Previous Year Very Short Questions of HP (DIPLOMA Mechanical Engineering (RAC) 4th)

Hydraulics and Pneumatics

Previous year question paper with solutions for Hydraulics and Pneumatics

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  1. An ideal fluid is defined as a fluid which is _______ and _________.
  2. ________ is the property of fluid by virtue of which it resists shear.
  3. The difference between absolute pressure and local atmospheric pressure is called ______.
  4. Minor losses in pipe have ______ magnitude.
  5. Two pipes are called equivalent when they have same ____and____.
  6. Differential manometers are used to measure ________ two points.
  7. FRL unit means __________.
  8. The hydraulic motor which receives force and power by means of fluid pressure is known as ______
  9. Kaplan turbine is a ____________ turbine.
  10. Density of water at all temperatures is …………………
  11. Specific weight of water in SI units is …………………
  12. Pitot tube is used for the measurement of ………………….
  13. An ideal fluid has ……………... viscosity.
  14. The ratio of inertia force to viscous force is known as ………………….
  15. Chezy’s formula is given as ………………….
  16. Hydraulic press is based on …………………. law.
  17. Kaplan turbine is a ...……………… turbine.
  18. Pascal’s law represents .………………… property of fluids.
  19. Static seals are used when …………………. occurs between the mating parts.
  20. Lubricators follow the principle of ………………….
  21. Air compressor is machine used to compress air and to raise its .………………...
  22. Mercury is generally used in manometers because it has …………………
  23. The numerical value of 1Pa of pressure is equal to ………………….
  24. Piezometer is used to measure …………………. pressure.
  25. Manometer principle is ………………………
  26. Density of water at all temperatures is ………………………
  27. Laminar flow is also called …………………….
  28. An ideal fluid has ………………... viscosity.
  29. Chezy’s formula is given as ..……………….
  30. When pipe is not running full, it is referred as …………………… flow.