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.Management Sciences
A. Δt1/2
B. Δt2
C. Δt5/4
D. Δt
Related Mcqs:
- For a liquid in laminar flow through a very long tube, when the exit fluid temperature approaches the wall temperature, the equation to be used is______________?
- A. Nu = 0.023 Re0.8. Pr0.4 B. Nu = (π/2) Gz C. Nu = (2/π) Gz D. Nu = 2Gz0.5...
- jH factor for heat transfer depends upon the ____________ number?
- A. Biot B. Nusselt C. Reynolds D. Prandtl...
- LMTD for evaporators & condensers for a given terminal parameters & set of conditions for counter-flow is equal to that for parallel flow. In such heat exchangers, with one of the fluids condensing or evaporating, the surface area required is the least in the ______________ flow?
- A. Parallel B. Mixed C. Counter flow D. Same in either A , B. or C....
- With increase in temperature, the thermal conductivity of a gas ___________________?
- A. Increases B. Decreases C. Remain same D. May increase or decrease depending on the type of gas...
- Viscous & heat sensitive liquids are concentrated in _____________ evaporators?
- A. Open pan B. Long tube C. Agitated film D. None of these...
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