Heat Transfer In which mode of heat transfer, the Biot number is important? Natural convection Transient heat conduction Forced convection Radiation Natural convection Transient heat conduction Forced convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A sphere of radius 'R₁' is enclosed in a sphere of radius 'R₂'. The view (or shape) factor for radiative heat transfer of the outer sphere with respect to the inner sphere is R₂/(R₁+R₂) 1 (R₁/R₂)2 R₂/(R₁+R₂) 1 (R₁/R₂)2 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In an extended surface heat exchanger, fluid having lower co-efficient Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop Can flow either inside or outside the tubes Flows outside the tubes Flows through the tube Should not be used as it gives very high pressure drop ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Nusselt number (for forced convection heat transfer) is a function of the __________ number. Both Reynolds & Prandtl None of the listed here Prandtl Reynolds Both Reynolds & Prandtl None of the listed here Prandtl Reynolds ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer If the thermal conductivity of a wall material is independent of temperature, the steady state temperature distribution in the very large thin plane wall having steady, uniform surface tempeature follows __________ law. Hyperbolic Parabolic Logarithmic Linear Hyperbolic Parabolic Logarithmic Linear ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam trap is used to Stop the supply of steam Remove water resulting from partial condensation of steam None of these Condense the steam flowing in the pipeline Stop the supply of steam Remove water resulting from partial condensation of steam None of these Condense the steam flowing in the pipeline ANSWER DOWNLOAD EXAMIANS APP
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