Fluid Mechanics MCQs

815 questionsChemical-EngineeringPage 9 of 91

Practice free Fluid Mechanics multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 815 questions — no login required.

Question 73medium
Lower BWG means __________ of the tube.
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Question 74medium
In magnetic flow meters, voltage generation is
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Question 75hard
Net positive suction head (NPSH) of a centrifugal pump must be
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Question 76hard
In a fully turbulent flow (Re > 105) in a pipe of diameter 'd', for a constant pressure gradient, the dependence of volumetric flow rate of an incompressible fluid is
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Question 77hard
A pressure head of 320 metres of water in meters of CCl4 (sp.gr = 1.6) will be
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Question 78hard
A fluidis $$\left( {\frac{\mu }{\rho } = 0.01{\text{ c}}{{\text{m}}^2}/\sec } \right)$$ moving at critical flow condition (NRe = 2100) through a pipe of dia 3 cms. Velocity of flow is __________ cm/sec.
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Question 79hard
Drag co-efficient for flow past immersed body is the ratio of __________ to the product of velocity head and density.
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Question 80medium
The co-efficient of discharge of an orificemeter is a function of
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Question 81medium
Maintenance cost of a __________ pump for a particular duty is the least.
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