Engineering Mechanics | Mechanical Engineering

A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is

Byadmin September 14, 2022

Question: A weight of 1000 N can be lifted by an effort of 80 N. If the velocity ratio is 20, the machine is
[A].

reversible

[B].

non-reversible

[C].

ideal

Answer: Option A

Explanation:

No answer description available for this question.

Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

In the aircraft propellers

Question: In the aircraft propellers
[A].

the propulsive matter is ejected from within the propelled body
[B].
the propulsive matter is caused to flow around the propelled body
[C].
its functioning does not depend upon the presence of air
[D].
none of the above

Answer: Option A

Explanation:

No answer description available for this question.

Read More In the aircraft propellers
Engineering Materials | Mechanical Engineering

A steel with carbon above 0.8% is known as hyper-eutectoid steel.

Question: A steel with carbon above 0.8% is known as hyper-eutectoid steel.
[A].

Agree
[B].
Disagree

Answer: Option A

Explanation:

No answer description available for this question.

Read More A steel with carbon above 0.8% is known as hyper-eutectoid steel.
Compressors | Gas Dynamics and Gas Turbines | Mechanical Engineering

For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)

Question: For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)
[A].

[B].

[C].

[D].
p1p2

Answer: Option D

Explanation:

No answer description available for this question.

Read More For maximum work, the reheating should be done to an intermediate pressure of (where p1 = Maximum pressure, and p2 = Minimum pressure)
Engineering Mechanics

According to principle of moments__________________?

According to principle of moments__________________?

A. if a system of coplanar forces is in equilibrium, then their algebraic sum is zero
B. if a system of coplanar forces is in equilibrium, then the algebraic sum of their moments about any point in their plane is zero
C. the algebraic sum of the moments of any two forces about any point is equal to moment of theiwesultant about the same point
D. positive and negative couples can be balanced
E. none of the above

Read More According to principle of moments__________________?
Hydraulic Machines | Mechanical Engineering

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

Question: 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

Answer: Option D

Explanation:

No answer description available for this question.

Read More Dynamic similarity is said to exist between the model and the prototype, if both of them
Industrial Engineering And Production Management | Mechanical Engineering

PERT

Question: PERT
[A].

provides an approach for keeping planning up-to-date
[B].
provides a way for management to require that planning be done on a uniform and logical basis
[C].
permits management to foresee quickly the impact of variations from the plan
[D].
all of the above

Answer: Option D

Explanation:

No answer description available for this question.

Read More PERT

Similar Posts