This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The most common HCFC refrigerant is which of the following? A) R-124 B) R-23 C) R-22 D) ... (Read 23 times)

piesebel

  • Hero Member
  • *****
  • Posts: 565
on: Jul 24, 2018
The most common HCFC refrigerant is which of the following?
 
  A) R-124 B) R-23 C) R-22 D) R-142

Question 2

What material is used for air-conditioning drain lines?
 
  A) PVC B) Galvanized iron pipe
  C) CPVC D) Copper


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

EAN94

  • Sr. Member
  • ****
  • Posts: 307
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

A


piesebel

  • Member
  • Posts: 565
Reply 2 on: Jul 24, 2018
Wow, this really help

Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Common structure of nucleotides Common structure of nucleotides
Location of Common Pulse Sites Location of Common Pulse Sites
The evolution of societies has been so thorough that this scene—once common for all humanity—has ... The evolution of societies has been so thorough that this scene—once common for all humanity—has ...
A culex tarsalis mosquito, a common vector of the spread of West Nile virus. A culex tarsalis mosquito, a common vector of the spread of West Nile virus.
Common Root Words and Combining Forms Cont. Common Root Words and Combining Forms Cont.
Common Abbreviations and Symbols Used by Massage Therapists Cont Common Abbreviations and Symbols Used by Massage Therapists Cont
Video: The 4 steps of translation Animation

For a complete list of videos, visit our video library