel? German silver Inconel Constantan Monel metal German silver Inconel Constantan Monel metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For storing water and acid free benzol, use a __________ vessel. Steel None of these Karbate Stainless steel Steel None of these Karbate Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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