Compressed Air

Front 1

F.R.L

Back 1

Components of a compressor

Front 2

Correct procedure for installation of FRL unit

Back 2

1. The filter, clean the air, protect downstream components

2.the regulator, maintain a set system pressure

3.the lubricator, add a most of oil to the airstream, lubricates downstream components

Front 3

Front (Term)

Back 3

Air line arrangement

Front 4

The common compressor is the

Back 4

Reciprocating

Front 5

Compressors that have diaphragms are ________ and are used in __________

Back 5

Reciprocating and used in clean air applications

Front 6

Tank used to store air is called

Back 6

Receiving tank

Front 7

Another name for compressed air systems is

Back 7

Pneumatic systems

Front 8

What cools the air between stages of a two stage compressor

Back 8

Pneumatic intercooler

Front 9

What does relative humidity tell usb

Back 9

The water content of air

Front 10

Multi stage compressors usually have

Back 10

More than one cylinder

Front 11

Where are air dryers installed

Back 11

Downstream of the receiver tank

Front 12

Pressure drop in a compressed air system should not exceed

Back 12

5 psi

Front 13

What component is an air outlet installed with

Back 13

Dirt pockets for automatic drains

Front 14

Air receiver tanks should be equipped with

Back 14

Pressure switch, relief valve drain and pressure gauge

Front 15

What are unloaders for compressors used for?

Back 15

To decrease pressure in the cylinder prior to startup

Front 16

Most compressors are

Back 16

Belt driven

Front 17

Materials used for compressed air systems are generally

Back 17

Black iron and sometimes type k and L copper

Front 18

Horizontal pipes downstream of the receiver should be

Back 18

Graded down to drain moisture away from receiver tank

Front 19

Pressure switches usually have a differential pressure of

Back 19

15 psi

Front 20

Piston type compressors are also known as

Back 20

Reciprocating

Front 21

Aftercoolers are installed

Back 21

Between the compressor and receiver

Front 22

After compression and before use it is often necessary to condition the air and rid it of _______, adjust _______ _______ to match the end use and either add or remove _______

Back 22

Contaminants, system pressure, oil

Front 23

Compressor unloading

Back 23

Reduce pressure in compressor cylinder

Front 24

Where should pressure relief valves be installed

Back 24

On the receiver and are normally set 10 psi above the cut-out pressure setting of the pressure switch

Front 25

Never _____ the suction piping to less than the compressed intake

Back 25

Reduce

Front 26

What is the delta p (differential pressure) for compressed air systems?

Back 26

15 psi

Front 27

Pressure relief valves should be mounted on the receiver and are normally set to _____ psi above the cut-out pressure setting of the pressure switch.

Back 27

10 psi

Front 28

Front (Term)

Back 28

Paint sprayers