Superheated steam - Study guides, Class notes & Summaries
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Stationary Engineer License Exam Prep Questions And Answers 100% Solved
- Exam (elaborations) • 68 pages • 2024
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Stationary Engineer License Exam Prep 
Questions And Answers 100% Solved 
A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage 
of 220 volts. 
A. 100 
B. 150 
C. 175 
D. 200 
A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps 
At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? 
A. 144 
B. 180 
C. 970 
D. 1190 
C. 970 BTU 
Radiation is: 
A. the movement of liquids or gases created by a temperature difference. 
...
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MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS WITH VERIFIED ANSWERS GRADED A+ 2024/2025
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MA 2nd CLASS FIREMAN’S PRACTICE EXAM 106 QUESTIONS WITH VERIFIED ANSWERS GRADED A+ 2024/2025 
 
 
At 0 PSIG, how many BTU are necessary to change 1 lb of water at 212 degrees Fahrenheit into 1 lb of steam? 
a) 144 
b) 180 
c) 970 
d) 1,190 Correct Answer: c) 970 
 
What is required to raise the temperature of 1 lb of water from 32 degrees to 212 degrees Fahrenheit? 
a) 144 Btu 
b) 180 Btu 
c) 970.3 Btu 
d) Saturated heat Correct Answer: b) 180 Btu 
 
Increasing the pressure has what effect on ...
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Stationary Engineer License Exam Prep - Complete Solutions (Answered)
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Stationary Engineer License Exam Prep - Complete Solutions (Answered) The pressure sensitive device attached to a fan housing is called a a. pressuretrol b. aquastat c. thermostat d. vaporstat Draft is measured in a) ounces per square inch b) inches of water c) inches of mercury d) pounds per square inch Which of the following is used to measure temperature? a. fyrite analyzer b. vaporstat c. orsat analyzer d. pyrometer The main stop valve is located on the a) oil supply line b) condensate bre...
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4th Class Power Engineering Unit A11: Introduction to Boiler Designs Already Passed
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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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3rd class stationary steam engineer license prep Questions and Answers 100% Pass
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3rd class stationary steam engineer license 
prep Questions and Answers 100% Pass 
_________ are necessary for complete combustion - Correct Answer ️️ -time, 
temperature, mixture, and atomization 
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - 
Correct Answer ️️ -214.7 
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 
398 PSI. The blowdown is______psi - Correct Answer ️️ -12 
an oil cooler is commonly used with ...
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3RD CLASS STATIONARY STEAM ENGINEER LICENSE EXAM QUESTIONS WITH 100% CORRECT ANSWERS
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_________ are necessary for complete combustion - correct answer time, temperature, mixture, and atomization 
 
if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ - correct answer 214.7 
 
a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi - correct answer 12 
 
an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo-generator - correct answer steam turbine 
 
a b...
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Stationary Engineer License Exam Prep Questions And Answers 100% Solved
- Exam (elaborations) • 68 pages • 2024
- Available in package deal
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- $14.49
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Stationary Engineer License Exam Prep 
Questions And Answers 100% Solved 
A ______ fuse is necessary for a circuit with a load of 21,000 watts and a voltage 
of 220 volts. 
A. 100 
B. 150 
C. 175 
D. 200 
A. 100 amps. Note: V = IR Therefore I = V/R 21,000 amps /220 volts = 95 amps 
At 0 psig, how many BTU's are required to change 1 lb of water at 212F to steam? 
A. 144 
B. 180 
C. 970 
D. 1190 
C. 970 BTU 
Radiation is: 
A. the movement of liquids or gases created by a temperature difference. 
...
-
Boiler Operators Exam Correctly Solved
- Exam (elaborations) • 13 pages • 2024
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Boiler Operators Exam Correctly Solved 
 
At 0 pounds per square inch (psi), how many Btu are necessary to change 1 lb of water at 212 degree Fahrenheit into 1 lb of STEAM - 970 Btu 
 
What is Radiation? - A form of heat transfer by waves 
 
What is Superheated steam? - Steam at 100 psi and at 400 Fahrenheit 
 
Heat quantity that can be felt or measured by a thermometer - Sensible Heat 
 
Temperature required to raise 1 lb of water from 32 degree Fahrenheit to 212 degree Fahrenheit - 180 Btu 
 
...
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First Class Steam License with verified solution 2023/2024
- Exam (elaborations) • 15 pages • 2023
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First Class Steam Licenseif the boiler is generating 20,000 lb/hr of steam, it must be supplied with ________ lb/hr of feedwater - correct answer 20,000 
 
from the deaerator, oxygen and other noncondensable gases are separated from the feedwater and directed to the atmosphere _________ - correct answer through the vent 
 
a(n) ___________ system is a system of measuring instruments and controllers that work together to control a process - correct answer controll 
 
one pound of water is needed ...
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Ohio stationary steam engineer Exam Questions and Answers 100% Pass
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Ohio stationary steam engineer Exam 
Questions and Answers 100% Pass 
Combustion efficiency may be increased by_____ the primary air - Correct Answer ️️ 
-Preheating 
What is the purpose of cinder reinjection? - Correct Answer ️️ -increase efficiency 
2 forces of equal intensity acting in opposite directions is? - Correct Answer ️️ -tension 
What is true about the dew poimt of flue gasses - Correct Answer ️️ -dew point is the 
temp at which the gasses will condense 
What will not...
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