Author Question: What is the function of an energy recovery unit? A) To recover energy used to cool electric ... (Read 89 times)

809779

  • Hero Member
  • *****
  • Posts: 579
What is the function of an energy recovery unit?
 
  A) To recover energy used to cool electric motors
  B) To use waste heat for on-site power generation
  C) To recover waste heat from a combustion process
  D) To exchange heat between outdoor air being introduced for ventilation and exhaust air

Question 2

Why should the temperature inside the compressor be kept under 300F?
 
  A) Because the refrigerant starts to fractionate above 300F
  B) Because the metal components inside the compressor will start to melt
  C) Because the refrigerant starts to boil inside the compressor above 300F
  D) Because the compressor oil starts to break down above 300F



SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library