Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed Account for the uneven expansion of shell and tube bundles Increase the heating load Impart structural strength Facilitate increase of shell length, if needed ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The Stefan-Boltzman constant depends on the Medium None of these Surface Temperature Medium None of these Surface Temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer by conduction results due to the transfer of free electrons, kinetic energy & vibrational energy from one molecule to another. Conduction heat transfer can not take place Between two bodies in physical contact with each other Between two bodies not in physical contact with each other Both B & C From one part of a body to the another part of the same body Between two bodies in physical contact with each other Between two bodies not in physical contact with each other Both B & C From one part of a body to the another part of the same body ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Prandtl and Reynolds analogy are same, when Prandtl number is 1 1.5 > 2 0.5 1 1.5 > 2 0.5 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. Linear Parabolic Hyperbolic Logarithmic Linear Parabolic Hyperbolic Logarithmic ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In which mode of heat transfer, the Biot number is important? Forced convection Radiation Transient heat conduction Natural convection Forced convection Radiation Transient heat conduction Natural convection ANSWER DOWNLOAD EXAMIANS APP
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