# Quiz 11: Fluid Mechanics 20 MCQs with Answers

1. Which of the following, best defines the center of buoyancy:

2. The momentum equation is applicable over which type of the following fluid:

3. The velocity of disturbance in liquid is……in comparison to the solid:

4. On which of the following quantity, the velocity of disturbance depends upon, when fluid is in consideration:

5. For the propagation of minor disturbance through Air, the process is assumed as:

6. Mathematically the Mach number is represented as:

7. For which kind of flow Mach number is taken as non-dimensional parameter:

8. On which of the following parameter, the nature of propagation of the disturbance depends upon over a compressible fluid:

9. For a subcritical flow through the open channel, the Froude number is always:

10. By which of the following repression, the Froude number is represented as:

11. Which region is known as the zone of silence whenever M > 1:

12. When the resultant velocity becomes zero, which of the following are called as stagnation property:

13. For an incompressible fluid the increase in area results:

14. When the fluid is Compressible, the change in area affects which of the following physical quantities-

15. To calculate the velocity of the sound wave the process is taken to be:

16. How a mercury length column which is placed at a place and at a height will vary with respect to that at the ground in a manner of:

17. Which of the following defines the change in dynamic viscosity of most of the gases, when there is a rise in gas temperature:

18. When a balloon is lifting in air, which of the following principle is applied:

19. The viscosity of water in comparison to mercury is always:

20. Momentum per sec is defined as in form of mathematical expression:

MechStudies

Hello Everyone! We are the MechStudies team and really delighted to present our articles. We will capture all types of Mechanical Engineering articles in the simplest way with various diagrams, practical examples, etc. Cheers!