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 56 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
Thanks for the timely response, appreciate it


Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

For a complete list of videos, visit our video library