Quiz

Question 0

A low water level condition in a boiler can result in damage to the boiler surface

Answer 0

True

Question 1

A high water level condition in a boiler could lead to water hammer

Answer 1

True

Question 2

The check valve on the feedwater line should be located closest to the shell of the boiler

Answer 2

False

Question 3

The check valve allows the flow of water in one direction only

Answer 3

True

Question 4

The check valve on the feedwater line commonly has a valve disc that swings to open and close the valve

Answer 4

True

Question 5

A condensate return tank collects condensate returned from heating units for use in the boiler

Answer 5

True

Question 6

A globe valve used as a feedwater stop valve must be installed so inlet pressure is applied from under the valve disc

Answer 6

True

Question 7

The stop valve on the feedwater line should be located closest to the boiler

Answer 7

True

Question 8

The vacuum pump is designed to discharge air and pump water

Answer 8

True

Question 9

Centrifugal feedwater pumps are commonly driven by steam

Answer 9

False

Question 10

A check valve is opened by turning the handle counterclockwise

Answer 10

False

Question 11

A low water fuel cutoff is located slightly below the NOWL

Answer 11

True

Question 12

The range of pressure on the vacuum switch on a vacuum pump is usually 2” to 8”

Answer 12

True

Question 13

An evaporation test is performed by opening the low water fuel cutoff blowdown valve by hand

Answer 13

False

Question 14

Any loss of water on the system must be made up by the makeup water feeder

Answer 14

True

Question 15

The boiler operator must be present during an evaporation test

Answer 15

True

Question 16

The makeup water feeder can be used as feedwater

Answer 16

False

Question 17

Most makeup water contains some scale forming salts

Answer 17

True

Question 18

The function of the automatic makeup water feeder is to replace water that has been lost

Answer 18

True

Question 19

The automatic city water makeup water feeder is located slightly below the NOWL

Answer 19

True

Question 20

The water in the boiler is heated, turns to steam, and leaves the boiler through the_______

Answer 20

Main steam line

Question 21

When steam release heat in a heat exchanger, it turns to_______

Answer 21

Condensate

Question 22

A_____pump returns condensate from the system back to the boiler

Answer 22

Vacuum

Question 23

A_____valve allows the flow of water in one direction only

Answer 23

Check valve

Question 24

The feedwater_____valve should be located as close to the shell of the boiler as practical

Answer 24

Stop valve

Question 25

A______after each heating unit allows condensate to pass through to the return line

Answer 25

Steam trap

Question 26

A____may be required on some boiler to remove oxygen and other gases

Answer 26

Feedwater heater

Question 27

The feedwater_____valve opens and closes automatically

Answer 27

Check valve

Question 28

The vacuum pump pumps water and discharges air to the_____

Answer 28

Atmosphere

Question 29

The range of pressure on the vacuum switch is usually_____

Answer 29

2"to 8"

Question 30

The primary function of a low water fuel cutoff is to______

Answer 30

Shut down the burner if the water level drops below the safe operating level

Question 31

Water added to the boiler to replace water lost due to leaks and blowing down is known as_____water

Answer 31

Makeup

Question 32

Excessive use of cold city makeup water reduses overall boiler efficiency because the water must be_____before use in the boiler

Answer 32

Heated

Question 33

An auxiliary low water fuel cutoff is installed_____

Answer 33

Slightly below the primary low water fuel cutoff

Question 34

The_____shuts off the burner in the event of low water

Answer 34

Low water fuel cutoff

Question 35

Water is supplied to the condensate return tank by_____pump

Answer 35

Vacuum

Question 36

The feedwater regulator is located at the______

Answer 36

NOWL

Question 37

The____maintains a constant water level in the boiler

Answer 37

Feedwater regulator

Question 38

The low water fuel cutoff should be tested_____

Answer 38

Monthly

Question 39

The burner should be_____when the low water fuel cutoff is blown down

Answer 39

Firing