Heat Transfer In a shell and tube heat exchanger, floating head is used for Low pressure drop Less corrosion of tubes Large temperature differentials High heat transfer co-efficient Low pressure drop Less corrosion of tubes Large temperature differentials High heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Film boiling occurs at __________ pressure. negative very high atmospheric none of the listed here negative very high atmospheric none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Thermal conductivity of a gas at low density, __________ with increase in temperature. Remains unchanged May increase or decrease; depends on the gas Increases Decreases Remains unchanged May increase or decrease; depends on the gas Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Tubes are held between top and bottom tube sheets in Calenderia type evaporator by keeping Both the tube sheets floating Both the tube sheets fixed The top tube sheet floating and bottom tube sheet fixed The top tube sheet fixed and the bottom tube-sheet floating Both the tube sheets floating Both the tube sheets fixed The top tube sheet floating and bottom tube sheet fixed The top tube sheet fixed and the bottom tube-sheet floating ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Calburn analogy is applicable for the value of Prandtl number from 0.001 to 1 0.5 to 5 0.6 to 120 120 to 400 0.001 to 1 0.5 to 5 0.6 to 120 120 to 400 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer The advantage of using a 1 - 2 shell and tube heat exchanger over a 1 - 1 shell and tube heat exchanger is Lower tube side pressure drop Lower shell side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient Lower tube side pressure drop Lower shell side pressure drop Higher tube side heat transfer co-efficient Higher shell side heat transfer co-efficient ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS