Hydraulics Chapter 11 Filtration

One micron equals one millionths of ________.

• a centimeter

• an inch

• a meter

• a millimeter

A micron is also known as a ______.

• microcentimeter

• micrometer

• microinch

• micromillimeter

Which of the following filter devices will provide the finest particle filtration?

• 60 wire mesh

• 100 wire mesh

• 200 wire mesh

• 325 wire mesh

Which of the following filter devices will have the largest micron rating?

• 60 wire mesh

• 100 wire mesh

• 200 wire mesh

• 325 wire mesh

All of the following are disadvantages of a strainer/screen, EXCEPT?

• difficult to replace

• difficult to determine if it is plugged

• likely to cause pump cavitation if it is plugged

• expensive

Which of the following strainers will require a reservoir with an access panel?

• side-mounted suction strainer

• in-tank suction strainer

• Both A and B

• Neither A nor B

Which of the following is the best measure of a filter's proficiency in capturing contaminants?

• nominal rating

• absolute rating

• beta rating

• collapse rating

Which of the following devices removes only large particles?

• suction screen

• suction filter

• return filter

• kidney loop filter

Which of the following filtration devices is used to prevent small particles from entering a pump's inlet?

• suction screen

• suction filter

• high-pressure filter

• actuator filter

Which of the following filtration devices operates at a lower pressure range?

• actuator filter

• high-pressure filter

• charge pressure filter

• return filter