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 613hard
In case of unsteady fluid flow, conditions & flow pattern change with the passage of time at a position in a flow situation. Which of the following is an example of unsteady flow?
Question 614easy
__________ pumps are a group of vacuum pumps.
Question 615hard
A spherical particle is falling slow in a viscous liquid such that Reynolds number is less than 1. Which statement is correct for this situation?
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Question 616hard
The time taken for gravity flow of a fixed volume of liquid (as in Redwood viscometer) is directly proportional to its
Question 617medium
Bernoulli's equation is dependent on the
Question 618hard
The speed of a sound wave in a gas is analogous to the speed of
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Question 619medium
Newton's law of viscosity relates the
Question 620easy
Priming is needed in a __________ pump.
Question 621hard
A hydraulic press has a ram of 10 cms in diameter and a plunger of 1 cm in diameter. The force required on the plunger to raise a weight of 10 tons on the ram is __________ kg.