A combustion control system, diaphragm-type,...

Question 1 / 205eccefa0bacbc34ba4d46eb2

Question 1 of 205eccefa0bacbc34ba4d46eb2

A combustion control system, diaphragm-type, air volume regulator receives its low pressure signal from the boiler __________.

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Question 1 of 20

5eccefa0bacbc34ba4d46eb2

A combustion control system, diaphragm-type, air volume regulator receives its low pressure signal from the boiler __________.

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🔍 Key Concepts

• Understand what a diaphragm-type air volume regulator does in a combustion control system • Know where combustion air pressure is typically sensed to control boiler firing rate • Differentiate the functions and locations of windbox, casing, furnace, and smoke pipe

💭 Think About

• Ask yourself: where is the air pressure most representative of the air actually being supplied to the burners for combustion control? • Which of these locations is on the air side of the system rather than the gas (flue) side? • Which component normally holds the combustion air just before it enters the burners?

✅ Before You Answer

• Identify which choices are primarily associated with air supply versus flue gas/exhaust • Confirm which component directly surrounds or feeds the burner registers in typical boiler diagrams • Eliminate any option that mainly deals with hot gases leaving the boiler instead of air entering it

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Question 1 of 20

A combustion control system, diaphragm-type, air volume regulator receives its low pressure signal from the boiler __________.

windbox

casing

furnace

smoke pipe

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