Save
Busy. Please wait.
Log in using Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

raj s

Air & Refrigeration flashcards

QuestionAnswer
What is resistance measured in? ohms
Force times distance equals what? f x d = work
What does rpm mean? rpm= revolutions per minute
1 horsepower is equal to how many watts? 1 hp = 746 watts
What is latent heat of condensation? latent heat of condensation isamount of heat energy, in btu/lb required to change vapor into a liquid
What is latent heat of vaporation? latent heat of vaporation is the amount of heat energy, in btu/lb required to change a substance into a vapor
What is latent heat? latent or hidden heat is heat added but no temperature rises
What is sensible heat? sensible heat is when temperature changes and can be registered
What is natural convection? natural convection is heated air that rises naturally
What is Convection in dealing with heat? convection is heat when it is moved from one place to another
What is conduction when dealing with heat? conduction is heat when it is moved from one molecule to another
What is One Ton Of Refrigeration? in a 24hr period, 144BTU x 2000lbs = 288,000 BTU
What is a Evaporator? a evaporator absorbs heat into the system 3 functions 1. absorb heat 2. allow heat to boil off 3. allow heat to superheat refrigerant vapors
What is a compressor? also known as a vapor pump, it reduces the pressure on low side and increases the heat on the high side
What is a reciprocating compressor? a compressor that uses a piston in a cylinder to compress the refrigerant
Created by: Raj S
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards