Heat Transfer All analogy equations connecting friction factor and heat transfer co-efficient apply only to Turbulent flow Wall or skin friction Both A and B Form friction Turbulent flow Wall or skin friction Both A and B 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 Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment Heat transfer area Heat transfer co-efficient Temperature gradient Mechanical strength of the equipment 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 45 37 32 50 45 37 32 50 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 Heat transfer area Heating volume Nusselt number None of these Heat transfer area Heating volume Nusselt number None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Multiple effect evaporation accounts for Lower operating costs Investment economy Steam economy None of these Lower operating costs Investment economy Steam economy None of these ANSWER DOWNLOAD EXAMIANS APP
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