Engineering Mechanics | Mechanical Engineering

A screw jack used for lifting the loads is

Byadmin September 14, 2022

Question: A screw jack used for lifting the loads is
[A].

a reversible machine

[B].

a non-reversible machine

[C].

an ideal machine

[D].

none of these

Answer: Option B

Explanation:

No answer description available for this question.

Hydraulic Machines | Mechanical Engineering

A Kaplan turbine is preferred for a specific speed of 300 to 1000 r.p.m.

Question: A Kaplan turbine is preferred for a specific speed of 300 to 1000 r.p.m.
[A].

Yes
[B].
No

Answer: Option A

Explanation:

No answer description available for this question.

Read More A Kaplan turbine is preferred for a specific speed of 300 to 1000 r.p.m.
Heat Transfer | Mechanical Engineering | Refrigeration and Air Conditioning

In absorption vapour systems, the refrigerant widely used is R-12.

Question: In absorption vapour systems, the refrigerant widely used is R-12.
[A].

Correct
[B].
Incorrect

Answer: Option B

Explanation:

No answer description available for this question.

Read More In absorption vapour systems, the refrigerant widely used is R-12.
Automobile Engineering | Mechanical Engineering

In radial tyres

Question: In radial tyres
[A].

one ply layer runs diagonally one way and another layer runs diagonally the other way
[B].
all plies run parallel to one another and vertical to tyre bead
[C].
inner tubes are always used
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More In radial tyres
Engineering Mechanics

D’ Alembert’s principle is used for______________________?

D’ Alembert’s principle is used for______________________?

A. reducing the problem of kinetics to equivalent statics problem
B. determining stresses in the truss
C. stability of floating bodies
D. designing safe structures
E. solving kinematic problems

Read More D’ Alembert’s principle is used for______________________?
Engineering Mechanics | Mechanical Engineering

The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as

Question: The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
[A].

principle of independence of forces
[B].
principle of resolution of forces
[C].
principle of transmissibility of forces
[D].
none of these

Answer: Option B

Explanation:

No answer description available for this question.

Read More The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
Engineering Mechanics | Mechanical Engineering

Coplaner non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

Question: Coplaner non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.
[A].

meet
[B].
do not meet

Answer: Option B

Explanation:

No answer description available for this question.

Read More Coplaner non-concurrent forces are those forces which __________ at one point, but their lines of action lie on the same plane.

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