Explore topic-wise MCQs in Hydraulic Machines.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Hydraulic Machines knowledge and support exam preparation. Choose a topic below to get started.

1.

The velocities of the blade angles can be found out using ________

A. Mach number
B. Froude’s number
C. Velocity triangles
D. Reynolds number
Answer» D. Reynolds number
Discussion
2.

The efficiency of the vane is given by _________

A. 1-V22/ V12
B. 1-(V22/ V12)
C. V22/ V12
D. 1- V12
Answer» B. 1-(V22/ V12)
Discussion
3.

Internal cavitation occurs due to __________

A. Drag force
B. Cyclic stress
C. Shock waves
D. Flow speed
Answer» D. Flow speed
Discussion
4.

The velocities of the blade angles can be found out using ________$

A. Mach number
B. Froude’s number
C. Velocity triangles
D. Reynolds number
Answer» D. Reynolds number
Discussion
5.

The_efficiency_of_the_vane_is_given_by__________$

A. 1-V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>
B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>)
C. V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>
D. 1- V<sub>1</sub><sup>2</sup>
Answer» B. 1-(V<sub>2</sub><sup>2</sup>/ V<sub>1</sub><sup>2</sup>)
Discussion
6.

Internal cavitation occurs due to _________?

A. Drag force
B. Cyclic stress
C. Shock waves
D. Flow speed
Answer» D. Flow speed
Discussion
7.

Degree of reactions are most commonly used in ________

A. Turbomachinery
B. Pressure drag
C. Aerodynamics
D. Automobiles
Answer» B. Pressure drag
Discussion
8.

Voids are created due to ______

A. Reaction ratio
B. Pressure ratio
C. Liquid free layers
D. Volumetric layers
Answer» D. Volumetric layers
Discussion