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 19 of 39

Discuss
Answer: (a).gravitational force is equal to the upthrust of the liquid
Q182.
Gauge pressure at a point is equal to the absolute pressure __________ the atmospheric pressure.
Discuss
Answer: (b).minus
Q183.
The velocity at which the flow changes from laminar flow to turbulent flow is called
Discuss
Answer: (a).critical velocity
Discuss
Answer: (c).the sloping side is equal to half the width at the top
Q185.
The vacuum pressure is always the negative gauge pressure.
Discuss
Answer: (a).Yes
Q186.
The value of coefficient of discharge is __________ the value of coefficient of velocity.
Discuss
Answer: (a).less than
Q187.
When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as
Discuss
Answer: (d).submerged weir
Q188.
The pressure of a liquid measured with the help of a piezometer tube is
Discuss
Answer: (b).gauge pressure
Q189.
The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the
Discuss
Answer: (a).pressure head
Discuss
Answer: (b).the liquid particles at different sections have different velocities