Heat Transfer In Biot number, the characteristic length used is the ratio of the __________ of the solid. Volume to surface area Surface area to perimeter Surface area to volume Perimeter to surface area Volume to surface area Surface area to perimeter Surface area to volume Perimeter to surface area ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer A dephlegmator is a Double pipe heat exchanger Vacuum evaporator Partial condenser Total condenser Double pipe heat exchanger Vacuum evaporator Partial condenser Total condenser ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer LMTD correction factor which is to be applied for a cross-flow heat exchanger increases with increase in the number of shell passes. Its value for a single pass cross flow heat exchanger is >1 <1 Zero 1 >1 <1 Zero 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Heat sensitive materials can be concentrated in an evaporator employing Vacuum High residence time High pressure None of these Vacuum High residence time High pressure None of these ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a shell and tube heat exchanger, putting a longitudinal baffle across the shell, forces the shell side fluid to pass __________ through the heat exchanger. Twice Once Thrice Four times Twice Once Thrice Four times ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Viscosity of gases __________ with increase in temperature. Increase slowly Remain unaffected Increase very rapidly Decrease slowly Increase slowly Remain unaffected Increase very rapidly Decrease slowly ANSWER DOWNLOAD EXAMIANS APP
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