Secondary brass - Study guides, Class notes & Summaries
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Boiler Operator Licensing Exam Questions With Verified Answers
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Boiler Operator Licensing Exam Questions 
With Verified Answers 
1 or more safety valves - answerall steam boilers must have 
Locked closed - answerbefore anyone enters the boiler drum, the main steam stop valve, 
bottom blowdown valves, & feedwater valves should be 
212 degrees F - answerat atmospheric pressure, water begins to boil at approximately 
Fuel oil, gas, & coal - answerfuels most commonly used in boilers 
Steam pressure gauge - answermust be connected to the highest part of the steam...
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Boiler Operator Licensing Exam Questions With Verified Answers
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Boiler Operator Licensing Exam Questions 
With Verified Answers 
all steam boilers must have - answer1 or more safety valves 
before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & 
feedwater valves should be - answerLocked closed 
at atmospheric pressure, water begins to boil at approximately - answer212 degrees F 
fuels most commonly used in boilers - answerFuel oil, gas, & coal 
must be connected to the highest part of the steam side of the boiler - answerS...
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Boiler Operator Licensing Exam
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1 or more safety valves - Answer- all steam boilers must have 
 
Locked closed - Answer- before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 
 
212 degrees F - Answer- at atmospheric pressure, water begins to boil at approximately 
 
Fuel oil, gas, & coal - Answer- fuels most commonly used in boilers 
 
Steam pressure gauge - Answer- must be connected to the highest part of the steam side of the boiler 
 
Half full - Answer- with ...
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NCCER Electrical Exam Q&A with Complete Solution
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NCCER Electrical Exam Q&A with Complete Solution 
 
Which Article of the NEC covers grounding? - article 250 
 
Which of the following is a 90 degree, explosion proof fitting? - GUAL 
 
What is a dropout plate? - Metal plate with a curved surface for cable to follow as it passes from the tray 
 
All of the following are common service voltages in the United States EXCEPT: - 372/575 3-PHASE, 4-WIRE 
 
What does a GFCI breaker do? - Opens a circuit to prevent operation of an electrical device 
 
W...
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Boiler Operator Licensing Exam Questions with Correct Answers
- Exam (elaborations) • 8 pages • 2024
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Boiler Operator Licensing 
Exam Questions with 
Correct Answers 
1 or more safety valves - Answer-all steam boilers must have 
Locked closed - Answer-before anyone enters the boiler drum, the main steam stop 
valve, bottom blowdown valves, & feedwater valves should be 
212 degrees F - Answer-at atmospheric pressure, water begins to boil at approximately 
Fuel oil, gas, & coal - Answer-fuels most commonly used in boilers 
Steam pressure gauge - Answer-must be connected to the highest part of t...
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HVAC NATE Heat Pump Exam Questions and Answers 100% Pass
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HVAC NATE Heat Pump Exam Questions and 
Answers 100% Pass 
On an R-22 system, line diameters and lengths are typically specified for a vapor 
pressure drop that does not exceed what? -Answer-6-7PSI or 6F 
What is the primary purpose of using flux when soldering copper or brass parts? - 
Answer-Prevent Oxidation 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? - 
Answer-Drain off and away from the outdoor coil. 
Why must the runoff be drained off and away from...
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Boiler Operator Licensing Exam with verified solution 2024
- Exam (elaborations) • 11 pages • 2024
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Boiler Operator Licensing Exam1 or more safety valves - correct answer all steam boilers must have 
 
Locked closed - correct answer before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 
 
212 degrees F - correct answer at atmospheric pressure, water begins to boil at approximately 
 
Fuel oil, gas, & coal - correct answer fuels most commonly used in boilers 
 
Steam pressure gauge - correct answer must be connected to the highest ...
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Stationary Engineering Test Exam Questions And Answers 100% Solved
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Stationary Engineering Test Exam 
Questions And Answers 100% Solved 
When designing a boiler, special consideration must be given to heat transmission - 
answerRadiation, conduction, and convection 
Which type of heat transfer takes place by actual physical contact, from molecule to molecule, 
without displacing the molecules? - answerConduction 
Which type of boiler is the most economical to build? - answerFiretube 
A boiler is an industrial boiler when - answerThe steam generated is used for a...
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4 A ABSA Questions Correctly Answered To Score A+!!
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4 A ABSA Questions Correctly Answered To Score A+!! 
 
where do we use stays on a fire-tube boiler? 
A) at the top of the boiler 
b)outside of the boiler to mounting brackets 
c) in the steam space of the boiler 
d)between the tubes 
C 
vanstone flange held in place? 
A)screwed fittings 
B)loosely 
C) threaded 
d)star pattern 
B 
effiency of electrostatic precipitator? 
a) 84% 
b)92.9% 
c)98.9% 
d)99.9% 
D 
what is aluminum made from? 
1)pig iron 
2)aluxes 
3)bauxite 
4)copper 
3 
what is a clas...
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Boiler Operator Licensing Exam Questions with Correct Answers
- Exam (elaborations) • 8 pages • 2024
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Boiler Operator Licensing 
Exam Questions with 
Correct Answers 
1 or more safety valves - Answer-all steam boilers must have 
Locked closed - Answer-before anyone enters the boiler drum, the main steam stop 
valve, bottom blowdown valves, & feedwater valves should be 
212 degrees F - Answer-at atmospheric pressure, water begins to boil at approximately 
Fuel oil, gas, & coal - Answer-fuels most commonly used in boilers 
Steam pressure gauge - Answer-must be connected to the highest part of t...
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