Heat exchanger Study guides, Class notes & Summaries
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FDNY S-92 exam 2023/2024 with 100% correct answers
- Exam (elaborations) • 11 pages • 2023
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The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke). - correct answer Portable fueled salamanders/space heaters 
 
National Institute for Occupational Safety and Health (NIOSH) Recommended 
Exposure Limit (REL) for carbon monoxide - correct answer 35 parts per million (ppm) over an 8 hour period 
 
What is the third leading cause of fires in buildings under 
construction ? - correct answer temporary heating 
 
What is direct heat flow through matter? - correc...
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FDNY S-92 EXAM QUESTIONS AND ANSWERS
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The following are types of what? LPG, CNG, piped natural gas or solid fuel (coke). - Answer- Portable fueled salamanders/space heaters 
 
National Institute for Occupational Safety and Health (NIOSH) Recommended 
Exposure Limit (REL) for carbon monoxide - Answer- 35 parts per million (ppm) over an 8 hour period 
 
What is the third leading cause of fires in buildings under 
construction ? - Answer- temporary heating 
 
What is direct heat flow through matter? - Answer- CONDUCTION 
 
What is the ...
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BECC TEST 5 - QUESTIONS AND ANSWERS
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BECC TEST 5 - QUESTIONS AND ANSWERS How often do you sample equipment using 2000 series oil? Daily What equipment is used to conduct a flash point test? NAVI flash LO purifier efficiency should be tested after starting and every thereafter? EOOW, 30 min. & 4 hours What provides a standardized oil analysis testing procedure for the Navy, Army, and Air Force? JOAP (Journal Oil Analysis Program) How long are LO logs kept on board? 2 years What is the purpose of the lube oil heater? Circulating ty...
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Heat Exchangers, 4A Power Engineering - Units 1 – 6 Questions and Answers Rated A+
- Exam (elaborations) • 537 pages • 2024
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Heat Exchangers, 4A Power Engineering 
- Units 1 – 6 Questions and Answers 
 
Rated A+ 
 
1. Which of the following is not a definition of a power plant? 
 
a) Any one or more boilers in which steam or other vapour is 
generated at more than 103 kPa (15 psi). 
b) Any one or more boilers containing liquid and having a 
working pressure exceeding 1100 kPa (160 psi). 
c) Any one or more boilers containing liquid and having a 
working temperature exceeding 121 degrees Celsius (250 
degrees Fahrenh...
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Low pressure boiler practice test fully solved 2023/2024
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Low pressure boiler practice test 
Water, heat and container - correct answer Is necessary to generate steam in a boiler 
 
Heating surface - correct answer The _____ is the part of the boiler with water on one side and heat on the other 
 
Firetube - correct answer A _____ boiler has heat and gases of combustion that pass through tubes surrounded by water 
 
Watertube - correct answer A _____ boiler has water in the tubes and heat and gases of combustion passing around the tubes 
 
Baffles - co...
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NATE Gas Heating Exam Verified Questions and answers 2023 Latest Update
- Exam (elaborations) • 14 pages • 2023
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NATE Gas Heating Exam Verified 
Questions and answers 2023 
Latest Update 
Since 1992, the United States Department of Energy has required that all furnaces sold 
and installed from that date on must have an AFUE of no less than: 
A: 70% 
B: 75% 
C: 78% 
D: 80% - correct answer C: 78% 
Many pre-1992 furnaces have efficiencies around . 
A: 10% 
B: 40% 
C: 60% 
D: 80% - correct answer C: 60% 
Today, furnaces with AFUE ratings greater than are available. 
A: 85% 
B: 90% 
C: 100% 
D: 110% - correct ...
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Heat Exchangers, 4A Power Engineering - Units 1 – 6 Questions and Answers 100% Correct
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Heat Exchangers, 4A Power Engineering - Units 1 – 6 Questions and Answers 100% Correct
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EPRI - Reactor Theory| Engineering Systems Training| 77 QUESTIONS| WITH COMPLETE SOLUTIONS
- Exam (elaborations) • 10 pages • 2022
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Fission correct answer: A neutron interaction in which a nucleus absorbs a neutron, splits into two new nuclei and releases a large amount of energy; the resulting fission fragments emit neutrons and gamma rays and then undergo radioactive decay 
 
Turbines correct answer: A device with rotating blades that are connected to a shaft and turned by having a fluid do work on the blades; in a nuclear power plant, steam turbines are rotated by expanding steam 
 
Describe how a nuclear power plant ge...
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EPA 608 Certification Exam with 100% Correct Answers 2023
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What date was the sale of CFC's & HCFC's restricted to technicians certified in 
refrigerant recovery? - Correct answer-November 14, 1994 
Section 608 of the Federal Clean Air Act requires technicians to what? - Correct 
answer-Recover all refrigerants. 
The objective of the Clean Air Act is to protect what? - Correct answer-The earth's 
stratosphere. 
HFC's - Correct answer-HydroFlouroCarbon's 
CFC's - Correct answer-ChloroFluoroCarbon's 
ODP - Correct answer-Ozone Depletion Potential 
W...
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HVAC Gas Heat certification exam Questions and Answers 100% Pass
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HVAC Gas Heat certification exam 
Questions and Answers 100% Pass 
A gas furnace is to be installed in a garage. The national standards require that the 
burners and ignition sources must be located ______ above the floor - Correct Answer ️️ 
-18 inches 
A good description of how a bi-metal fan switch operates the blower motor on a gas 
furnace is - Correct Answer ️️ -Temperature on- temperature off 
Redundant gas valves used on gas furnaces have - Correct Answer ️️ -Dual gas shut 
o...
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