Heat Transfer Which of the following is the most controlling factor for the rate of bubble detachment from the hot solid surface? Hot surface temperature Liquid density Liquid viscosity Interfacial tension Hot surface temperature Liquid density Liquid viscosity Interfacial tension ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivities of most of the liquids __________ with rise in temperature. Increases May increase or decrease; depends on the liquid Remains unchanged Decreases Increases May increase or decrease; depends on the liquid Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Removal of __________ heat is involved in the condensation of a vapor under saturated conditions. Latent Sensible Both B & C Super Latent Sensible Both B & C Super ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With increase in temperature, the thermal conductivity of steel Increases Remains unchanged Increases exponentially Decreases Increases Remains unchanged Increases exponentially Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the None of these Temperature Surface Medium None of these Temperature Surface Medium ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steady state one dimensional heat flow by conduction as given by Fourier's low does not assume that There is no internal heat generation Constant temperature gradient exists Material is anisotropic Boundary surfaces are isothermal There is no internal heat generation Constant temperature gradient exists Material is anisotropic Boundary surfaces are isothermal ANSWER DOWNLOAD EXAMIANS APP
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