What section of the boiler is where the burners are located and where radiant heat transfer occurs?

A) Firebox
B) Burners
C) Air registers
D) Stack


Answer: A
Explanation: A) Correct. The firebox is the section of the boiler where the burners are located and where radiant heat transfer occurs.
B) Incorrect. Burners are devices used to mix and burn an air/fuel mixture in the firebox section.
C) Incorrect. Air registers control the flow of air to the firebox section of a boiler.
D) Incorrect. The stack is located at the outlet of the boiler, which removes flue gas from the boiler.

Trades & Technology

You might also like to view...

The ____is designated by the vertical stem, either straight or bent and capped with an arrow.

a. Selector Switch b. Pushbutton c. On Button d. Motor Stator

Trades & Technology

____ provide a delayed action changing operating states of the contacts associated with its control coil.

a. Indicator lamps b. Timing relays c. Ladder rungs d. Thermal overload

Trades & Technology

Find the node voltages for the circuit in Fig. 3.80.

Trades & Technology

The two main types of fan drives are

A) Serpentine belt and chain drive B) Magnetic drive and hydrodrive C) Planetary gear drive and worm gear drive D) Direct drive and belt drive

Trades & Technology