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

Author Question: The main difference between an ERV and an HRV is the _____. a. way the heat exchanger core works ... (Read 76 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jul 24, 2018
The main difference between an ERV and an HRV is the _____.
 
  a. way the heat exchanger core works
  b. size of the exhaust fans
  c. type of economizer used
  d. number of heat exchangers

Question 2

Which refrigerant is due to be phased out (no new refrigerant manufactured) by 2030?
 
  a. HFC-410A
  b. HFC-407A
  c. HCFC-22
  d. HFC-417A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

britb2u

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 24, 2018
Answer to Question 1

a

Answer to Question 2

c


acc299

  • Member
  • Posts: 569
Reply 2 on: Jul 24, 2018
Thanks for the timely response, appreciate it

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf The patient is undergoing an allergy skin test by receiving subdermal inoculations of allergens. Inf
Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925. Masseuse Performs Massage of the Shoulder Under Heat Lamp, c. 1925.
Difference spectra of mitochondria Difference spectra of mitochondria
Difference of Squares Difference of Squares
An electron is accelerated from rest through a potential difference of 3750 V. It enters a ... An electron is accelerated from rest through a potential difference of 3750 V. It enters a ...
How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C How much heat energy in Joules is required to heat 16.0 g of copper from 23.0 °C
Video: Flexor reflex & Crossed extensor reflex

For a complete list of videos, visit our video library