Hydraulics MCQs

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

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

Hydraulics MCQs | Page 4 of 29

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Q31.
The ratio of time for completely emptying the hemispherical tank and circular horizontal tank of equal radii both fitted with similar orifices at their bottoms is :

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q32.
To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q33.
If a1 and a2 are the cross-sectional areas of a tank and orifice, h the height of water level in tank above the centre of the orifice, the velocity of approach is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q34.
If E1 and E2 are the specific energies at the start of back water curve and at the maximum rise of water respectively and ib and ie are the head slope and the energy line slope respectively, the length of back water (L) is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q35.
The velocity of flow at the critical depth (hc) is called critical velocity (Vc) which is equal to

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q36.
Mass density of liquid (ρ) is given by

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q37.
The initial difference between liquid levels of two identical cylindrical vessels having their area of cross-section A, is H. Flow time T from one vessel to another through an orifice having coefficient of discharge Cd and area a will be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q38.
If H is the difference of liquid levels on two sides of an orifice (width b, depth d), the discharge through the orifice will be

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q39.
A load w is rolled a distance d across the deck of a ship of weight W, due to which the ship heels through θ°. The metacentric height of the ship, is

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q40.
If a pitot tube is placed with its nose facing down stream, the liquid

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
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