Hydraulics And Fluid Mechanics MCQ Questions & Answers

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering

Learn Hydraulics And Fluid Mechanics MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Hydraulics And Fluid Mechanics MCQ question is the important chapter for a Mechanical Engineering and GATE students. Page-1 section-2

Kinematic similarity is said to exist between the model and the prototype, if both of them

A) Have identical velocities B) Are equal in size and shape C) Are identical in shape, but differ only in size D) Have identical forces

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Dynamic similarity is said to exist between the model and the prototype, if both of them

A) Have identical velocities B) Are equal in size and shape C) Are identical in shape, but differ only in size D) None of the above

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Geometric similarity is said to exist between the model and the prototype, if both of them

A) Have identical velocities B) Are equal in size and shape C) Are identical in shape, but differ only in size D) Have identical forces

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The intensity of pressure at any point, in a liquid, is

A) Directly proportional to the area of the vessel containing liquid B) Directly proportional to the depth of liquid from the surface C) Directly proportional to the length of the vessel containing liquid D) Inversely proportional to the depth of liquid from the surface

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The hydraulic efficiency of a reaction turbine, is the ratio of

A) Power produced by the turbine to the energy actually supplied by the turbine B) Actual work available at the turbine to energy imparted to the wheel C) Work-done on the wheel to the energy (or head of water) actually supplied to the turbine D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

The factional resistance of a pipe varies approximately with __________ of the liquid.

A) Pressure B) Velocity C) Square of velocity D) Cube of velocity

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

For 450 m head of water, _________ shall be used.

A) Pelton wheel B) Kaplan turbine C) Francis turbine D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The surface tension of mercury at normal temperature is __________ that of water.

A) Same as B) Lower than C) Higher than D) None of these

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A flow through a long pipe at decreasing rate is called __________ uniform flow.

A) Steady B) Unsteady C) Both A and B D) None of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

If a body floating in a liquid occupies a new position and remains at rest in this new position, when given a small angular displacement, the body is said to be in __________ equilibrium.

A) Neutral B) Stable C) Unstable D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Hydraulics And Fluid Mechanics MCQ Questions &amp; Answers | Mechanical Engineering

Hydraulics And Fluid Mechanics MCQ Questions & Answers | Mechanical Engineering