Heat Transfer Heat flux, as defined in heat flow is analogous to __________ in electricity flow. Voltage Current Resistance None of these Voltage Current Resistance None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer At constant temperature, the thermal conductivities of gases __________ with rise in pressure. Remain unchanged May increase or decrease; depends on the pressure Decrease Increase Remain unchanged May increase or decrease; depends on the pressure Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Solid angle subtended by the finite surface at the radiating element is called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians called the view factor. called the angle of vision proportional to the square of the distance between surfaces expressed in terms of radians ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is unimportant in forced convection ? Prandtl number Reynolds number Grashhoff number none of the listed here Prandtl number Reynolds number Grashhoff number none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Water is normally used as a coolant in the heat exchange equipments mainly because ofits Abundance & high heat capacity Low viscosity Low density High fluidity Abundance & high heat capacity Low viscosity Low density High fluidity ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer With the increase of temperature, the Col-burn jH factor May increase or decrease ; depending on temperature Increases Decreases Remains unchanged May increase or decrease ; depending on temperature Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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