Hydraulics and Fluid Mechanics | Mechanical Engineering

The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.

Byadmin September 14, 2022

Question: The body will sink down if the force of buoyancy is __________ the weight of the liquid displaced.
[A].

equal to

[B].

less than

[C].

more than

Answer: Option B

Explanation:

No answer description available for this question.

Hydraulics and Fluid Mechanics | Mechanical Engineering

If the depth of water in an open channel is less than the critical depth, the flow is called

Question: If the depth of water in an open channel is less than the critical depth, the flow is called
[A].

critical flow
[B].
turbulent flow
[C].
tranquil flow
[D].
torrential flow

Answer: Option D

Explanation:

No answer description available for this question.

Read More If the depth of water in an open channel is less than the critical depth, the flow is called
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In figure shown, E is a heat engine with efficiency of 0.4 and R is a refrigerator. It is given that Q2 + Q4 = 3Q1. The C.O.P. of the refrigerator is

Question: In figure shown, E is a heat engine with efficiency of 0.4 and R is a refrigerator. It is given that Q2 + Q4 = 3Q1. The C.O.P. of the refrigerator is
[A].

2.5
[B].
3.0
[C].
4.0
[D].
5.0

Answer: Option D

Explanation:

No answer description available for this question.

Read More In figure shown, E is a heat engine with efficiency of 0.4 and R is a refrigerator. It is given that Q2 + Q4 = 3Q1. The C.O.P. of the refrigerator is
Mechanical Engineering | Production Engineering

In order to prevent tool from rubbing the work __________ on tools are provided.

Question: In order to prevent tool from rubbing the work __________ on tools are provided.
[A].

rake angles
[B].
relief angles

Answer: Option B

Explanation:

No answer description available for this question.

Read More In order to prevent tool from rubbing the work __________ on tools are provided.
Hydraulics and Fluid Mechanics | Mechanical Engineering

An average value of coefficient of velocity is

Question: An average value of coefficient of velocity is
[A].

0.62
[B].
0.76
[C].
0.84
[D].
0.97

Answer: Option D

Explanation:

No answer description available for this question.

Read More An average value of coefficient of velocity is
Ic Engines And Nuclear Power Plants | Mechanical Engineering

In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.

Question: In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More In diesel engines, the fuel is injected in the form of very fine spray, into the engine cylinder, which gets ignited due to high temperature of the compressed air.
Engineering Mechanics | Mechanical Engineering

In order to double the period of simple pendulum, the length of the string should be

Question: In order to double the period of simple pendulum, the length of the string should be
[A].

halved
[B].
doubled
[C].
quadrupled

Answer: Option C

Explanation:

No answer description available for this question.

Read More In order to double the period of simple pendulum, the length of the string should be

Similar Posts