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 37medium
While starting an axial flow pump, its delivery valve should be kept
Question 39hard
The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by (where, x = each side of the square duct)
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Question 40hard
Which of the following is the most common pump for pumping either raw sewage or sludge?
Question 41medium
The resistance wire used in a hot wire anemometer for conducting electrical current is made of
Question 42hard
Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head.
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Question 44medium
Which of the following is used for very accurate measurement of flow of gas at low velocity?