Latent heat - Study guides, Class notes & Summaries
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WX 201 - Exam #1 Questions and Answers
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WX 201 - Exam #1 Questions and Answers 
Permanent Gases in the Atmosphere 
Constant concentration in the atmosphere 
78% Nitrogen, 21% Oxygen, 1% Other Gases: Argon, Neon, Helium, Krypton, Hydrogen 
 
 
Variable Gases in the Atmosphere 
The amount/concentration in the atmosphere varies or changes 
Includes: Water Vapor, Carbon Dioxide, Methane, and Ozone 
 
 
Sources 
produce gases 
Ex: decaying plants/animals, volcanoes, photosynthesis 
 
 
Sinks 
deplete (remove) gases 
Ex: soil bacteria, resp...
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Refrigeration Machine Operator Course - Turner Exam Questions And Answers
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Refrigeration Machine Operator Course - Turner Exam Questions And Answers 
 
 
What is refrigeration - ANS Refrigeration is the removing of heat from an object or mass and then dissipating that same heat in a place where it's presence will not be objectionable. "Refrigeration systems move heat" 
 
The refrigeration process is made possible by - ANS Boiling a refrigerant 
 
BTU "British Thermal Unit" - ANS A BTU is the quantity of heat needed to raise one pound of water one degree ...
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Power Engineering 4th Class - A2 Questions and Answers Rated A+
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Power Engineering 4th Class - A2 
Questions and Answers Rated A+ 
 
Convert -6°C to °F. 
(-6°C × 9/5) + 32 = 21.2°F 
a. 30.4°F 
 
b. 28.5°F 
c. 21.2°F 
d. 18.6°F 
 
e. 16.7°F 
 
c 
 
Convert 6°F to °C. 
(6°F − 32) × 5/9 = -14.44°C 
a. 30.4°C 
b. 28.5°C 
c. -14.4°C 
d. 18.6°C 
e. -16.7°C 
 
c 
 
How much heat must be supplied to 200 kg of water at 20°C to make steam at 850 kPa abs and 
87% dry? 
 
a. 2039.4 kJ 
b. 407 880 kJ 
c. 1774.28 kJ 
d. 424 627.98 kJ 
e. 484 507.6 kJ...
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Fire Apparatus Driver-Operator - Pumper Module 4 Questions and Answers Fully Solved
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Fire Apparatus Driver-Operator - Pumper Module 4 Questions and Answers Fully Solved 
One gallon of water weighs? 
8.33 lbs 
 
 
 
Water freeze and boil temperatures? 
Freezes: 32° F 
Boils: 212° F 
 
 
 
 
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Brainpower 
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Water expansion ratio at 500° F. 
1,700 to 1 
 
 
 
Law of Specific Heat 
Ability of any substance to absorb heat. Water is the standard for measuring specific heat a...
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CSN AC 110 Esco Exam Practice Questions & 100% Verified Answers | Latest Update | Already Graded A+
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1. Heat which causes a change in temperature of a substance is called; 
A. latent heat 
B. sensible heat 
C. superheat 
D. radiant heat 
: B. sensible heat 
2. Heat added to a substance without a raise in temperature; (example: liquid refrigerant 
to gas) this process is called? 
A. latent heat of vaporization 
B. latent heat of fusion. 
C. superheat of vaporization 
D. superheat of fusion 
: A. latent heat of vaporization 
3. Heat added to the refrigerant in a vapor state after the evaporation...
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EPA 608 Study Material Including (Core, Type 1, 2 And 3) Questions And Answers 2023
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a vacum pump should be connected - Correct answer-as far away from the pump as 
possible 
a high capacity vacuum pump and short, large diameter hoses will - Correct answerdramatically reduce emissions, pressure drop, and evacuation/dehydration time 
ozone contains three - Correct answer-oxygen atoms 
one chlorine atom can destroy - Correct answer-100,000 ozone molecules 
CFC's do not dissolve in water and do not breakdown into other compounds that 
dissolve in water - Correct answer-CFC's cann...
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NATE Final Exam 1 Questions With Correct Answers Latest Updated 2024/2025 (GRADED A+)
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NATE Final Exam 1 Questions With Correct Answers Latest Updated 2024/2025 (GRADED A+) If you purchased ten filter-driers for $100.00, what was the price of each 
filter-drier? 
A: $100.00 
B: $10.00 
C: $1.00 
D: $1.10: B: $10.00 
NATE Final Exam 1 Questions and Answers 
Latest Updated 2024/2025 (GRADED A+) 
2 / 13 
3. Which of the following jobs requires safety glasses? 
A: Driving a vehicle 
B: Extending a ladder 
C: Brazing 
D: Pulling thermostat wire: C: Brazing 
4. Which of the following in...
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+)
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2024 IAI CERTIFICATION EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION.(ALREADY GRADED A+) 
 
 
What sequence of latent print development techniques are used to develop prints from porous materials? Ans- DFO, Ninhydrin, Physical Developer 
 
The final purple coloured compound usually produced with the treatment of Ninhydrin Ans- Ruhemann's Purple 
 
What latent print development technique is used to process nonporous material that are wet? Ans- Small Particle Reagant 
 
A dye whi...
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Power Engineering Technology exam 2023 with 100% correct answers
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Which of the following is an example of a loss of latent heat? 
a. steam condenses 
b. water evaporates 
c. ice melts 
d. refrigerant evaporates - correct answer a 
 
Heat that causes an increase in temperature is called _____ heat. 
a. radiant 
b. sensible 
c. latent 
d. convective - correct answer b 
 
The saturation temperature of a refrigerant is the same as it's: 
a. boiling point 
b. freezing point 
c. saturation pressure 
d. fire point - correct answer a 
 
When a liquid evaporates...
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BECC Mod 7 Questions with 100% Correct Answers | Latest Version 2024 | Expert Verified | Ace the Test
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the delaval lube oil purifier makes what kind of force centrifugal 
what is important about the top disk in the delaval purifier largest disk, has no ribs, holes 
or flanges 
What holds the clamp, forming a seal between the cover and the frame by 
compressing the O-ring cover clamp 
what controls the amount of refrigerant flowing to the evaporator TXV 
how is torque measured foot and inch pounds 
what removes latent heat of condensation condenses refrigerant vapor and subcools liquid 
refrigeran...
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