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 8 of 39

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Q71.
The depth of water in a channel corresponding to the minimum specific energy is known as critical depth.
Discuss
Answer: (a).Agree
Q72.
The ratio of the inertia force to the gravity force is called Froude number.
Discuss
Answer: (a).Agree
Discuss
Answer: (c).The length of divergent portion in a venturimeter is equal to the convergent portion.
Q74.
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
Discuss
Answer: (a).it is easier to see through the glass tube
Q75.
The viscosity of a liquid is due to cohesion of its particles.
Discuss
Answer: (a).Correct
Discuss
Answer: (c).loss of head and discharge of both the pipes is same
Q77.
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be
Discuss
Answer: (a).double
Q78.
The viscosity of water is __________ than that of mercury.
Discuss
Answer: (a).higher
Q79.
An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity)
Discuss
Answer: (a).tan ฮธ = a/g
Discuss
Answer: (d).directly proportional to H5/2