Stationary Engineer (ENGINEERING)
Liberty University
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Stationary Engineer Exam Questions And Answers
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Stationary Engineer Exam Questions And Answers 
 
How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? - ANS 7 feet 
 
On a gas fired boiler what is the proper gas to air mixture - ANS 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% 
 
What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - ANS ...
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NAPE Engineer study guide for City of Omaha Exam Questions And Answers
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NAPE Engineer study guide for City of Omaha Exam Questions And Answers 
 
1. How can you lose your license?** 
Drinking on the job, sleeping on the job, negligence, unsafe work, signing a falsified license application, or failing to annually renew your license. 
 
 
2. What must you do if you change jobs? 
You must notify city hall of change in address, change of jobs, or retirement. 
 
 
3. Why should you do rounds?** 
To get familiar with your equipment and develop logs to prevent breakdowns....
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City of Omaha 3rd Grade N.A.P.E. Stationary Engineers Test 2023 (Correctly answered questions)
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1.	How can you lose your license?: Drinking on the job / sleeping on the job / negligence / unsafe work / failing to renew your license annually / signing a falsified licensing application for someone 
2.	What must you do if you change jobs?: You must notify city hall if you change jobs, change your address or if you retire 
3.	Why should you do rounds?: You do rounds so that you can find and correct problems to prevent break downs. Keeping permanent records will make it easier to forecast most ...
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Exam (elaborations) Stationary Engineer
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ow much clearance from the top of the boiler is needed for a HP boiler that produces 
70000 lbs of steam? - ANSWER 7 feet 
On a gas fired boiler what is the proper gas to air mixture - ANSWER 30%-70% and in 
special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% 
What is the total hardness in a system that was found to have calcium hardness of 
60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? - 
ANSWER TH=(Ca x 2.5) + (Mg x 4.1)nTH=(60 x 2.5) + (18 ...
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Exam (elaborations) Stationary Engineer (ENGINEERING)
- Exam (elaborations) • 28 pages • 2023
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AC circuit consists only of a pure inductance and a power source. The relationship 
between the voltage and the current in this circuit is that the - ANSWERS current lags 
the voltage 
The power factor of a load is equal to the ____________ power divided by the 
____________ power. - ANSWERS True ; apparent 
A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn 
by this parallel combination is 30 amps. Under these conditions, the line voltage will be 
______...
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Stationary Engineer| 628 questions| with complete solutions
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How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? correct answer: 7 feet 
 
On a gas fired boiler what is the proper gas to air mixture correct answer: 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% 
 
What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? correct answer: TH=(Ca x 2.5) + (Mg x 4.1)...
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City of Omaha Stationary Engineer First Grade questions with complete solutions
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What is a return tubular boiler? correct answer: A return tubular boiler - the products of combusting passing through the tubes while the water surrounds the tubes. 
 
What is a water tube boiler? correct answer: A water tube boiler - water inside the tubes while the production of combustion passes around the tubes. 
 
How is the head of a B&W boiler stayed? correct answer: There are no stays 
 
Why are the tubes on a Sterling Boiler bent? correct answer: So they can enter the drum radially....
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Stationary Engineer local 99| 214 questions| with complete solutions
- Exam (elaborations) • 41 pages • 2023
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In a reciprocating feedwater pump, the _______________ 
 A. water piston is larger than the steam piston 
 B. water and steam piston are the same size 
 C. steam piston is larger than the water piston 
 D. steam valve has to be as large as the water valve correct answer: C. steam piston is larger than the water piston 
 
An ignition arch is used with a(n) ________________ stoker 
 A. sidefeed 
 B. spreader 
 C. underfeed 
 D. chain grate correct answer: D. Chain grate 
 
The try cocks on a wat...
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MD Stationary Engineer questions with complete solutions
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Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ correct answer: Formation of soot and smoke 
 
In the event of a flame failure, the programmer will______ correct answer: Secure the fuel, purge the firebox, and then shut down 
 
Boil the water must be conditioned to prevent ______ (3 Answers) correct answer: Formation of scale, oxygen pitting, carryover 
 
Rank refers to the __________ of the coal correct answer: Deg...
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Stationary Engineer Electric| 359 questions| with complete solutions
- Exam (elaborations) • 42 pages • 2023
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An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answer: current lags the voltage 
 
The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answer: True ; apparent 
 
A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage wil...
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