USCG USCG Motor
Set 12 • Question #112 of 382
Launch Interactive Practice Room Which of the following methods is typically employed in the design of waste heat boilers to obtain maximum heat transfer, while maintaining low overall weight?
A
Feedwater is preheated in a separately fired economizer.
B
An external superheater unit is located above the boiler in the gas passages.
C
An unfired exhaust gas preheater is added to increase the heat transfer rate.
D
Steel fins are installed on the generating tube surfaces to increase the effective surface area.
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'Which of the following methods is typically employed in the design of waste heat boilers to obtain maximum heat transfer, while maintaining low overall weight', the correct operational principle is: 'Steel fins are installed on the generating tube surfaces to increase the effective surface area.'.
Question Discussion & Notes
0Have a doubt, memory trick, or exam update? Share your insights with fellow mariners.
Loading mariner discussions...