Fluid Mechanics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Fluid Mechanics, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our 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 Fluid Mechanics mcq questions that explore various aspects of Fluid Mechanics problems. Each MCQ is crafted to challenge your understanding of Fluid Mechanics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Fluid Mechanics MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of 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 Fluid Mechanics knowledge to the test? Let's get started with our carefully curated MCQs!

Fluid Mechanics MCQs | Page 73 of 77

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Q721.
A rectangular surface 3' x 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is (where, y = specific weight of water)
Discuss
Answer: (b).48y
Q722.
A bed of spherical particles (specific gravity 2.5) of uniform size 1500 ฮผm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below :

ฮ” P/L = 375 x 10³ Vโ‚’โ‚˜ + 10.94 x 10โถ V² โ‚’โ‚˜ (SI units)

If water is to be used as the fluidising medium, the minimum fluidisation velocity, Vโ‚’โ‚˜ is
Discuss
Answer: (b).16 mm/s
Discuss
Answer: (d).a flow which does not account for changes in transverse direction.
Q724.
The unit of velocity head is
Discuss
Answer: (c).ft-lbf/lb
Q725.
Which of the following properties of a fluid is responsible for offering resistance to shear ?
Discuss
Answer: (b).Viscosity.
Discuss
Answer: (a).cavitation.
Q727.
The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe.
Discuss
Answer: (b).parabola
Discuss
Answer: (d).outlet tip of a blade is towards the direction
Q729.
For the same terminal conditions and fitting size, the least friction loss is incurred in a/an
Discuss
Answer: (b).union
Discuss
Answer: (c).lies below its centre of buoyancy.