Author Question: A system that maintains temperatures of -250F and below is: A) A low temperature system. B) An ... (Read 146 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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

For a complete list of videos, visit our video library