Heat Transfer Fourier's law of heat conduction applies to __________ surfaces. Neither A and B Non-isothermal Isothermal Both A and B Neither A and B Non-isothermal Isothermal Both A and B ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not used as a medium for high temperature heating ? None of the listed here dowtherm mercury liquid metal None of the listed here dowtherm mercury liquid metal ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The ratio of momentum diffusivity to thermal diffusivity is the __________ number. Nusselt Stanton Grashoff Prandtl Nusselt Stanton Grashoff Prandtl ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In the equation Q = UAΔt; Δt is Arithmetic mean temperature difference Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids Arithmetic mean temperature difference Logarithmic mean temperature difference Geometric mean temperature difference The difference of average bulk temperatures of hot and cold fluids ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A diathermaneous substance __________ the thermal radiation completely. Reflects Absorbs Transmits None of these Reflects Absorbs Transmits None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The purpose of providing expansion bellows in the shell of tubular exchanger is to Impart structural strength Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles Impart structural strength Facilitate increase of shell length, if needed Increase the heating load Account for the uneven expansion of shell and tube bundles ANSWER DOWNLOAD EXAMIANS APP
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