Heat Transfer Agitated film evaporator is suitable for concentrating __________ liquids. Foaming Viscous Very thin Corrosive Foaming Viscous Very thin Corrosive ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nucleate boiling is promoted On rough surfaces None of these On polished surfaces In the absence of agitation On rough surfaces None of these On polished surfaces In the absence of agitation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The absorptivity of a grey body at a given temperature __________ with increasing wavelength of radiation. Remains constant Increases May increase or decrease ; depends on the material Decreases Remains constant Increases May increase or decrease ; depends on the material Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Isothermal Neither A and B Non-isothermal Both A and B Isothermal Neither A and B Non-isothermal Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For what value of Prandtl number, the Col-burn analogy is valid ? 1 to 103 l to 50 0.6 to 120 0.06 to 120 1 to 103 l to 50 0.6 to 120 0.06 to 120 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Kirchoff's law is applicable to Only volumes and not to surfaces Monochromatic radiation only Both A and B Total radiation only Only volumes and not to surfaces Monochromatic radiation only Both A and B Total radiation only ANSWER DOWNLOAD EXAMIANS APP
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