Secondary brass - Study guides, Class notes & Summaries
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MOD B Basic Fire Operations exam questions and answers
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Common Hose Materials 
-Cotton 
-Nylon 
-Rayon Vinyl 
-Poly-mired vinyl 
-polyester 
 
 
 
Braided Hose 
yarn braided over a rubber liner 
 
 
 
Wrapped Hose 
fabric or mesh material impregnated with rubber or plastic wrapped around a rubber liner and covered with plastic or rubber 
 
 
 
Woven Hose 
rubber liner and one or more woven outer layers 
 
 
 
Hose Jacket 
Outer woven layer of a woven hose 
 
 
 
Hose Coupling Materials 
Brass alloy 
Aluminum alloy 
Magnesium 
 
 
 
Types of Couplings...
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boiler exam study guide 2 verified to pass 2023/2024
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boiler exam study guide 2The bottom blowdown on a boiler ___. - correct answer removes sludge and sediment from the mud drum 
 
Boiler tubes are sized using the ___. - correct answer outside diameter 
 
A boiler fusible plug is brass or bronze with a core of ___. - correct answer tin 
 
Spalling in a boiler refers to ___. - correct answer hairline cracks in the refractory 
 
Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - correct answer...
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Boiler Exam Practice Tests 2023/2024 already passed
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Boiler Exam Practice Testsremoves sludge and sediment from the mud drum - correct answer The bottom blowdown on a boiler ___. 
 
outside diameter - correct answer Boiler tubes are sized using the ___. 
 
tin - correct answer A boiler fusible plug is brass or bronze with a core of ___. 
 
hairline cracks in the refractory - correct answer Spalling in a boiler refers to ___. 
 
34.5 - correct answer Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 2...
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Boiler Operator Licensing Exam Questions and Answers Graded A+
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Boiler Operator Licensing Exam 
Questions and Answers Graded A+ 
 
all steam boilers must have 1 or more safety valves 
 
before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & 
feedwater valves should be Locked closed 
 
at atmospheric pressure, water begins to boil at approximately 212 degrees F 
 
fuels most commonly used in boilers Fuel oil, gas, & coal 
 
must be connected to the highest part of the steam side of the boiler Steam pressure gauge 
 
with an...
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Boiler Operator Licensing Exam Questions With Quality Answers 2024.
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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 ...
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boiler exam study guide 2
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The bottom blowdown on a boiler ___. - Answer- removes sludge and sediment from the mud drum 
 
Boiler tubes are sized using the ___. - Answer- outside diameter 
 
A boiler fusible plug is brass or bronze with a core of ___. - Answer- tin 
 
Spalling in a boiler refers to ___. - Answer- hairline cracks in the refractory 
 
Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. - Answer- 34.5 
 
A siphon installed between the boiler and the press...
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Boiler Operator Licensing Exam correctly answered graded A+ 2023/2024
- Exam (elaborations) • 11 pages • 2023
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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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The electrical NCCER test Questions and Answers 100% Accurate
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The electrical NCCER test Questions and Answers 100% Accurate 
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 ...
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Boiler Exam Practice Tests 2023/2024 with Complete Solutions
- Exam (elaborations) • 18 pages • 2023
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removes sludge and sediment from the mud drum - ANSWER-The bottom blowdown on a boiler ___. 
 
outside diameter - ANSWER-Boiler tubes are sized using the ___. 
 
tin - ANSWER-A boiler fusible plug is brass or bronze with a core of ___. 
 
hairline cracks in the refractory - ANSWER-Spalling in a boiler refers to ___. 
 
34.5 - ANSWER-Boiler horsepower is the evaporation of ___ lb of water/hr from and at a feedwater temperature of 212°F. 
 
steam temperature - ANSWER-A siphon installed between th...
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4 A ABSA Questions with 100% Correct Answers
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4 A ABSA Questions with 100% Correct Answers 
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 - Answer- C 
vanstone flange held in place? 
A)screwed fittings 
B)loosely 
C) threaded 
d)star pattern - Answer- B 
effiency of electrostatic precipitator? 
a) 84% 
b)92.9% 
c)98.9% 
d)99.9% - Answer- D 
what is aluminum made from? 
1)pig iron 
2)aluxes 
3)bauxite 
4)copper ...
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