Fluid Mechanics MCQs
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 181hard
The equation relating friction factor to Reynold number, $${{\text{f}}^{ - 0.5}} = 4{\log _{\text{e}}}{\left( {\frac{{{{\text{N}}_{{\text{Re}}}}}}{{\sqrt {\text{f}} }}} \right)^{ - 0.4}},$$ is called the __________ equation.
Question 182medium
Friction produced by the formation of wakes is called the __________ friction.
Question 183hard
Centre of pressure of a plane surface of arbitrary shape immersed vertically in a static mass of fluid
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Question 184hard
What is the co-efficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its vena-contracta?
Question 185easy
Sewage sludge is an example of the __________ fluid.
Question 186hard
Non-colloidal solution is an example of the __________ fluid.
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Question 187hard
Fluid flow at increasing rate through a diverging pipe is an example of __________ flow.
Question 188hard
The flow of a liquid through tapering pipe at a constant rate is an example of __________ flow.
Question 189hard
Gradually varying fluid flow is an example of __________ flow.