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 25 of 39

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Q241.
A flow through a long pipe at decreasing rate is called __________ uniform flow.
Discuss
Answer: (b).unsteady
Q242.
The surface tension of mercury at normal temperature is __________ that of water.
Discuss
Answer: (c).higher than
Q243.
The celerity (velocity) of a pressure wave in a fluid is given by (where K = Bulk modulus, and ฯ = Density of the fluid)
Discuss
Answer: (b).K/ฯ
Q244.
The pressure intensity in kN/m² (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface)
Discuss
Answer: (b).wh
Q245.
The hydraulic gradient line is always parallel to the centre line of the pipe.
Discuss
Answer: (b).Incorrect
Discuss
Answer: (b).atmospheric pressure
Q247.
A closed tank is completely filled with an oil. If it is made to move with a horizontal acceleration, then the pressure at the back end will be more than that at the front end.
Discuss
Answer: (a).Correct
Q248.
When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
Discuss
Answer: (a).varies as the square of the radial distance
Q249.
The specific weight of compressible fluids does not remain constant.
Discuss
Answer: (a).True
Q250.
The property of a liquid which offers resistance to the movement of one layer of liquid over another adjacent layer of liquid, is called
Discuss
Answer: (d).viscosity