Heat Transfer The ratio of total radiating power to the absorptivity of the body depends upon the __________ as per Kirchoffs law. Temperature of the body None of these Wavelength of radiation Nature of the body Temperature of the body None of these Wavelength of radiation Nature of the body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In case of __________ boiling, the liquid temperature is below the saturation temperature and the boiling takes place in the vicinity of the heated surface. Saturated Nucleate Local Pool Saturated Nucleate Local Pool ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, floating head is used for Less corrosion of tubes Low pressure drop High heat transfer co-efficient Large temperature differentials Less corrosion of tubes Low pressure drop High heat transfer co-efficient Large temperature differentials ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Remain unchanged Decrease Increase May increase or decrease; depends on the pressure Remain unchanged Decrease Increase May increase or decrease; depends on the pressure ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Electromagnetic radiations propagate in vacuum with a velocity of __________ metre/second. 3 x l05 3 x l010 3 x l08 3 x l012 3 x l05 3 x l010 3 x l08 3 x l012 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Graetz number is concerned with the absorption with chemical reaction heat transfer in laminar flow heat transfer in turbulent flow mass transfer between a gas and a liquid absorption with chemical reaction heat transfer in laminar flow heat transfer in turbulent flow mass transfer between a gas and a liquid ANSWER DOWNLOAD EXAMIANS APP
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