If average heat transfer co-efficient is ha and the local coefficient at the end of the plate is hl then in case of heat transfer to a fluid flowing over a flat plate, heated over its entire length________________?

Related Mcqs:

Reason for operating an evaporator in multiple effects is to secure ___________________?

A. Increased steam economy B. Decreased steam consumption C. Both A. and B. D. Increased capacity...

In a single evaporator system, the steam economy ________________ by creating vacuum in the evaporator?

A. Increases B. Decreases C. Remain constant D. May increase or decrease, depends on the vacuum...

The characteristic dimensionless groups for heat transfer to a fluid flowing through a pipe in laminar flow are_______________?

A. Re.Gz B. Nu, Pr C. Nu, Pr, Re D. Nu, Gz...

In forced convection, the Nusselt number is a function of ____________________?

A. Re and Pr B. Re and Gr C. Pr and Gr D. Re and Sc...

The Sieder-Tate correlation for heat transfer in turbulent flow in pipe gives Nu α Re0.8, where, Nu is the Nusselt number and Re is the Reynolds number for the flow. Assuming that this relation is valid, the heat transfer co-efficient varies with the pipe diameter D. as _________________?

A. D-1.8 B. D-0.2 C. D0.2 D. D1.8...