Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


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
edit
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

HVAC 1000-01 Quiz 3

QuestionAnswer
Purge to remove or release fluid from a system
Semi-hermetic Compressor A motor compressor that can be opened or disassembled by removing bolts and flanges. Also known as a serviceable hermetic
Forced convection The movement of fluid by mechanical means
Reed Valve A thin steel plate used as a valve in a compressor
Reverse Cycle The ability to direct the hot gas flow into the indoor or the outdoor coil in a heat pump to control the system for heating or cooling purposes
Schraeder valve A valve similar to the valve on an auto tire that allows refrigerant to be charged or discharged from the system
Shell and Coil A vessel with a coil of tubing inside that is used as a heat exchanger
Flash Gas The term used to described the pressure drop in an expansion device when some of the liquid passing through the valve is changed quickly to a gas and cools the remaining liquid to the corresponding temperature
Moisture Indicator A device for determining moisture
Horsepower(hp) A unit equal to 33000 ft-lb of work per minute
Non-condensable Gas A gas that does not change into a liquid under normal operating conditions
Receiver-drier A component in a refrigeration system for storing and drying refrigerant
Remote System Often called a split system where the condenser is located away from the evaporator and/or other parts of the system
King Valve A service valve at the liquid receiver's outlet in a refrigeration system
Bellows An accordion-live device that expands and contracts when internal pressure changes
Heat of Fusion The heat released when a substance is changing from a liquid to a solid
Scroll Compressor A compressor that uses two scroll-type components, one stationary and one orbiting, to compress vapor
Rotary Compressor A compressor that uses rotary motion to pump fluids. It is a positive displacement pump
Compressor Muffler Device installed in hot gas line to silence discharge surges
Liquid Receiver A container in the refrigeration system where liquid refrigerant is stored
Frost Back A condition of frost on the suction line and even the compressor body
Natural Convection The natural movement of a gas or fluid caused by differences in temperature
Pressure Switch A switch operated by a change in pressure
Diaphragm A thin flexible material (metal, rubber, or plastic) that separates two pressure differences
Created by: toolegit
Popular Miscellaneous sets

 

 



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