Power Engineering 3B1 Chapter 6 Exam Questions and Answers The gas pilot pressure regulator ________ the incoming header gas pressure, ensuring a satisfactory pilot flame.
- reduces
- increases
- controls
- samples - Correct Answers ✅a
- reduces
- increases
- controls
- samples - Correct Answers ✅c
- promotes
- prevents
- opens
- raises - Correct Answers ✅b 1 / 3
The main gas pressure regulator ________ the gas pressure at a higher setting than the pilot regulator.
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.
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.
- open
- stable
- frozen
- closed - Correct Answers ✅d
- cross 2 / 3
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.
Power Engineering 3B1 Chapter 6 Exam Questions and Answers
- right
- upward
- down - Correct Answers ✅b
- two
- five
- six
- eight - Correct Answers ✅d
- cleaning
- shutoff
- globe
- regulating - Correct Answers ✅b
- / 3
The multi-spud burner has ______ spuds or jets connected to a circular manifold.
In a multi-spud burner, each spud is equipped with a ______ valve so that it may be removed for cleaning.
The nitrogen and oxygen in the combustion air ______ at high temperatures to form NOX.