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 Facilitate increase of shell length, if needed Impart structural strength Account for the uneven expansion of shell and tube bundles Increase the heating load Facilitate increase of shell length, if needed Impart structural strength ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat transfer efficiency leading of energy conservation in a heat exchanger can be achieved by Enhancing the fluid pumping rate Increasing the tube length None of these Keeping the heat transfer surface clean Enhancing the fluid pumping rate Increasing the tube length None of these Keeping the heat transfer surface clean ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Analogy between mass and heat transfer is not applicable in case of Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C Thermal or pressure mass diffusion Viscous heating or chemical reaction Same velocity profile or equal eddy diffusivities Both B and C Thermal or pressure mass diffusion ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer For a fluid flowing in an annulus space, the wetted perimeter for heat transfer and pressure drop are Different Same Never different Linearly related Different Same Never different Linearly related ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer __________ heat exchanger is used for chilling oil to be dewaxed. Fixed tube Floating head U-tube Double pipe Fixed tube Floating head U-tube Double pipe ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The left face of a one dimensional slab of thickness 0.2 m is maintained at 80°C and the right face is exposed to air at 30°C. The thermal conductivity of the slab is 1.2 W/m.K and the heat transfer co-efficient from the right face is 10 W/m².K. At steady state, the temperature of the right face in °C is 71.2 63.8 48.7 77.2 71.2 63.8 48.7 77.2 ANSWER DOWNLOAD EXAMIANS APP