Reference no: EM13773765

Question 1. _____ demonstrated that pressure exerted anywhere on a confined fluid is transmitted undiminished in all directions with equal force all areas.

Question 2. ________ are used to limit cylinder speed (three words)

Question 3. The input source for fluid power system is always ____ or _____..

Question 4. Suitable valving is needed to:

Question 5. If the area of the output piston is 10 times the area of the input piston, the power delivered at the output piston will be ______ times greater than the force exerted by the input piston.

Question 6. If the output. The piston is 10 times the area the input piston, the output piston will travel _____ as far as the input piston.

Question 7. If the area the output piston is 10 times the area of the input piston, the output piston will travel with _____ times the speed of the input piston.

Question 8. In a compressed air system the air processing equipment might include:

Question 9. Hydraulic systems generally operate in the range of ______ ______ gauge pressure.

Question 10. A typical hydraulic pumping unit or hydraulic power unit might contain

Question 11. Branch air circuits use the operate in the ____ range.

Question 12. The minimum operating horsepower for most hydraulic systems is ______

Question 13. AN air system usually operates with less noise than the hydraulic system of the same power.

Question 14. In between cycles an air system continually runs

Question 15. If the in-line oiler is functioning properly an air system is very clean

Question 16. Light weight mechanisms can generally be operated _____ with compressed air

Question 17. To match the speed of an equivalent air system and hydraulic system would have to have

Question 18. Hydraulic systems are generally_____ efficient than air systems of the same horsepower output

Question 19. Compared to air systems of the same horsepower, hydraulic systems generally cost _____ to operate

Question 20. As air is compressed it generally_____

Question 21. The cost of an air pressure considered, an air system is generally _____ costly to build than a hydraulic system.

Question 22. Pascal living only to the age of 39, was one of the great French scientists and mathematicians of the ____century.

Question 23. Vacuum power is due to the ______ of the atmosphere

Question 24. Pressure set up in a confined body of fluid acts ______ in all directions

Question 25. Pascal's law only applies to of fluid in a ______ vessel

Question 26. Hydraulic oil is______ compressible.

Question 27. According to Boyles law, the absolute pressure of the confined body of gas varies ______ as its volume provided the temperature remains constant

Question 28. Boyles law describes the behavior of a _____ gas.

Question 29. Gases like methane and propane do not follow Boyles law closely

Question 30. When the pressure gauge is referenced to the surrounding atmosphere is referred to as _____ pressure

Question 31. The term PSIG is marked on a pressure gauge refers to ______

Question 32. ______ pressure is a measure of the pressure above the absolute base of a perfect vacuum.

Question 33. Absolute pressure cannot be read on an ordinary gauge

Question 34. A perfect vacuum

Question 35. Fluid pressure in the metric/SI system is measured in

Question 36. In the metric system/SI system, 1 bar is roughly the equivalent to the pressure at sea level.

Question 37. Vacuum is commonly measured in inches of _____.

Question 38. Charles law states (constant pressure) that if the temperature of the gas is raised its volume also_______ by the same ratio.

Question 39. Charles law has little effect on air systems because it is reference to a zero base of -460°F; any change of a few degrees has little effect on volume.

Question 40. Power flows through a pipe only

Question 41. The flow of hydraulic oil is mostly stated in measured in terms of

Question 42. The term cubic inches displacementper shaft revolution ( CIR) refers to

Question 43. In the metric/SI system the preferred unit of oil flow is _____ __ _____

Question 44. The unit of air (or gas) flow in the US system is the ( initials with no periods in between)

Question 45. Multiplication of force in a hydraulic Leverett system is achieved through a sacrifice of

Question 46. Static head pressure depend solely on the difference in elevation

Question 47. The pressure resulting from the weight of a column of fluid above the point of measurement is referred to as dynamic pressure

Question 48. The pump inlet should be designed such that a high vacuum exists

Question 49. A high vacuum on a pump inlet

Question 50. Most pumps

Question 51. _______ flow minimizes pressure and power loss

Question 52. The preferred type of flow is

Question 53. A certain amount of _____ is lost every time fluid changes direction

Question 54. The _______ energy lost when fluid changes direction escapes the system in the form of heat

Question 55. Hose fittings result in flow restriction

Question 56. One answer to hose fitting restrictions is to use one size smaller hose than the size of the porthole in the component

Question 57. Handling ____ is a large part of designing compressed air systems

Question 58. Referring to a compressor system, as the air cools the entrained water will condense and collect in the ____of the reservoir

Question 59. Referring to an air distribution system, the piping should be sloped ______ the direction of flow

Question 60. After coolers help to expel water from airlines and should be used on systems of ____horsepower and larger

Question 61. In the compressed air system, pressure losses greater than 3% are considered excessive

Question 62. For compressed air systems, recommended plumbing materials include ironpipe, copper tubing, and carbon steel tubing

Question 63. Pipe is specified by its nominal inside diameter

Question 64. US pipe threads are tapered

Question 65. The national pipe taper thread design has a slightly modified form to close of spiral acreage around the crest of the threads

Question 66. National pipe taper fuel threads achieved a positive seal by distorting the mating threads

Question 67. Some manufacturers are replacing the taper threads on components would straight threads that see with an O-ring

Question 68. Hoses are measured according to the outside diameter

Question 69. When ordering hose from a supply house the following information should be given:

Question 70. Some pumps have a _____ port which is larger than the ______ port. These pumps can not or should not be modified to run in the opposite direction. (one space between each word)

Question 71. Viscosity is a measure of an oils ____ to flow

Question 72. The most important single characteristic of hydraulic oil is its ______.

Question 73. Referring to viscosity, SUS refers to