This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the primary difference between air cooled condensers on standard efficiency systems and air ... (Read 27 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 26, 2018
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
Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

C


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 26, 2018
:D TYSM

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

The internal organization of cells, tissues, organs, and organ systems in a mammal. The internal organization of cells, tissues, organs, and organ systems in a mammal.
Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse Illustration showing how the primary breast tumor metastasized through the lymphatic and blood vesse
River Systems River Systems
Primary Active Transport Primary Active Transport
Somatic Nervous Systems Somatic Nervous Systems
Functional divisions of vertebrate nervous systems Functional divisions of vertebrate nervous systems
Video: Conjunctivitis

For a complete list of videos, visit our video library