When calculating the combustion efficiency, what must be known?

When calculating the combustion efficiency, what must be known?

A. Percentage of SO2 in the flue gases
B. Percentage of CO2 in the flue gases
C. The net stack temperature
D. All of the above
E. B and C






Answer: E

Another type of flue gas analyzer that works like the Fyrite analyzer is?

Another type of flue gas analyzer that works like the Fyrite analyzer is?

A. CEMS analyzer
B. CO2 analyzer
C. Orsat analyzer
D. None of the above

Answer: C

It takes at least ___ bulb strokes to ensure that the rubber hose and top reservoir are thoroughly purged and filled with the fresh sample.

It takes at least ___ bulb strokes to ensure that the rubber hose and top reservoir are thoroughly purged and filled with the fresh sample.

A. 20
B. 19
C. 18
D. 17
E. 16





Answer: C

When measuring levels of NOx and carbon monoxide, they are generally provided in?

When measuring levels of NOx and carbon monoxide, they are generally provided in?

A. ppm
B. Kg
C. meters cubed
D. pascals
E. percentage





Answer: A

When measuring levels of oxygen and carbon dioxide, they are generally provided in?

When measuring levels of oxygen and carbon dioxide, they are generally provided in?

A. ppm
B. Kg
C. meters cubed
D. pascals
E. percentage

Answer: E

Which one is NOT a disadvantage of the IR senor?

Which one is NOT a disadvantage of the IR senor?

A. Expensive
B. Difficult to install
C. Not as accurate
D. Affected by dirt
E. None of the above






Answer: B

A flue gas analyzer used for heating boilers is?

A flue gas analyzer used for heating boilers is?

A. Flue gas analyzer
B. Fyrite analyzer
C. Electronic flue gas analyzer
D. All of the above

Answer: B

The higher the amount of excess air, the ___ will be the percentage of CO2

The higher the amount of excess air, the ___ will be the percentage of CO2

A. Higher
B. Lower




Answer: B

Which one is NOT how the fuel flow control is adjusted?

Which one is NOT how the fuel flow control is adjusted?

A. Solid fuel - adjustment of primary air flow
B. Fuel oil - solenoid valve
C. Solid fuel - solenoid valve
D. Natural gas - solenoid valve
E. None of the above




Answer: C

A gas burner suitable for use in large boilers

A gas burner suitable for use in large boilers 

A. Packaged boiler gas burner
B. Ring type gas burner
C. Pre-mix gas burner
D. None of the above
E. B and C



Answer: B

Gas burner that is controlled by a needle valve

Gas burner that is controlled by a needle valve

A. Packaged boiler gas burner
B. Ring type gas burner
C. Pre-mix gas burner
D. None of the above
E. A and B




Answer: C

The Packaged Boiler Gas Burner is also know as?

The Packaged Boiler Gas Burner is also know as?

A. Before-mix
B. After-mix
C. Outside mixing
D. Inside mixing
E. B and C




Answer: E

When burners are not in use they should be removed from the furnace because?

When burners are not in use they should be removed from the furnace because?

A. So they won't get damaged
B. Heat may cause sulphur to form within them
C. Heat may cause carbon to form within them
D. All of the above
E. B and C




Answer: C

Rotary Cup Oil burner is commonly used in?

Rotary Cup Oil burner is commonly used in?

A. Large sized boilers
B. Medium sized boilers
C. Packaged boilers
D. All of the above
E. A and C



Answer: A

Mechanical Atomizing Oil burner is commonly used in?

Mechanical Atomizing Oil burner is commonly used in?

A. Large sized boilers
B. Medium sized boilers
C. Packaged boilers
D. All of the above
E. A and C




Answer: E

Atomizing Oil burner is commonly used in?

Atomizing Oil burner is commonly used in?

A. Large sized boilers
B. Medium sized boilers
C. Packaged boilers
D. All of the above
E. A and C




Answer: A

Air Atomizing Oil burner is commonly used in?

Air Atomizing Oil burner is commonly used in?

A. Large sized boilers
B. Medium sized boilers
C. Packaged boilers
D. All of the above
E. A and C





Answer: C

Raymon Bowl Mill is used for?

Raymon Bowl Mill is used for?

A. Large sized coal particles
B. Pulverized coal
C. Natural gas
D. Fuel oil
E. A and B




Answer: B

Overfeed stoker is also referred to as?

Overfeed stoker is also referred to as?

A. Spreader stoker
B. Tuyeres
C. Chaingrate stoker
D. Bargrate stoker
E. None of the above





Answer: A

Cross Feed stoker is also referred to as?

Cross Feed stoker is also referred to as?

A. Spreader stoker
B. Tuyeres
C. Chaingrate stoker
D. Bargrate stoker
E. C and D




Answer: E