Module 4 Flashcards Preview

MT 108 Chapter 4 > Module 4 > Flashcards

Flashcards in Module 4 Deck (31):
1

Unit of metric measurement used to describe the size of particles; approximately 0.00004 in. (exactly 0.001mm)

Micron (or micrometer)

2

The ability of a filter to remove contaminants

Dirt capacity

3

In a filter, the pressure difference that would permit collected contaminant particles to pass through the filter

Maximum allowable pressure drop

4

The process by which moisture collects on the surface of a material but is not absorbed by it

Adsorption

5

The process by which moisture is drawn into the absorbing medium instead of collecting on the surface

Absorption

6

Gravity contaminant separation takes place when a moving stream of air _____.

Slows down

7

Cyclone and louver separators remove fine particles without causing a high _____.

Pressure loss

8

The size of a particle of contamination is measured in _____.

Microns or Micrometers

9

Separators, strainers, and filters are identified or rated by the _____ of particle they will stop.

Size

10

To obtain the most efficient use of filtering equipment, use both surface filters and _____ filters.

Depth

11

Surface filters should be used to remove _____ particles.

Large

12

The strainer-wire weave that is preferred in air-filtration applications for its more efficient operation is the _____ weave.

Dutch Twill

13

Ribbon elements usually have _____ cross section.

Tapered

14

Name the three types of depth air filters.

Dry
Wetted
Oil Bath

15

An efficient intake filter for a reciprocating compressor should remove 100% of particles measuring more than _____ microns.

10

16

An adsorption filter removes vapor from the air by collecting moisture on the _____ of the medium.

Surface

17

Chemical-medium filters that change color are of the _____ type.

Absorption

18

Most pneumatic power tools require air that is compressed, cleaned, and _____.

Lubricated

19

The two basic types of air line lubricators are termed _____ and _____.

Heavy, Fine

20

Heavy lubricators should be used only for _____ or _____ airflows.

Continuous, High

21

Lubricating equipment should always be placed after the _____ equipment.

Regulating

22

What type of contaminant separation takes place when a stream of air is slowed down?

Gravity

23

What occurs when part of the filter medium breaks off and is carried along with the air?

Medium migration

24

Because of their ability to stop large particles, inertial separators are used as _____.

Prefilters

25

The usual way to remove large particles from the air stream is by using a(n) _____ filter.

Surface

26

Contaminant particle size is measured by the _____.

Microns

27

Which type of filter primarily uses a medium that collects moisture on the medium surface?

Adsorption

28

A strainer or filter is classified by the _____.

Size of particle it stops.

29

What type of oil is used to lubricate pneumatic equipment?

Uncontaminated

30

If a filter stops 96% of particles of a given size, that particle size determines its _____.

Nominal rating

31

The best point in pneumatic system to place lubricating equipment is after the _____.

Regulator