Key Points

Question 1

Fuel system accessories are used to store, supply and control the fuel supplied to the boiler

Answer 1

True

Question 2

Fuel oil is a liquid fossil fuel that consists primarily of carbon hydrogen and moisture

Answer 2

True

Question 3

Fuel oils used in low pressure boilers are no. 2 fuel oil no. 4 fuel oil, no. 5 fuel oil and no. 6 fuel oil.

Answer 3

True

Question 4

Fuel oil burners atomize fuel oil to increase contact with combustion air for maximum combustion efficiency

Answer 4

True

Question 5

Natural gas is a colorless and odorless fossil fuel that consist primarily of methane, small amounts of ethylene, and other gases

Answer 5

True

Question 6

In a low pressure gas system, gas is reduced from supplier gas pressure to approximately 0 psi

Answer 6

True

Question 7

In a high pressure fas system, gas is supplied through a high pressure gas main at a higher than a residential gas supply line

Answer 7

True

Question 8

In a high pressure gas burner, gas is supplied and mixed with air inside the burner

Answer 8

True

Question 9

In a low pressure gas burner air passing through a mixing chamber outside the burner draws gas in from the zero pressure gas chamber

Answer 9

True

Question 10

Combination burnes can use fuel oil or natural gas

Answer 10

Gas

Question 11

Coal is a solid black material formed when organic material is hardened in the earth over millions of years

Answer 11

True

Question 12

Coal used for firing steam boilers is fed using pulverized coal, stokers, or hand firing

Answer 12

True

Question 13

Stokers are mechanical coal-feeding devices that feed coal into the furnace of the boiler at a consistant rate

Answer 13

True

Question 14

An underfeed stoker is a coal feeding device that introduces coal from under the fire

Answer 14

True

Question 15

A screw-fedder stoker is a stoker that uses a low-speed feed screw to advance coal from a hopper to the retort

Answer 15

True

Question 16

A ram-feed stoker is a stoker that uses a feeder block ram to feed the coal into the retort

Answer 16

True

Question 17

Combination controls regulate fuel supply, air supply, air to fuel ratio and removal of gases of combustion in a boiler

Answer 17

True

Question 18

An ON/OFF control system controls the amount os steam produced by starting and stopping the burner

Answer 18

True

Question 19

An ON/OFF Control system is commonly used for small package boiler and where the steam load allows the burner to start and stop as required

Answer 19

True

Question 20

A flame safegurd system monitors the burner start-up sequence and the main flame and controls the firing rate during normal operation

Answer 20

True

Question 21

A flame safeguard programmer sequences burner function for prepurge, ignition trials, run period and postpurge

Answer 21

True

Question 22

A flame scanner senses if the pilot light and/or main flame are lit

Answer 22

True

Question 23

Combustion efficiency is the ability of a burner to burn fuel as indicated by amount of unburned fuel and exces air in the gases if combustion

Answer 23

True

Question 24

Combustion efficiency can be determined by evaluating the flue gas

Answer 24

True

Question 25

A pollutant is matter that contaminates air soil or water

Answer 25

True

Question 26

Air pollution regulation are enacted at the federal level or at the state and local level

Answer 26

True

Question 27

Building automation system monitor boiler operation for safety and afficiency

Answer 27

True

Question 28

Fuel oil is a liquid fossil fuel that consist primarily of carbon, hydrogen and moisture

Answer 28

True

Question 29

the temperature at wich a fuel gives off vapor that flashes when expose to an open flame

Answer 29

Flash point

Question 30

The temperature to which fuel oil must be heated to burn continuesly when expose to an open flame

Answer 30

Fire point

Question 31

The lowest temperature at which fuel oil flows as a liquid

Answer 31

Pour point

Question 32

The ability of the fuel to be vaporize

Answer 32

Volatility

Question 33

Viscosity limits are the specification os viscocity measurements required to properly transport and atomize the fuel

Answer 33

True

Question 34

The four grades of fuel

Answer 34

``` #2 #4 #5 #6 Fuel oils ```

Question 35

Distillate fuel oil. Low on viscocity

Answer 35

Number 1 and 2 fuel oil

Question 36

A heavy residual fuel oil

Answer 36

Number 4, 5 and 6 fuel oil

Question 37

Natural gas is a colorless and odorless fossil fuel that consist primarily os methane, small amounts of ethylene, and other gases

Answer 37

True

Question 38

In a low pressure gas system, gas is reduced from suplier gas pressure to approximately 0 psi

Answer 38

True

Question 39

In a high pressure gas system, gas is supplied through a high pressure gas main at a higher pressure than a residential gas supply line

Answer 39

True

Question 40

In a high pressure gas burner, gas is supplied and mixed with air inside the burner

Answer 40

True

Question 41

In a low pressure gas burner, air passing through a mixing chamber outside the burner draws gas in from zero pressure gas chamber

Answer 41

True

Question 42

Combination burners can use fuel oil or natural gas

Answer 42

True

Question 43

Coal is a solid black fuel formed when organic material is hardened in the earth over millions of years

Answer 43

True

Question 44

Coal used for firing steam boilers is fed using pulverizes coal, stokers, or hand firing

Answer 44

True

Question 45

Stokers are mechanical coal-feeding devices that feed coal into the furnace of the boiler in a consistant rate

Answer 45

True

Question 46

An underfeed stoker is a coal feeding device that introduces coal from under the fire

Answer 46

True

Question 47

A ram-feed stoker is a stoker that uses a feeder block ram to feed the coal into the retort

Answer 47

True

Question 48

Combustion control regulates fuel supply, air supply, air-to-fuel ratio, and removal of gases of combustion in a boiler

Answer 48

True

Question 49

An ON/OFF control system controls the amount os steam produced by starting and stopping the burner

Answer 49

True

Question 50

An ON/OFF control system is commonly used for small package boilers and where the steam load allows the burner to start and stop as required

Answer 50

True

Question 51

A flame safeguard system monitors the burner start-up sequence and the main flame and controls the firing rate during normal operation

Answer 51

True

Question 52

A flame safeguard programmer sequence burner function for prepurg, ignition trials, run period, and postpurge

Answer 52

True

Question 53

A flame scanner senses if the pilot light and/or main flame are lit

Answer 53

True

Question 54

Combustion efficiency is the ability of a burner to burn fuelas indicated by the amount of unburned fuel and excess air in the gases of combustion

Answer 54

True

Question 55

Combustion efficiency can be determined by evaluating the flue gas

Answer 55

True

Question 56

A pollutant is matter that contaminates air, soil or water

Answer 56

True

Question 57

Air pollution regulations are enacted at the federal level or at the state and local level

Answer 57

True

Question 58

Building automation system monitor boiler operation for safety and efficiency

Answer 58

True