Power Engineering 3B1 Chapter 6 Exam
Questions and Answers
The gas pilot pressure regulator ________ the incoming header
gas pressure, ensuring a satisfactory pilot flame.
a. reduces
b. increases
c. controls
d. samples - Correct Answers ✅a
The main gas pressure regulator ________ the gas pressure at
a higher setting than the pilot regulator.
a. reduces
b. increases
c. controls
d. samples - Correct Answers ✅c
A low gas pressure cutoff switch _______ the burner from
operating when the gas pressure in the supply line drops
below the pressure necessary to maintain a stable flame at
the burner.
a. promotes
b. prevents
c. opens
d. raises - Correct Answers ✅b
,Power Engineering 3B1 Chapter 6 Exam
Questions and Answers
The high gas pressure switch contacts are normally _______
whenever the main gas line pressure is below a preset
pressure.
a. open
b. stable
c. frozen
d. closed - Correct Answers ✅d
The main gas valves are ON/OFF, normally open, single-
seated gas valves, when the electric motors on the valves are
energized.
True
False - Correct Answers ✅b
Most burners have the fuel entering the combustion air
stream at or near a ______ angle to promote good mixing.
The main gas pressure regulator ________ the gas pressure at
a higher setting than the
A low gas pressure cutoff switch _______ the burner from
operating when the gas pressure in the supply line drops
below the pressure necessary to maintain a stable flame at
the burner.
a. cross
, Power Engineering 3B1 Chapter 6 Exam
Questions and Answers
b. right
c. upward
d. down - Correct Answers ✅b
The multi-spud burner has ______ spuds or jets connected to a
circular manifold.
a. two
b. five
c. six
d. eight - Correct Answers ✅d
In a multi-spud burner, each spud is equipped with a ______
valve so that it may be removed for cleaning.
a. cleaning
b. shutoff
c. globe
d. regulating - Correct Answers ✅b
The nitrogen and oxygen in the combustion air ______ at high
temperatures to form NOX.
Questions and Answers
The gas pilot pressure regulator ________ the incoming header
gas pressure, ensuring a satisfactory pilot flame.
a. reduces
b. increases
c. controls
d. samples - Correct Answers ✅a
The main gas pressure regulator ________ the gas pressure at
a higher setting than the pilot regulator.
a. reduces
b. increases
c. controls
d. samples - Correct Answers ✅c
A low gas pressure cutoff switch _______ the burner from
operating when the gas pressure in the supply line drops
below the pressure necessary to maintain a stable flame at
the burner.
a. promotes
b. prevents
c. opens
d. raises - Correct Answers ✅b
,Power Engineering 3B1 Chapter 6 Exam
Questions and Answers
The high gas pressure switch contacts are normally _______
whenever the main gas line pressure is below a preset
pressure.
a. open
b. stable
c. frozen
d. closed - Correct Answers ✅d
The main gas valves are ON/OFF, normally open, single-
seated gas valves, when the electric motors on the valves are
energized.
True
False - Correct Answers ✅b
Most burners have the fuel entering the combustion air
stream at or near a ______ angle to promote good mixing.
The main gas pressure regulator ________ the gas pressure at
a higher setting than the
A low gas pressure cutoff switch _______ the burner from
operating when the gas pressure in the supply line drops
below the pressure necessary to maintain a stable flame at
the burner.
a. cross
, Power Engineering 3B1 Chapter 6 Exam
Questions and Answers
b. right
c. upward
d. down - Correct Answers ✅b
The multi-spud burner has ______ spuds or jets connected to a
circular manifold.
a. two
b. five
c. six
d. eight - Correct Answers ✅d
In a multi-spud burner, each spud is equipped with a ______
valve so that it may be removed for cleaning.
a. cleaning
b. shutoff
c. globe
d. regulating - Correct Answers ✅b
The nitrogen and oxygen in the combustion air ______ at high
temperatures to form NOX.
