Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Videos
Textbook Question
Chapter 9, Problem 27RQ
The standard that a refrigerant must meet after it has been reclaimed and before it can be sold to another owner is
A. ANSI 7000.
B. ANSI 700.
C. EPA 7000.
D. AHRI 700.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Well Completion :
Tubing leaks is one of well completion
problems. the causes and method(s) to
remediate the problem.
QUESTIONS ABOUT REFRIGERANTS
Q8/ Choose True or False to answer the following:
1)
The natural ice and a mixture of ice and salt were the first
refrigerants.
A. True
B. False
2) R-134a gas is similar to R-152a in belonging to the hydrocarbon
refrigerant groups
A. True
B. False
3) The inorganic refrigerant R-729 were exclusively used before the
introduction of halo-carbon refrigerants
A. True
B. False
4) R410A, also known as propane
A. True
B. False
5) The brines commonly used are calcium chloride (CaC12)
A. True
B. False
Give me correct options with explanation please solve all questions thanks
Chapter 9 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 9 - What is the difference between the oxygen we...Ch. 9 - Describe the difference between good and bad...Ch. 9 - Explain the process of ozone depletion resulting...Ch. 9 - Which refrigerants have a 0 ODP? A. HFCs B. HCFCs...Ch. 9 - An increase in the natural greenhouse effect that...Ch. 9 - True or False: Only CFCs and HCFCs contribute...Ch. 9 - Explain what a global warming potential (GWP) is.Ch. 9 - Prob. 8RQCh. 9 - Describe the difference a direct and an indirect...Ch. 9 - What measurement or index takes into...
Ch. 9 - Describe the differences between CFCs, HCFCs,...Ch. 9 - CFCs are more harmful to the stratospheric ozone...Ch. 9 - Prob. 13RQCh. 9 - Describe the difference between an azeotropic...Ch. 9 - Why are there more safety precautions for R-410A...Ch. 9 - The three most popular synthetic oils in the...Ch. 9 - What is the name of the conference that was held...Ch. 9 - What agency ofthe federal government is charged...Ch. 9 - Explain the differences between active and passive...Ch. 9 - Are federal excise taxes on reclaimed refrigerants...Ch. 9 - Prob. 21RQCh. 9 - Prob. 22RQCh. 9 - To reclaim refrigerant meas to__________.Ch. 9 - Explain what is meant by a nonpressurized recovery...Ch. 9 - Prob. 25RQCh. 9 - Prob. 26RQCh. 9 - The standard that a refrigerant must meet after it...Ch. 9 - Briefly describe the types of piercing valves used...Ch. 9 - Briefly describe an oil-less refrigerant recovery...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Possible problems an air conditioner can have and solutions to the problemsarrow_forwardWhat is the static air powering watts of a fan designed to deliver 800m3/hr of air with static pressure of 5cm of water column on full delivery.a. 155.3 b. 95.7 c. 105.8 d. 122.6arrow_forwardGive the following and explain from the water treatment system a. Control variables b. Control Variables c. System inputs d. Manipulated variables e. Measured system inputs f. Unmeasured system outputs g. Expected disturbances h. Constraints that the system could be operating withinarrow_forward
- The following air streams mix in a building’s HVAC system upstream of the HVAC heating unit: 1,600 CFM outdoor air at 35°F and 70% RH mixes with 3,500 CFM of return air at 70°F and 40% RH. Assume the HVAC runs for 1 minute, so CFM is the same as cubic feet. a) What are the temperature and RH of the combined air stream? b) How much energy (units of BTU) does the HVAC heating unit need to add to the combined air stream to condition it to 80°F and 60% RH? c) If the conditioned air stream from the heating unit then mixes with 28,000 CFM of air at 70°F and 40% RH provided to the building from another source, what are the combined temperature and RH of the air in the building?arrow_forwardmass flow rate of the air (Ibm/s).arrow_forward3) What are some criteria that need to be considered in the selection of a refrigerant? Please choose one type of refrigerant in air conditioning system market and elaboratearrow_forward
- 1. An air-source heat pump is a heat-pump system that uses air: a. as the system refrigerant. b. as the heat source when operating in the cooling mode. c. as the heat sink when operating in the heating mode. d. as the heat source when operating in the heating mode. 2. According to the Department of Energy, duct leakage can result in a energy loss? a. 10% b. 20% c. 30% d. 40% 3. As the outside ambient temperature drops, the efficiency of a heat-pump system operating in the mode will: a. heating, drop b. heating, rise c. cooling, rise d. Both a and c are correct.arrow_forwardAir-condition system being in every organization. How the Maintenance of Air Conditioning System take place. What are preventative measures required?arrow_forwardchoose the correct answer E. None of the above C. 321 N. 2500 N D. 2465 N. 320 N A. 2465 N. 321 N F. 312KN. 2460 KN B. 321 N. 2465 Narrow_forward
- 2. Two sections must be discussed: 2.1. Talking about the material from which the air conditioner compressor is made with a presentation of the properties of the material 2.2. Preparing the executive drawing of the air conditioner compressor (job shop drawing) and it should include (dimensional and geometrical tolerances)arrow_forwardDescribe the difference between an azeotropic refrigerant blend and a near-azeotropic or zeotropic refrigerant blend.arrow_forward1.During a refrigerant system performance test the following results are recorded: outside ambient temperature of 908F, high-side gauge reading of 145 psi, and low pressure gauge reading of 14 psi. What is indicated by these results? A. Faulty refrigerant compressor B. Normal refrigerant system operation C. Low refrigerant levels D. A restriction on the high side of the refrigerant system 2. A customer complains of poor air-conditioning cooling performance. During a system performance test, the low-side gauge reading is 50 psig; the high-side gauge reading is 310 psig; and the ambient air temperature is 818F (27.228C). What is the least likely cause of the above results? A. Restricted airflow through condenser B. Refrigerant overcharge C. Refrigerant undercharge D. Overcharge of refrigerant oil I NEED BOTH QUESTION TYPED ANSWER PLEASE DETAIL ANSWERarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Refrigeration and Air Conditioning Technology (Mi...Mechanical EngineeringISBN:9781305578296Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill JohnsonPublisher:Cengage Learning
Refrigeration and Air Conditioning Technology (Mi...
Mechanical Engineering
ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:Cengage Learning
The Refrigeration Cycle Explained - The Four Major Components; Author: HVAC Know It All;https://www.youtube.com/watch?v=zfciSvOZDUY;License: Standard YouTube License, CC-BY