Engineering Mechanics | Strength of Materials

If three forces acting in different planes can be represented by a triangle, these will be in________________?

Byadmin January 15, 2019August 12, 2021

If three forces acting in different planes can be represented by a triangle, these will be in________________?

A. non-equilibrium
B. partial equilibrium
C. full equilibrium
D. unpredictable
E. none of the above

Engineering Mechanics | Mechanical Engineering

In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.

Question: In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.
[A].

True
[B].
False

Answer: Option A

Explanation:

No answer description available for this question.

Read More In collision of elastic bodies, the coefficient of restitution is the ratio of the relative velocity after impact to the relative velocity before impact.
Strength of Materials

The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?

The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?

A. equal to the moment of the couple
B. constant
C. both of above are correct
D. both of above are wrong
E. none of the above

Read More The algebraic sum of moments of the forces forming couple about any point in their plane is__________________?
Engineering Mechanics | Mechanical Engineering

A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)

Question: A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
[A].

MS/3
[B].
MS/4
[C].
MS/5
[D].
none of these

Answer: Option C

Explanation:

No answer description available for this question.

Read More A spherical body is symmetrical about its perpendicular axis. According to Routh’s rule, the moment of inertia of a body about an axis passing through its centre of gravity is(where, M = Mass of the body, and S = Sum of the squares of the two semi-axes.)
Strength of Materials

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

A. elastic point of the material
B. plastic point of the material
C. breaking point of the material
D. yielding point of the material
E. ultimate point of the material

Read More The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?
Strength of Materials

A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to___________________?

A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to___________________?

A. W
B. W sin (a + $)
C. Wtan(a + <|))
D. Wan(a-)
E. Wtana

Read More A body of weight W on inclined plane of a being pulled up by a horizontal force P will be on the point of motion up the plane when P is equal to___________________?
MCQs / Q&A | Strength of Materials

A force acting on a body may_______________?

A force acting on a body may_______________?

A. introduce internal stresses
B. balance the other forces acting on it
C. retard its motion
D. change its motion
E. all of the above

Read More A force acting on a body may_______________?

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