Materials and Construction As the impurities are oxidised, the melting point of iron May increase or decrease ; unpredictable Remains unchanged Decreases Increases May increase or decrease ; unpredictable Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The 'bomb' in the bomb calorimeter is made of Molybdenum stainless steel Mild steel Copper High silicon iron (14% Si) Molybdenum stainless steel Mild steel Copper High silicon iron (14% Si) 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. 0.5 0.35 0.2 0.02 0.5 0.35 0.2 0.02 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have 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 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most of the common metals have __________ crystal structure. None of these Orthorhombic Hexagonal Cubic None of these Orthorhombic Hexagonal Cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in the carbon percentage in the steel, its Tensile strength increases All of these Hardness increases Ductility reduces Tensile strength increases All of these Hardness increases Ductility reduces ANSWER DOWNLOAD EXAMIANS APP
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