Evaporator Study guides, Class notes & Summaries
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ASE A7 Heating Air Conditioning Exam
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A CCOT system has a high high side. Technician A says to suspect the thermostatic expansion valve. Technician B says this system contains an orifice tube. Who is correct? - ANSWER-TECH B is correct. A clogged orifice tube will result in high high side pressure. It can become clogged with contaminants, debris from a damaged compressor, or a broken desiccant bag releasing desiccant into the refrigerant. 
 
A vehicle's air conditioning performance is reduced at low speeds and stop lights, but cool...
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NATE CORE STUDY GUIDE(correct answers)to pass
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NATE CORE STUDY GUIDE(correct answers)to passWhich of the following is not the product of incomplete combustion: 
Oxides of nitrogen 
 
 
 
An oil trap is required at the base of the discharge line of the vertical riser is _____ or above 
8 feet 
 
 
 
A diode allows current to flow in one direction: 
True 
 
 
 
1 Watt = _____ Btu 
3.41 
 
 
 
Current in a closed circuit is limited by which of the following: 
resistance 
 
 
 
An oil separator is located in the _____: 
Discharge line 
 
 
 
___...
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FSC 325 Exam #3 (With 100% accurate answers)
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T or F: Falling film evaporators are the only type of evaporator that are used in the food industry due to their sanitary design correct answers False 
 
T or F: Specific heat refers to the amount of energy needed to raise the temperature of 1 kg food by 1 oF. correct answers False 
 
T or F: High intensity pulsed electric field (HIPEF) acts to inactivate microorganisms by creating pores in the cell membrane correct answers True 
 
T or F: The cold spot of a container filled with peas in brine w...
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Z-51 Written Test (Tauris questions)
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Z-51 Written Test (Tauris questions) 
The total amount of heat to be removed from the refrigerant equals the heat picked up 
in the: 
A) Evaporator less the heat given up in the muffler. 
B) Evaporator plus the head of included non-condensables. 
C) Evaporator plus the heat of compression. 
D) Evaporator. - CORRECT ANSWER C) Evaporator plus the heat of compression. 
Select the INCORRECT statement regarding requirements of commercial cooking 
exhaust systems 
A) Company servicing the system mys...
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Z-51 Written Test (Tauris questions)
- Exam (elaborations) • 25 pages • 2024
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Z-51 Written Test (Tauris questions) 
The total amount of heat to be removed from the refrigerant equals the heat picked up 
in the: 
A) Evaporator less the heat given up in the muffler. 
B) Evaporator plus the head of included non-condensables. 
C) Evaporator plus the heat of compression. 
D) Evaporator. - CORRECT ANSWER C) Evaporator plus the heat of compression. 
Select the INCORRECT statement regarding requirements of commercial cooking 
exhaust systems 
A) Company servicing the system mys...
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Q-01 FDNY Exam Questions With Correct Answers Latest Updated 2023/2024 (Verified )
- Exam (elaborations) • 24 pages • 2023
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Q-01 FDNY Exam Questions With Correct Answers Latest Updated 2023/2024 (Verified ). Butterfly valve: where can it be used? - Correct Answer-Can be used on the inlet and 
outlet of a water pump 
What electrical motor protection device automatically resets itself? - Correct AnswerThe thermal protector 
746 watts equals how many kilowatt hours? - Correct Answer-.746 kilowatt hours 
What position is the liquid line service valve normally in? - Correct Answer-Back-seated 
In an operating evaporator, ...
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EPA Type 2 Questions and Answers Already Graded A
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EPA Type 2 Questions and Answers Already Graded A 
Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: pressurized nitrogen 
When a new system has been assembled, the first thing to do is: pressurize the system with inert gas and leak check 
EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. 35% 
Prior to replacing the condenser coil in a high pres...
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HVAC (EPA Certification Exam Section 608) 160 Questions and Answers
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HVAC (EPA Certification Exam Section 608) 160 Questions and Answers 
How many types of HVAC certifications are there? - Correct Answer There are 4 types. 
 
What does a metering device do? - Correct Answer The metering device causes a reduction in pressure, and therefore a reduction in saturation temperature. 
 
What is absorbed in the evaporator? - Correct Answer Heat is absorbed in the evaporator. 
 
What happens in the evaporator? - Correct Answer Heat is absorbed in the evaporator and cause...
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NATE A/C Exam #1 2024 with 100% correct answers
- Exam (elaborations) • 20 pages • 2024
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Low airflow over a residential split system air conditioning evaporator can cause 
 
 A: Liquid flood-back to the compressor 
 
 B: A decrease in compression ratio 
 
 C: An increase in suction line superheat 
 
 D: Oil logging in the evaporator - correct answer A: Liquid flood-back to the compressor 
 
Which of the following is the correct sequence of work? 
 
 A: Attach gauge manifold, recover refrigerant, replace filter core, evacuate the system, recharge the system. 
 
 B: Recover refrig...
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Q-01 FDNY Exam With 100% Correct Answers 2023/2024 Latest Graded A+.
- Exam (elaborations) • 24 pages • 2023
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Q-01 FDNY Exam With 100% Correct Answers 2023/2024 Latest Graded A+. 
Rupture members, when used in parallel with a relief valve, are not to exceed _____% 
above designed working pressure - Correct Answer-20% 
Butterfly valve: where can it be used? - Correct Answer-Can be used on the inlet and 
outlet of a water pump 
What electrical motor protection device automatically resets itself? - Correct AnswerThe thermal protector 
746 watts equals how many kilowatt hours? - Correct Answer-.746 kilowatt...
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