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

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

 
 
 
 

2. In an incompressible fluid, the density is

 
 
 
 

3. Velocity distribution for flow between two fixed parallel plates

 
 
 
 

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

 
 
 
 

5. Acceleration head in a reciprocating pump

 
 
 
 

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

 
 
 
 

7. Check valves are used

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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