Process Equipment And Plant Design MCQ Questions & Answers | Chemical Engineering Page-6 section-1

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6

26.
Value of Peclet number = ∞, is the representative of

A. Laminar flow

B. Complete back mixing

C. Plug flow

D. Eddy diffusivity = 0

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27.
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

A. Sieve

B. Valve

C. Counterflow

D. Bubble cap

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28.
The normal range of velocity of steam in pipes is __________ m/sec.

A. 0.1-0.5

B. 1-5

C. 10-20

D. 80-100

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29.
For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³.μ = fluid viscosity, centipoise D_i = optimum inside pipe diameter, inches)

A. D_{i, opt} = 3.9 Q^0.45.ρ^0.13

B. D_{i, opt} = 3.9 Q^0.45.μ^0.95

C. D_{i, opt} = 4.7 Q^0.36.μ^3.2ρ^0.13

D. D_{i, opt} = 3 Q^0.36.μ^0.88

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30.
Rate of filtrate delivery is inversely proportional to the

A. Filtering area & the pressure difference driving force

B. Viscosity of filtrate

C. Cake & filter medium resistance

D. Both A & B

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Process Equipment And Plant Design MCQ Questions & Answers | Chemical Engineering

26. Value of Peclet number = ∞, is the representative of

Answer & Solution

27. For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

Answer & Solution

28. The normal range of velocity of steam in pipes is __________ m/sec.

Answer & Solution

29. For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft3/sec.ρ = fluid density, lb/ft3.μ = fluid viscosity, centipoise Di = optimum inside pipe diameter, inches)

Answer & Solution

30. Rate of filtrate delivery is inversely proportional to the

Answer & Solution

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26.
Value of Peclet number = ∞, is the representative of

27.
For identical operating conditions, the pressure drop over __________ tray is the highest out of the following.

28.
The normal range of velocity of steam in pipes is __________ m/sec.

29.
For turbulent flow (NRe > 2100) of low viscosity fluid (μ > 20cp) in steel pipes, the optimum inside pipe diameter is given by (where, Q = fluid flow rate, ft³/sec.ρ = fluid density, lb/ft³.μ = fluid viscosity, centipoise D_i = optimum inside pipe diameter, inches)

30.
Rate of filtrate delivery is inversely proportional to the