Author Question: A system that maintains temperatures of -250F and below is: A) A low temperature system. B) An ... (Read 125 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
A system that maintains temperatures of -250F and below is:
 
  A) A low temperature system. B) An ultra low temperature system.
  C) An absorption system. D) A cryogenic system.

Question 2

Three types of fan blades used with centrifugal fans include
 
  A) Concentric, isentropic, and exothermal
  B) Straight, right angle, and airfoil
  C) Forward curved, backward curved, and backward curved airfoil
  D) Straight, forward curved , and right angle



aprice35067

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

For a complete list of videos, visit our video library