Engineering Mechanics Mock Test 8

10%

Question 1 of 10

1. The net forces of acting on the body need to be zero. This is also applicable for the simply supported structures. This means that the support reaction is also counted in making the net force zero.

False

True

Question 1 of 10

Question 2 of 10

2. Determine the surface area of the structure when rotated about the ray P.

134m²

154m²

169m²

143m²

Question 2 of 10

Question 3 of 10

3. What is not the condition for the equilibrium in calculations involved in the determination of the centre of mass?

∑F≠0

∑Fy=0

∑Fx=0

∑Fz=0

Question 3 of 10

Question 4 of 10

4. Determine the shear force of the beam shown.

50N

45N

40N

450N

Question 4 of 10

Question 5 of 10

5. There is perpendicular axis theorem for the area.

False

True

Question 5 of 10

Question 6 of 10

6. When the body which is applied forces come in the stage of the limiting friction then the body over which this theorem is to be applied is termed as to come in ___________ equilibrium.

Stable

Improper Stable

Non-stable

Unstable

Question 6 of 10

Question 7 of 10

7. What is not the condition for the equilibrium in three dimensional system of axis for the bodies for which this theorem is going to be applied?

∑Fx=0

∑F≠0

∑Fz=0

∑Fy=0

Question 7 of 10

Question 8 of 10

8. Determine the volume of the structure when rotated about the ray P.

43m³

14m³

19m³

47.6m³

Question 8 of 10

Question 9 of 10

9. The centre of volume is the ratio of ________ to _________

The addition of centroid and weight to the total weight

The product of centroid and mass to the total weight

The subtraction of centroid and volume to the total weight

The product of centroid and volume to the total volume

Question 9 of 10

Question 10 of 10

10. A composite body is consisted of __________ number of particles.

Finite

Infinite

Hundreds

Thousands

Question 10 of 10