In a refrigeration system Study guides, Class notes & Summaries
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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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EPA 608 Practice exam type 1 solved correctly
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EPA 608 Practice exam type 1 solved correctly The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery 
A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less 
A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. System dependent 
Y...
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NATS 1560 (test 1) Questions and Answers 100% Verified
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NATS 1560 (test 1) Questions and Answers 100% Verified Food science •scientific and technological research on the properties of food substances, aimed at inventing new food products and new methods of preservation and processing 
Nutrition science the scientific study of the processes through which food provides nourishment to the body 
what are the general characteristics of the modern sciences? materialism, reductionism & experimentalism 
What are macronutrients? carbohydrates, lipids, prote...
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HVAC UNIT 3 REVIEW TEST WITH COMPLETE SOLUTIONS
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HVAC UNIT 3 REVIEW TEST WITH 
 
COMPLETE SOLUTIONS 
 
Ice melts in ice boxes because 
a. heat flows through the insulated walls. 
b. heat flows through the doorway when it is opened. 
c. heat is moved into the box when warm food is placed in it. 
d. All of the above. D 
 
High-temperature refrigeration is that produced by 
a. heat from a furnace. 
b. an air-conditioning system, 
c. the vegetable cooling system of a refrigerator. 
d. the freezer section of a refrigerator. B 
 
A ton of refrigerat...
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ATI PHAMACOLOGY EXAM QUESTIONS & ANSWERS 2023 UPDATE
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ATI PHAMACOLOGY EXAM QUESTIONS & ANSWERS 2023 UPDATE 
 
 
ATI Pharmacology 
 
Question: 2 of 60 
CORRECT 
 
FLAG 
A nurse is caring for a client who has pneumonia. The client tells the nurse she is pregnant and that she has not told her provider yet. The nurse should identify that pregnancy is a contraindication to receiving which of the following medications? 
 
Acetaminophen 
 
Acetaminophen treats mild pain and is a category B medication of the FDA pregnancy risk categories, indicating the...
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BOMA HVAC EXAM QUESTIONS AND ANSWERS
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What happens when room temperature soda is poured into a glass of ice ? - Answer-The ice melts because it is absorbing heat from the soda . 
 
The compressor in a refrigeration system - Answer-pumps the refrigerant throughout the system 
 
To control ice build - up on a heat pump outdoor coil in the heating cycle a ______ is used . - Answer-pressure differential switch 
 
The total pressure of a confined mixture of gases is the sum of the pressures of each of the gases in the mixture . This is k...
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EPA 608 Universal Exam ( ACTUAL EXAM ) Questions With Verified Solutions| ALREADY PASSED
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EPA 608 Universal Exam ( ACTUAL 
EXAM ) Questions With Verified 
Solutions| ALREADY PASSED. 
Refrigeration technicians who violate the Clean Air Act can: - - 
ANSWER Lose their EPA certification, be fined, be required to 
appear in Federal court. 
After 1995, any supplies of CFC refrigerants to service existing 
units in the USA can only come from: - - ANSWER recovery and 
recycling. 
Refrigerant that is recovered can be returned to: - - ANSWER 
the same system or other systems owned by the same...
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RMO QUESTIONS AND ANSWERS (110-222)
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110. Water and moisture is a serious problem in a refrigerant system, how to avoid: 
 
A. Use of fins in refrigerant line 
B. Proper evacuation at the charging of the system 
C. Proper handling of refrigerant and oil to avoid exposure to mixture 
D. Use of high viscosity oil in the connection - Answer-B. Proper evacuation at the charging of the 
system 
 
111. The most important requirements for a good evaporator is that: 
 
A. Air or liquid refrigerant can be used as required by the medium b...
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Power Engineer 3B2 exam practice 2023 with 100% correct answers
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The disadvantages of a gas turbine are: 
1. High cost of manufacture 
2. High levels of noise pollution are produced 
3. Low thermal efficiency 
4. Requires many auxiliaries to be efficient 
 
A. 1, 2, 3 
B. 1, 3, 4 
C. 2, 3, 4 
D. 1, 2, 4 
E. 1, 2, 3, 4 - correct answer E 
 
The most common process method of refrigeration is: 
Select one: 
A. Absorption 
B. Lithium bromide 
C. Water vapor 
D. Vapor compression or mechanical 
E. Ammonia compression system - correct answer D 
 
To facilit...
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NATE Industry Competency Exam: Commercial Refrigeration | 100 Questions with 100% Correct Answers
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With the condensing pressure and compressor speed remaining constant, a decrease in 
suction pressure will cause a(n): 
a. Decrease in compressor capacity and decrease in current. 
b. Increase in compressor capacity and decrease in current. 
c. Increase in compressor capacity and increase in current. 
d. Decrease in compressor capacity and increase in current. - D 
An indication of non-condensable gas in a refrigeration system is significantly: 
a. Lower-than-normal suction pressures. 
b. higher...
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