40 TOP FLUID MECHANICS Online Test – Multiple Choice Questions and Answers

1. In an incompressible fluid, the density is

2. Mass velocity is independent of temperature & pressure, when the flow is

3. Acceleration head in a reciprocating pump

4. Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer

5. Velocity distribution for flow between two fixed parallel plates

6. Drag force acting on a body does not depend upon the

7. For ideally incompressible fluid, the Mach number will be

8. Check valves are used

9. Which of the fluid forces are not considered in the Reynold’s equation of flow ?

10. If more than two branches of pipes are to be connected at the same point, then use a/an