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