Explore topic-wise MCQs in Engineering Mechanics.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mechanics knowledge and support exam preparation. Choose a topic below to get started.

1.

The parallel axis theorem can add any angle varied moment of inertias to give the perpendicular moment of inertia and it can be used in the determination of the moment of inertia about inclined axis.

A. True
B. False
Answer» C.
2.

The body is sometimes acted by two or three force members and we need to find the moment of inertia about the inclined axis for the same. The difference between the two and the three force members is:

A. The former is collinear and the latter is parallel
B. The former is parallel and the latter is perpendicular
C. The former is perpendicular and the latter is collinear
D. The former is acting on two points in the body while the latter is on three points
Answer» E.
3.

What is parallel axis theorem and to whom it is applied so that it can give the product of inertia of an area of an area inclined about an axis?

A. Theorem used to add the two mutually perpendicular moment of inertias for areas
B. Theorem used to add the two mutually perpendicular moment of inertias for volumes
C. Theorem used to add the two mutually perpendicular moment of inertias for linear distances
D. Theorem used to add the two mutually perpendicular moment of inertias for vectors
Answer» B. Theorem used to add the two mutually perpendicular moment of inertias for volumes
4.

One of the uses of the centre of mass or centroid is as in the determination of the moment of inertia about an inclined plane is that the net force acts at the ___________ of the loading body.

A. Centroid
B. The centre axis
C. The corner
D. The base
Answer» B. The centre axis
5.

The distance in the parallel axis theorem for the use in the determination of the moment of inertia about an inclined axis is multiplied by:

A. Area
B. Volume
C. Linear distance
D. Area/Volume
Answer» B. Volume
6.

Whenever the distributed loading acts perpendicular to an area its intensity varies __________ for the determination of moment of inertia about the inclined axis.

A. Linearly
B. Non-Linearly
C. Parabolically
D. Cubically
Answer» B. Non-Linearly
7.

The calculation of moment of inertia about inclined axis due to the loadings involve a quantity called ____________

A. Moment
B. Inertia
C. Moment of Inertia
D. Rotation
Answer» D. Rotation
8.

Determine the magnitude of the principle moment of inertia for the cross section of area of member shown whose width is 100mm. `

A. 7.54 x 109 mm2
B. 54 x 109 mm2
C. 3.4 x 109 mm2
D. 1.54 x 109 mm2View Answer
Answer» B. 54 x 109 mm2
9.

If any external force also is applied on the structure and we are determining the moment of inertia for areas about inclined axis then what should we consider?

A. The net force will act at the centroid of the structure only
B. The net load will not be formed as all the forces will be cancelled
C. The net force will act on the base of the loading horizontally
D. The net force will not to be considered, there would be a net force of the distribution, rest will be the external forces
Answer» E.
10.

There is perpendicular axis theorem for the area, and it is can be used to determine the moment of inertia of an area about inclined axis.

A. True
B. False
Answer» C.
11.

The product of moment of inertia is the sum of _____________ and _________________ it can be used in the calculations of moments of inertia for an area about inclined axis.

A. Area and volume
B. Volume and linear distance
C. Moment of inertia at centroid and the product of the area and del dx and del dy
D. Moment of inertia at base and the product of the area and del dx and del dy
Answer» E.
12.

Moment of Inertia about an inclined axis is the integration of the square of the distance of the centroid and the del area along the whole area of the structure and after this calculations, we multiply the moment of areas.

A. True
B. False
Answer» B. False
13.

The product of Inertia for an area is required so as to__________

A. Determine Maximum moments of inertia for an Area
B. Determine Maximum moments of inertia for a Line
C. Determine Maximum moments of inertia for a Volume
D. Determine Maximum moments of inertia for a Rectangle
Answer» B. Determine Maximum moments of inertia for a Line
14.

Determine the orientation of the principle axis for the cross section of area of member shown whose width is 100mm.

A. 57.1˚
B. 5.1˚
C. 7.1˚
D. 52.1˚View Answer
Answer» B. 5.1˚
15.

If the non-Uniform loading is of the type of parabola then for calculating the moment of inertia for areas inclined at an axis?

A. The net load will not be formed as all the forces will be cancelled
B. The net force will act the centre of the parabola
C. The net force will act on the base of the loading horizontally
D. The net force will act at the centroid of the parabola
Answer» E.