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 3 of 39

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Q21.
The discharge over a rectangular notch is (where b = Width of notch, and H = Height of liquid, above the sill of the notch)
Discuss
Answer: (c).Cd x b2g x H3/2
Q22.
The discharge through a siphon spillway is
Discuss
Answer: (a).Cd x a2gH
Q23.
The maximum discharge over a broad crested weir is
Discuss
Answer: (d).1.71 Cd x L x H3/2
Q24.
In a venturimeter, the velocity of liquid at throat is __________ than at inlet.
Discuss
Answer: (a).higher
Q25.
The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number)
Discuss
Answer: (c).16/RN
Q26.
The coefficient of viscosity may be determined by
Discuss
Answer: (d).all of these
Discuss
Answer: (d).all of these
Q28.
An ideal fluid is frictionless and incompressible.
Discuss
Answer: (a).Correct
Discuss
Answer: (c).high pressure
Q30.
The centre of gravity of the volume of the liquid displaced is called
Discuss
Answer: (b).centre of buoyancy