Author Question: Explain the difference between direct current and alternating current. What will be an ideal ... (Read 51 times)

drink

  • Hero Member
  • *****
  • Posts: 554
Explain the difference between direct current and alternating current.
 
  What will be an ideal response?

Question 2

What is the working principle for an atmospheric draft cooling tower?
 
  What will be an ideal response?



gasdhashg

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Direct current flows in one direction, alternating current regularly reverses flow.

Answer to Question 2

Air flow through this tower is produced by natural circulation due to the density difference between the heated air in the tower and the cooler outside air.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

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?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

For a complete list of videos, visit our video library