At Pr > 1, conduction in an ordinary fluid flowing through a heated pipe is limited to the___________________?

Related Mcqs:

Critical value of the _____________ number governs the transition from laminar to turbulent flow in free convection heat transfer?

A. Grashoff B. Reynolds C. Both ‘a’ & ‘b’ D. Prandtl & Grashoff...

Minimum recommended baffle spacing in a shell and tube heat exchanger is about (where, D = shell diameter)?

A. 0.2 D B. 0.5 D C. 0.66 D D. 0.80 D...

In case of a multipass shell and tube heat exchanger, providing a baffle on the shell side ______________ the heat transfer rate?

A. Increases B. Decreases C. Does not affect D. May increase or decrease, depends on the type of baffle...

Prandtl number is the ratio of________________?

A. Mass diffusivity to thermal diffusivity B. Momentum diffusivity to thermal diffusivity C. Thermal diffusivity to mass diffusivity D. Thermal diffusivity to momentum diffusivity...

In a parallel flow heat exchanger, if the outlet temperature of hot and cold fluids are the same, then the log mean temperature difference (LMTD) is_________________?

A. Minimum B. Maximum C. Zero D. Infinity...