# Engineering Mechanics Online Test – Multiple Choice Questions and Answers

1. Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its vertex and parallel to the base, is __________ than that passing through its C.G. and parallel to the base

2. The total motion possessed by a body, is called

3. The maximum mechanical advantage of a lifting machine is

4. The term ‘centroid’ is

5. A machine having an efficiency greater than 50%, is known as

6. Which of the following are vector quantities?

7. In a single threaded worm and worm wheel, the number of teeth on the worm is 50. The diameter of the effort wheel is 100 mm and that of load drum is 50 mm. The velocity ratio is

8. The friction experienced by a body, when at rest, is known as

9. If P is the force acting on the body, m is the mass of the body and a is the acceleration of the body, then according to Newton’s second law of motion,

10. The energy possessed by a body, for doing work by virtue of its position, is called

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