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Heat Transfer

Heat Transfer
(NRe.NPr)(D/L) is called the __________ number

Stanton
Graetz
None of these
Peclet

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Heat Transfer
What is the steam economy in case of a single effect evaporator system?

1
< 1
>1
0.1

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Heat Transfer
Heat transfer rate per unit area is called

thermal diffusivity
heat transfer co-efficient
heat flux
thermal conductivity

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Heat Transfer
Steam side heat transfer co-efficient in an evaporator is in the range of __________ kcal/hr.m²°C.

18537
100-500
5000-15000
1000-1500

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Heat Transfer
Nusselt number is a function of Prandtl number and __________ number of fluid in natural convection heat transfer.

Biot
Stantan
Grashoff
Reynolds

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Heat Transfer
Increasing the liquor level in the evaporator results in the

increase in liquor film co-efficient
decreased capacity
decreased effect of hydrostatic head
increased true temperature drop

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MORE MCQ ON Heat Transfer

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