Vapor pressure Study guides, Class notes & Summaries
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ENL1501 Assignment 1 Semester 1 2024 (Solutions)
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ENL1501 Assignment 1 Semester 1 2024 (Solutions) 
 
Question 1 
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How can packaging support the environment? 
a. 
By providing clear environmental information 
b. 
By using excessive materials 
c. 
By making products more expensive 
d. 
By being visually unappealing 
Clear my choice 
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What is the primary role of air for bioresources? 
a. 
Providing structural s...
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HVAC NATE Heat Pump |171 questions| with correct answers
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On an R-22 system, line diameters and lengths are typically specified for a vapor pressure drop that does not exceed what? CORRECT ANSWER 6-7PSI or 6F 
 
What is the primary purpose of using flux when soldering copper or brass parts? CORRECT ANSWER Prevent Oxidation 
 
The water that results from a defrost cycle of an air to air heat pump(runoff) must? CORRECT ANSWER Drain off and away from the outdoor coil. 
 
Why must the runoff be drained off and away from the outdoor coil? CORRECT ANSWER Exc...
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Q-01 FDNY COMPLETE ACTUAL EXAM / 200+ WELL STRUCTURED QUESTIONS AND CORRECT ANSWERS 2023/2024 LATEST VERSION.
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Q-01 FDNY COMPLETE ACTUAL EXAM / 
200+ WELL STRUCTURED QUESTIONS AND 
CORRECT ANSWERS 2023/2024 LATEST 
VERSION. 
2 / 24 
1. Rupture members,when used in parallel with a relief valve,are not to exceed 
% above designed working pressure: 20% 
2. Butterfly valve: where can it be used?: Can be used on the inlet and outlet ofa water pump 
3. What electrical motor protection device automatically resets itself?: Thethermal protector 
4. 746 watts equals how many kilowatt hours?: .746 kilowatt hours 
5...
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HVAC (EPA Certification Exam Section 608) Questions With Verified Solutions | ALREADY PASSED | LATEST REVISED UPDATE
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HVAC (EPA Certification Exam 
Section 608) Questions With 
Verified Solutions | ALREADY 
PASSED | LATEST REVISED 
UPDATE 
What does a metering device do? - ANSWER The metering 
device causes a reduction in pressure, and therefore a reduction 
in saturation temperature. 
What is absorbed in the evaporator? - ANSWER Heat is 
absorbed in the evaporator. 
What happens in the evaporator? - ANSWER Heat is absorbed 
in the evaporator and causes the refrigerant to boil from liquid to 
vapor. 
At...
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Minnesota Special Engineer Boiler License Exam Prep (2023/2024 Update) | Questions and Verified Answers| 100% Correct
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Minnesota Special Engineer Boiler License Exam Prep (2023/2024 Update) | Questions and Verified Answers| 100% Correct 
 
Q: A feed water line must have what two valves? 
 
 
Answer: 
Check & stop 
 
 
 
Q: After a new boiler is installed, what must be performed? 
 
 
Answer: 
Hydrostatic test 
 
 
 
Q: All stationary boilers of what pressure must have 2 valves on the blow off line? 
 
 
Answer: 
100psi 
 
 
 
Q: How is boiler efficiency calculated? 
 
 
Answer: 
Output divided by input 
 
 
 
Q:...
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S-290 Final Exam Questions and Answers Already Passed
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S-290 Final Exam Questions and Answers Already Passed 
T/F Topography can directly and indirectly affect fuels and their availability for combustion. True 
Of the three primary environmental factors that influence fire behavior, which is the least variable? Topography 
The least critical form of heat transfer that influences rate of spread in a running wild land fire is: Conduction 
The point to which a combustible material must be heated to produce self-sustaining combustion is known as the: Ig...
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FSC 325 Final Exam questions with correct solution
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What is the 3-step mechanism for drying? correct answers 1. hot air passed over wet food surface 
2. latent heat of vaporization causes water to evaporate 
3. water vapor is carried away by moving air 
 
What happens to the vapor pressure of the interior of food during drying? correct answers increases 
 
What happens to the vapor pressure of food surfaces during drying? correct answers decreases 
 
What are psychrometrics? correct answers study of the interaction of temperature and the humidity...
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LP-Gas Texas Bobtail Questions and Answers 100% Pass
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LP-Gas Texas Bobtail Questions and Answers 100% Pass 
required for all piping systems that serve _______ psig appliance systems. normally operated at 11 in WC pressure 1/2 
required for all piping systems that serve 1/2 psig appliance systems. normally operated at ______ in WC pressure 11 
above group LP-gas containers must not be located within ____ feet of the vertical plane beneath overhead electric power lines that are over _____ volts 6 600 
Fire Extinquishers must have minimum capacity of ...
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EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+
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EPA 608 CORE Exam Questions and Answers (2022/2023) 
(Verified Answers) Graded A+ 
What characteristic or characteristics of CFCs make them more likely than other 
chlorine compounds to reach the stratosphere? Dont disolve iin water 
Each chlorine atom in the stratosphere can destroy how many ozone molecules? 
100,000 ozone molecules 
Which refrigerant contains a CFC? 
R500, R12, R113 or R11? Theyre all CFC's 
HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, 
chlorine, flouri...
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Q-01 FDNY Exam With 100% Correct Answers
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Q-01 FDNY Exam With 100% Correct 
Answers 
Rupture members, when used in parallel with a relief valve, are not to exceed _____% above 
designed working pressure - answer20% 
Butterfly valve: where can it be used? - answerCan be used on the inlet and outlet of a water 
pump 
What electrical motor protection device automatically resets itself? - answerThe thermal 
protector 
746 watts equals how many kilowatt hours? - answer.746 kilowatt hours 
What position is the liquid line service valve normal...
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