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 24 of 39

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Q231.
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is
Discuss
Answer: (b).1.417 H^5/2
Q232.
According to Bazin, the coefficient of discharge varies with the height of water over the sill of a weir.
Discuss
Answer: (a).Correct
Q233.
Falling drops of water become spheres due to the property of
Discuss
Answer: (a).surface tension of water
Q234.
The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.
Discuss
Answer: (a).Agree
Q235.
Whenever a plate is held immersed at some angle with the direction of flow of the liquid, it is subjected to some pressure. The component of this pressure, in the direction of flow of the liquid, is known as
Discuss
Answer: (b).drag
Q236.
The height of a water column equivalent to a pressure of 0.15 MPa is
Discuss
Answer: (a).15.3 m
Discuss
Answer: (a).pressure energy + kinetic energy + potential energy
Q238.
A notch is used to measure __________ of liquids.
Discuss
Answer: (b).discharge
Q239.
A flow is called sonic, if the Mach number is unity.
Discuss
Answer: (a).Agree
Q240.
An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch,
Discuss
Answer: (d).2.5%