Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Wall or skin friction Both A and B Turbulent flow Form friction Wall or skin friction Both A and B Turbulent flow Form friction ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The main purpose of providing fins on heat transfer surface is to increase the Heat transfer area Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient Heat transfer area Temperature gradient Mechanical strength of the equipment Heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Hot water (0.01 m³ /min) enters the tube side of a counter current shell and tube heat exchanger at 80°C and leaves at 50°C. Cold oil (0.05 m³/min) of density 800 kg/m³ and specific heat of 2 kJ/kg.K enters at 20°C. The log mean temperature difference in °C is approximately 37 45 50 32 37 45 50 32 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The rate of heat transfer is a product of overall heat transfer co-efficient, the difference in temperature and the Nusselt number Heat transfer area None of these Heating volume Nusselt number Heat transfer area None of these Heating volume ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Investment economy Steam economy None of these Lower operating costs Investment economy Steam economy None of these Lower operating costs ANSWER DOWNLOAD EXAMIANS APP
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