Explore topic-wise MCQs in Fluid Mechanics.

This section includes 18 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

During a subcritical flow, what is value of Froude’s number?

A. Zero
B. Greater than one
C. Less than one
D. Not defined
Answer» D. Not defined
2.

Height of the hydraulic is similar to its length and is used to know the design of water structures.

A. True
B. False
Answer» B. False
3.

Length of a hydraulic pump is often difficult to measure due to _________

A. Changes in turbulence
B. Temperature changes
C. Pressure changes
D. Volumetric changes
Answer» B. Temperature changes
4.

Energy is not conserved throughout the hydraulic jump.

A. True
B. False
Answer» B. False
5.

LENGTH_OF_A_HYDRAULIC_PUMP_IS_OFTEN_DIFFICULT_TO_MEASURE_DUE_TO__________?$

A. Changes in turbulence
B. Temperature changes
C. Pressure changes
D. Volumetric changes
Answer» B. Temperature changes
6.

During a subcritical flow, what is value of Froude’s number?$#

A. Zero
B. Greater than one
C. Less than one
D. Not defined
Answer» D. Not defined
7.

Height_of_the_hydraulic_is_similar_to_its_length_and_is_used_to_know_the_design_of_water_structures.$

A. True
B. False
Answer» B. False
8.

During a strong jump, the value of Froude lies in between________

A. 1 to 2.5
B. Greater than 9
C. Less than 1
D. 4.5 to 9
Answer» C. Less than 1
9.

During a steady jump, the value of Froude lies in between________

A. 1 to 2.5
B. 2.5 to 4.5
C. Less than 1
D. 4.5 to 9
Answer» E.
10.

During an oscillating jump, the value of Froude lies in between________

A. 1 to 2.5
B. 2.5 to 4.5
C. Less than 1
D. Zero
Answer» B. 2.5 to 4.5
11.

During a weak jump, the value of Froude lies in between________

A. 1 to 2.5
B. 2.5 to 3.5
C. Less than 1
D. Zero
Answer» B. 2.5 to 3.5
12.

Energy is not conserved throughout the hydraulic jump?

A. True
B. False
Answer» B. False
13.

Give an example of man-made hydraulic jumps?

A. Normal
B. Low
C. High
D. Zero
Answer» C. High
14.

An example of common hydraulic jump is________

A. Surge tank
B. Pump
C. Sink
D. Air cooler
Answer» D. Air cooler
15.

How do we produce equations describing the jump?

A. Conserving the momentum
B. Conserving the mass
C. Conserving the pressure
D. Conserving the heat
Answer» B. Conserving the mass
16.

Which among the following is not the purpose of a hydraulic jump?

A. Mix chemicals
B. Dissipate heat
C. Increasing temperature and pressure
D. Aeration device
Answer» D. Aeration device
17.

Classical jump occurs when________

A. Temperature changes
B. Pressure changes
C. Supercritical to subcritical change
D. Volumetric changes
Answer» D. Volumetric changes
18.

Hydraulic jump in a rectangular channel is also called _________

A. Closed channel jump
B. Open channel jump
C. Rectangular jump
D. Shallow fluid jump
Answer» D. Shallow fluid jump