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Hydraulic Machines Practice Test: Fluid System
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Avg score: 51% • Most missed: “The hydraulic press is also known as _________ press.”
Fluid System topics include: Air vessels, hydraulic press, hydraulic accumulator, hydraulic intensifier, hydraulic ram, hydraulic lift and crane, air lift and gear wheel pumps.   A fluid system uses pressurized fluids to transmit energy. Fluid systems use the force of flowing liquids or gases to transport power.  Fluid systems can be multi-phase when at least two distinct liquid phases are in place. For example, water or brine with a non-aqueous liquid such as oil and water or CO and water.  Fluid systems can be divided into two types: Hydraulics: Uses a liquid such as mineral oil or... Show more
Hydraulic Machines Practice Test: Fluid System
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25 Questions

1. ________ invented the compressed air accumulator.
2. The maximum efficiency of the reciprocating pump is _________
3. NDT is a money and time saving technique.
4. The underlying principle behind a hydraulic press is based on ______ principle.
5. A pump that has low suction and moderate discharge is called _______
6. NDT relies upon _________
7. The cylinder with the smaller diameter Is called _________
8. Working period is defined as the ratio of the height of lift to the ___________
9. The main function of nozzle is to __________
10. Safety valve is used to ensure that the pressure in the vessels is not exceeded.
11. In a hydraulic press, the pump acts as a _________
12. _______ aids in cushioning the shock of the hydraulic pressure during the working of the hydraulic ram
13. Centrifugal pumps transfer energy from _______
14. Why do we need a maximum safe operating pressure?
15. Centrifugal pumps transport fluids by converting _________
16. Gear pumps convert rotational kinetic energy to hydrodynamic energy.
17. The first accumulators for Armstrong’s hydraulic dock machinery were ________ which is placed raised.
18. _______ restricts the crane from tipping.
19. Centrifugal pumps are used to transport ________
20. ________ helps in indicating the maximum lifting limit of the crane.
21. The pump injects compressed air at the _________
22. The cylinder having the larger diameter is called _______ cylinder.
23. If the diameters of the two pistons used in the arrangement are different, the _______ in each cylinder will vary.
24. The two types of pulleys in a hydraulic lift are ______ and ______
25. A tank that is used to protect closed water heating systems is called ________

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