POWER ENGINEERING 3B2 - CHAPTER 13 EXAM QUESTIONS AND ANSWERS. VERIFIED 2026.

POWER ENGINEERING 3B2 - CHAPTER
13 EXAM QUESTIONS AND ANSWERS.
VERIFIED 2026.




Most indirect fired heaters have ______________ firing systems.



a. elaborate

b. very expansive

c. simple

d. complicated

e. manual - ANS C



The pilot used for most of the indirect fired heaters are the ______________ type.



a. on-demand

b. ignition

c. interrupted

d. continuous

e. intermittent - ANS D




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, The main burner on the indirect fired heater is turned off and on by a thermostat which senses
___________________.



a. the heater stack temperature

b. the heater solution temperature

c. the fire tube temperature

d. the coil bundle temperature

e. the flue gas temperature - ANS B



Before starting an indirect fired heater, ensure the proper operating level of the heat transfer
fluid has been established in the heater shell and __________________.



a. the level is always above the process heating coil

b. the level is always just below the process heating coil

c. the level is always between the fire tube and the process tube

d. the level is always at the mid point of the heater

e. the level is always above the expansion tank - ANS A



The burner of an indirect heater will burn at ____________ rate until the desired heat transfer
fluid temperature is reached.



a. ¼

b. ½

c. ¾

d. full

e. modulating - ANS D



2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.