This topic contains a solution. Click here to go to the answer

Author Question: What is the primary difference between air cooled condensers on standard efficiency systems and air ... (Read 54 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
What is the primary difference between air cooled condensers on standard efficiency systems and air cooled condensers on high efficiency systems?
 
  A) The coil size is decreased to raise the head pressure and increase the temperature difference.
  B) The number of fins per inch are reduced to reduce the restriction to airflow.
  C) The condenser coils are made from steel instead of copper or aluminum.
  D) The coil size is increased to increase the heat transfer area.

Question 2

If someone works with electricity, which of the following measurements may be used?
 
  A) Foot-pounds and newton meters B) Kilocalories and therms
  C) Amperes and watts D) BTUs and calories



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

atrochim

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

C




olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 26, 2018
:D TYSM


dyrone

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Excellent

 

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

For a complete list of videos, visit our video library