Puzzles
PUZZLE NO. 003  · INDUSTRY EDITION
CROSS-CONNECTIONS
Every clue draws from the world of boilers, pumps, coils, and mechanical systems. Tap a square to begin.
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Select a square to begin.
Boiler Room Trivia
GP Energy Products Group  • Industry Challenge  • Round 2
Answer correctly to reveal your award
0 of 5 correct
1
In a wetback Scotch Marine boiler, what replaces the refractory lining in the rear combustion gas reversal chamber?
2
What is the primary advantage of a plate heat exchanger over a shell and tube heat exchanger in commercial HVAC applications?
3
In a variable flow hydronic system, where should the differential pressure sensor be located to maximize energy savings?
4
A condensing boiler is rated at 94% AHRI thermal efficiency. Under what condition will it fail to achieve that rated efficiency in the field?
5
What is the primary design concern when specifying a replacement coil for a high-temperature hot water system operating above 250 degrees Fahrenheit?
