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

Author Question: Which of the following statements about ammonia as a refrigerant is true? a. Ammonia is slightly ... (Read 170 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 24, 2018
Which of the following statements about ammonia as a refrigerant is true?
 
  a. Ammonia is slightly less efficient in heat transfer than halocarbon refrigerants.
  b. Ammonia costs more than other common refrigerants.
  c. Ammonia is poisonous and must be handled with extreme care.
  d. Ammonia piping cannot be constructed from copper.

Question 2

Which of the following refrigerants poses the greatest threat to the ozone layer?
 
  a. CFC
  b. HCFC
  c. HFC
  d. Ammonia


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jsm54321

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 24, 2018
Answer to Question 1

d

Answer to Question 2

a


Shelles

  • Member
  • Posts: 582
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

laurnthompson

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

A needle that drops to near zero when the engine is accelerated rapidly and then rises slightly to ... A needle that drops to near zero when the engine is accelerated rapidly and then rises slightly to ...
The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ... The target lambda on this vehicle is slightly lower than 1.0 indicating that the PCM is attempting ...
Reactions in assimilation of ammonia and major fates of the fixed nitrogen Reactions in assimilation of ammonia and major fates of the fixed nitrogen
Transport of ammonia to the liver for urea synthesis Transport of ammonia to the liver for urea synthesis
Midsagittal section indicating locations of true and false pelves Midsagittal section indicating locations of true and false pelves
E9-23 Prepare income statements Explain the difference in operating income E9-23 Prepare income statements Explain the difference in operating income
Video: Factors that increase metabolic rate and heat production

For a complete list of videos, visit our video library