Heat Transfer Asymptotic conditions is reached, when for a fluid flowing in laminar flow through a long tube Exit fluid temperature = wall temperature Exit-fluid temperature > wall temperature Graetz number > 100 Exit fluid temperature < wall temperature Exit fluid temperature = wall temperature Exit-fluid temperature > wall temperature Graetz number > 100 Exit fluid temperature < wall temperature ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Steam is routed through the tube in case of a __________ evaporator. Horizontal tube Short tube vertical Basket type Long tube vertical Horizontal tube Short tube vertical Basket type Long tube vertical ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Dietus-Boelter equation used for the determination of heat transfer co-efficient is valid for fluids in tubulent flow when Grashhoff number is very important for fluids in laminar flow none of the listed here for fluids in tubulent flow when Grashhoff number is very important for fluids in laminar flow none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Which of the following is not concerned with the heat transfer? Peclet number Brinkman number Stanton number Schmidt number Peclet number Brinkman number Stanton number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer In a liquid-liquid heat exchanger, for the same process temperature, the ratio of the LMTD in parallel flow to the LMTD in counter flow is always > 1 ∞ < 1 1 > 1 ∞ < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Heat Transfer Forced circulation evaporators are useful for the concentration of viscous, salting and scale forming liquors. Which of the following is a forced circulation evaporator? Long vertical evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator Long vertical evaporator Horizontal tube evaporator Calenderia vertical tube evaporator Agitated film evaporator ANSWER DOWNLOAD EXAMIANS APP
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