What is the hottest section of the furnace?
A) Damper
B) Radiant tubes
C) Firebox
D) Refractory
Answer: C
Explanation: A) Incorrect. The purpose of the damper is to regulate the flow of air or draft in the furnace.
B) Incorrect. Radiant tubes are tubes located in the firebox that receive heat primarily through radiant heat transfer from the burners.
C) Correct. The firebox is the combustion area. It is the hottest section of the furnace.
D) Incorrect. The refractory lining, sometimes called fire brick, is a bricklike form of insulation used inside high temperature applications.
You might also like to view...
Match each item with a statement below.
A. A single trainer works with multiple trainees in a formal setting B. Can serve as a training case for future staff C. Defines roles and responsibilities for information security D. Too risky for most businesses E. Trainees receive a seminar presentation at their computers F. A source of information for developing IR policy G. An online resource for IR H. A review of an unusual pattern of entries in a system log I. Usually activated when an incident causes minimal damage with little or no disruption to business operations
Which of the following describes the standard in NFPA 70E®?
a. A worker with a disability has equal rights to employment. b. Employers with greater than 10 employees must keep records of work-related injuries and illnesses. c. Safe work practices must be applied when working on or near exposed energized parts. d. All tools, equipment, and machines must be inspected by the employer before use.
Two standards for flare fittings are:
A) Imperial standard and metric. B) The National Pipe and the Society of Automotive Engineers (SAE). C) Aluminum and magnesium. D) Imperial metric and standard.
Females have two of the same sex chromosomes.
Answer the following statement true (T) or false (F)