Chemical Engineering Basics Sub zero treatment of steel is done to Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening Enhance its working performance in sub zero atmosphere Reduce the retained austenite in hardened steel Suppress martensite transformation Induce temper brittleness after its hardening ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Which of the following materials has the maximum shrinkage allowance ? Brass Cast iron Aluminium alloy Lead Brass Cast iron Aluminium alloy Lead ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics Parallel straight line pattern of temperature distribution for both hot and cold fluids is observed in case of heat exchanger of the type Parallel flow with unequal heat capacities Counter flow with equal heat capacities Parallel flow with equal heat capacities Counter flow with unequal heat capacities Parallel flow with unequal heat capacities Counter flow with equal heat capacities Parallel flow with equal heat capacities Counter flow with unequal heat capacities ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following : Rain of molten lead Blast of air Jet of water at high pressure Mixture of water and air Rain of molten lead Blast of air Jet of water at high pressure Mixture of water and air ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics 1% concentration of water vapor in air is equivalent to __________ ppm (parts per million). 100 10000 1000 10 100 10000 1000 10 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Basics The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity. None of these 100 50 None of these 100 50 ANSWER DOWNLOAD EXAMIANS APP
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