Engineering Mechanics Mock Test 2

10%

Question 1 of 10

1. Find the total resultant moment acting vertically in the given figure below consisting of a beam of ‘L’ shape.

60Nm

400Nm

40Nm

640Nm

Question 1 of 10

Question 2 of 10

2. Find the total resultant force acting vertically in the given figure below consisting of a beam of ‘L’ shape.

100N

10N

18N

180N

Question 2 of 10

Question 3 of 10

3. Determine the moment MQP in the vector form produced by the force as shown in the diagram, which tends to rotate the rod ORQP along QP.

72i - 36j Nm

-72i - 36j Nm

-72i + 36j Nm

72i + 36j Nm

Question 3 of 10

Question 4 of 10

4. The principle of transmissibility is

It states that the force acting on the body is a rolling vector

It states that the force acting on the body is a unit vector

It states that the force acting on the body is a sliding vector

It states that the force acting on the body is a wedging vector

Question 4 of 10

Question 5 of 10

5. The couple is simplified easily with the help of right hand rule. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.

The first part of the statement is false and another part is true

The first part of the statement is true and another part is true too

The first part of the statement is false and another part is false too

The first part of the statement is true and another part is false

Question 5 of 10

Question 6 of 10

6. Determine the moment of the force F along the segment QP of the pipe assembly shown in the figure.

510Nm

500Nm

100Nm

110Nm

Question 6 of 10

Question 7 of 10

7. If F = F1+F2, then the moment of this force F about a point at a distance r is M=rxF1 + rxF2.

False

True

Question 7 of 10

Question 8 of 10

8. Which of the following is correct in the determination of the moment direction by curling of wrist?

The direction in which you curl your wrist is towards the direction of the distance from point of contact of force to the axis of rotation.

The thumb represents the direction of the moment

The thumb represents the direction of the force

The fingers represent the direction of the force

Question 8 of 10

Question 9 of 10

9. The moment axis, force and the perpendicular distance in the moment of the force calculation is lying in____________

A single plane in the direction of the perpendicular distance

A single line in the direction of the force

Two planes perpendicular to each other

A single plane in the direction of the force

Question 9 of 10

Question 10 of 10

10. The couple is simplified easily with the help of left hand rule. But the forces simplification is not possible as there is no such system of rules so that the forces can be simplified.

The first part of the statement is true and other part is false

The first part of the statement is true and other part is true too

The first part of the statement is false and other part is true

The first part of the statement is false and other part is false too

Question 10 of 10