Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum 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 Have very poor fatigue resistance Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Locomotive boiler tubes are made of __________ alloys. Nickel Aluminium Magnesium Arsenic copper Nickel Aluminium Magnesium Arsenic copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having lower hardness, reactivity and fusibility Having higher melting point Having lower electrical conductivity More corrosion resistant Having lower hardness, reactivity and fusibility Having higher melting point Having lower electrical conductivity More corrosion resistant ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following comprises of hydrocarbons? None of these Rubber Glass Mica flakes None of these Rubber Glass Mica flakes ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alpha iron is stable __________ °C. Above 1403 Above 1800 Between 910 & 1403 Upto 910 Above 1403 Above 1800 Between 910 & 1403 Upto 910 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Monel Cast iron Aluminium or chromium alloys (Cr > 18% for cold acid) Karbate Monel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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