Fouling factor must be included in the calculation of over all design heat transfer coefficient, when the liquid?

LohaHridoy
  1. Containing suspended solids flows at low velocity
  2. Containing suspended solids flows at high velocity
  3. Is highly viscous
  4. Is of high specific gravity

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AhmedNazir

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Answer: Option 1

Let'

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Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)?

Answer: Option 1 Let'

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Fouling factor for a heat exchanger is given by (where, U₁ = heat transfer co-efficient of dirty surface U₂ = heat transfer co-efficient of clean surface)?

Answer: Option 2 Let'

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The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called?

Answer: Option 4 Let'

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Answer: Option 3 Let'

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Which is the best tube arrangement (in a shell and tube heat exchanger) if the fluids are clean and non-fouling?

Answer: Option 2 Let'

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The design stress, which is more than the damaging stress, is the least unit stress that will render a member unfit for service before the end of its normal life. The design stress factor or factor of safety indicates the margin between design stress and the __________ stress.?

Answer: Option 2 Let'

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