Hydraulics and Fluid Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Hydraulics and Fluid Mechanics, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Hydraulics and Fluid Mechanics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Hydraulics and Fluid Mechanics mcq questions that explore various aspects of Hydraulics and Fluid Mechanics problems. Each MCQ is crafted to challenge your understanding of Hydraulics and Fluid Mechanics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Hydraulics and Fluid Mechanics MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Hydraulics and Fluid Mechanics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Hydraulics and Fluid Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Hydraulics and Fluid Mechanics MCQs | Page 21 of 39

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Q201.
If the value of coefficient of discharge increases, the discharge through the orifice decreases.
Discuss
Answer: (b).False
Q202.
A point, in a compressible flow where the velocity of fluid is zero, is called
Discuss
Answer: (c).stagnation point
Discuss
Answer: (d).difference of pressures between two points in a pipe
Q204.
The metacentric height of a ship is 0.6 m and the radius of gyration is 4 m. The time of rolling of a ship is
Discuss
Answer: (c).10.4 s
Q205.
The point at which the resultant pressure on an immersed surface acts, is known as
Discuss
Answer: (c).centre of pressure
Q206.
A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be
Discuss
Answer: (c).2A × (โˆšHโ‚ - โˆšHโ‚‚)/Cd × a × โˆš(2g)
Q207.
The torque required to overcome viscous resistance of a collar bearing is (where R1 and R2 = External and internal radius of collar)
Discuss
Answer: (d).(ฮผฯ€²N/60t) × (Rโ‚โด - Rโ‚‚โด)
Q208.
The power transmitted through the nozzle is maximum when the head lost due to friction in the pipe is __________ of the total supply head.
Discuss
Answer: (b).one-third
Discuss
Answer: (d).Both a and b
Q210.
The flow at critical depth in an open channel is called torrential flow.
Discuss
Answer: (b).No