Water tube boiler Study guides, Class notes & Summaries
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Commercial Boilers Final
- Exam (elaborations) • 53 pages • 2024
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Quiz #1 
What physical changes will occur to the steam within a boiler that has been properly bottled up when additional heat is applied? 
A) The steam pressure and it specific volume will remain constant. 
B) The pressure will increase and the volume will remain constant. 
C) The pressure will remain constant and the specific volume will increase. 
D) The pressure will increase and the specific volume will decrease. 
D 
Quiz #1 
A natural circulation water-tube boiler, with one or more water dr...
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NAPE Third Grade Engineering Review Test Questions with Verified Solutions
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NAPE Third Grade Engineering Review 
Test Questions with Verified Solutions 
 
How Can you lose your license? Drinking on the job, sleeping, negligence, unsafe work, 
failing to renew license, signing a falsified licensing application. 
 
What must you do if you change jobs? You must notify City Hall if you change jobs, change 
address or retire 
 
Why should you do rounds? To find and correct problems, prevent breakdowns, keeping 
permanent records will make it easier to forecast most breakdown...
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Massachusetts Journeyman Pipefitter Exam (Heating, Cooling) PJ-01 Exam Questions and Answers
- Exam (elaborations) • 7 pages • 2023
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1/2" - ANSWER-Sight Glass Minimum Connection 
 
3/4" - ANSWER-Low Water Cut-off Draw Minimum Connection 
 
1" - ANSWER-Water Column Minimum Connection 
 
3/4" - ANSWER-Control Manifold Minimum Connection 
 
1/4" - ANSWER-Sight Glass Drain Minimum Connection 
 
1" - ANSWER-Bottom Blow-Off Minimum Connection 
 
2 1/2" - ANSWER-Bottom Blow-Off Maximum Connection 
 
2 1/2" - ANSWER-Surface Blow-Down Maximum Connection 
 
3" - ANSWER-Threaded Safety Valve Maximum Connection 
 
4 1/2" - ANSW...
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Grade 3 Engineering Omaha exam prep by NAPE Questions and Answers Already Passed
- Exam (elaborations) • 124 pages • 2024
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Grade 3 Engineering Omaha exam prep 
by NAPE Questions and Answers 
 
Already Passed 
 
#1 How can you loose your license? drinking on the job, sleeping on the job, negligence 
unsafe work, signing a falsified license application for someone, failing to renew your license 
annually 
 
#2 What must you do if you change jobs? Notify city hall if you change jobs, address or 
retire 
 
#3 Why should you do rounds? Find and correct problems to prevent breakdowns. Keeping 
permanent records will make ...
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upStationary Grade 3 Engineering License Exam - Q & A , Complete Solutions
- Exam (elaborations) • 52 pages • 2024
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upStationary Grade 3 Engineering License Exam - Q & A , Complete Solutions How can you lose your license? 1) drinking on the job 2) sleeping on the job 3) negligence 4) unsafe work 5) signing a falsified license application for someone 6) failing to renew your license annually What must you do if you change jobs? notify city hall if you change jobs, address or retire Why should you do rounds? Find and correct problems to prevent breakdowns. Keeping permanent records will make it easy to foreca...
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Plant Operations BOMA Pre-Quiz 1-100 Latest Version Already Passed
- Exam (elaborations) • 34 pages • 2024
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Plant Operations BOMA Pre-Quiz 1-100 
Latest Version Already Passed 
 
How may fittings be attached to a high pressure boiler? 
a. threaded 
b. certified welds 
 
c. flanges 
d. any of the above d. any of the above 
 
Which test determines the relieving capacity of safety valves? 
a. hydrostatic test 
b. accumulation test 
 
c. orsat test 
 
ration test b. accumulation test 
 
Flue gasses can leave at high temperatures. We can recover some of this heat using a(n): 
a. flash tank 
b. open feedwat...
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4th Class Power Engineering Unit A11: Introduction to Boiler Designs Already Passed
- Exam (elaborations) • 41 pages • 2024
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4th Class Power Engineering Unit A11: 
Introduction to Boiler Designs Already 
 
Passed 
 
This type of boiler is more tolerant of Class 1 water treatment, because they are more resistant to 
corrosion: 
 
Select one: 
a. coil type 
b. fire tube 
c. cast iron 
 
d. water tube c 
 
One disadvantage of a firetube boiler is: 
Select one: 
a. higher maintenance costs than watertube boilers 
b. slow response to load changes 
c. require very high quality feedwater 
d. slow to bring up to operating pre...
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4A Unit 11 Questions and Answers Rated A+
- Exam (elaborations) • 41 pages • 2024
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4A Unit 11 Questions and Answers 
 
Rated A+ 
 
(4-055-8.1) In a bottom-supported boiler, the steam drum is usually: 
Select one: 
a. Placed between the centre line of the unit 
 
b. Supported by piers 
c. Supported by the water tubes 
d. Supported by an overhead girder arrangement c. Supported by the water tubes 
 
(4-054-1.16) The electrode type boiler: 
Select one: 
 
a. Requires water that conducts electricity 
b. Utilizes bundles of electric elements 
c. Must operate at very constant pressu...
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Stationary Engineer Exam Questions With Correct Answers Latest 2024-2025 (GRADED A+)
- Exam (elaborations) • 63 pages • 2024
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Stationary Engineer Exam Questions With Correct Answers Latest (GRADED A+) 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 x 4.1)nTH= 150+73.8 =( 
223.8 PPM) 
How often s...
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NAPE Engineer study guide for City of Omaha Exam Questions And Answers
- Exam (elaborations) • 40 pages • 2024
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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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