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

Author Question: Which of these devices is used for energy conservation? a. Humidifier b. Electronic air cleaner ... (Read 21 times)

Frost2351

  • Hero Member
  • *****
  • Posts: 557
on: Jul 24, 2018
Which of these devices is used for energy conservation?
 
  a. Humidifier
  b. Electronic air cleaner
  c. Heat recovery ventilator
  d. Chiller

Question 2

Oxygen is never used to purge an HVAC system because _____.
 
  a. oxygen will contaminate the system
  b. an explosion could occur under certain conditions
  c. oxygen contains too much moisture
  d. oxygen is too expensive to use for that purpose


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raili21

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 24, 2018
Answer to Question 1

c

Answer to Question 2

b


Frost2351

  • Member
  • Posts: 557
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

mjenn52

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Historical U.S. Energy Use Historical U.S. Energy Use
Hand exercise devices build strength for injury prevention. Hand exercise devices build strength for injury prevention.
Resonance transfer of energy in a light-harvesting complex Resonance transfer of energy in a light-harvesting complex
Reaction 6: Generation of the First Energy-Rich Compound Reaction 6: Generation of the First Energy-Rich Compound
Canada Total Energy Consumption by Fuel Type Canada Total Energy Consumption by Fuel Type
Energy pyramid Energy pyramid
Video: Structures that affect circulation - heart and systolic/diastolic BP

For a complete list of videos, visit our video library