Fluid Mechanics for Chemical MCQs

724 MCQs  — Chemical Engineering MCQs  (Page 38 of 73)

Attempt Fluid Mechanics for Chemical Quiz
For a particle settling in water at its terminal settling velocity, which of the following is true ?
A. Buoyancy = weight + drag
B. Weight = buoyancy + drag
C. Drag = buoyancy + weight
D. Drag = weight
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Gear pump_________________?
A. Is a positive displacement pump
B. Is a centrifugal pump
C. Is a non-positive displacement pump
D. Can be started with delivery valve closed
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Most commonly used joint in the underground pipe lines is the________________?
A. Sleeve joint
B. Coupling
C. Flange
D. Expansion joint
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Ratio of pressure and inertia force gives ______________ number?
A. Weber
B. Mach
C. Euler
D. Froude
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With increasing flow rate, the hydraulic efficiency of a centrifugal pump__________________?
A. Monotonically decreases
B. Decreases and then increases
C. Remains constant
D. Increases and then decreases
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Steady uniform flow is represented by flow through a/an ___________________?
A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at constant rate
D. None of these
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A fluid is the one, which___________________?
A. Cannot remain at rest under the action of shear force
B. Continuously expands till it fills any container
C. Is incompressible
D. Permanently resists distortion
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Brownian movement is prominent in the particle size range of _____________ microns in case of settling of a particle in a fluid?
A. 2 to 3
B. 0.01 to 0.10
C. 200 to 300
D. 100 to 1000
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The velocity profile for turbulent flow through a closed conduit is_______________?
A. Logarithmic
B. Parabolic
C. Hyperbolic
D. Linear
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Nominal size of a pipe is an indication of its ______________ diameter?
A. Inner
B. Outer
C. Approximate
D. None of these
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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