Heat Transfer For a given ambient air temperature with increase in the thickness of insulation of a hot cylinderical pipe, the rate of heat loss from the surface would First increase and then decrease Decrease Increase First decrease and then increase First increase and then decrease Decrease Increase First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number is the ratio of the temperature gradient at the wall to Temperature difference That across the entire pipe Heat flux None of these Temperature difference That across the entire pipe Heat flux None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C. 100-500 18537 5000-15000 1000-1500 100-500 18537 5000-15000 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? mercury dowtherm None of the listed here liquid metal mercury dowtherm None of the listed here liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A __________ evaporator employs an annular downtake. None of these Horizontal Long tube vertical Basket type None of these Horizontal Long tube vertical Basket type ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer An insulator should have Less resistance to heat flow A porous structure Low thermal conductivity High thermal conductivity Less resistance to heat flow A porous structure Low thermal conductivity High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
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