VRF quiz
Authored by Robert Hemmila
Physics
University
NGSS covered
Used 2+ times
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11 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are the 4 main parts of a refrigeration system
Compressor
Capacitor
Condenser
Expansion valve
Evaporator
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The condenser and evaporator act as what?
Heat anticipators
Heat recovery
Heat exchangers
Heat reflectors
Tags
NGSS.HS-PS3-4
3.
DRAG AND DROP QUESTION
1 min • 1 pt
The refrigerant flows from the compressor to the (a) entering as a superheated high pressure vapor and leaves as (b) from there it travels to the (c) and enters the (d) In the evaporator it (e) and absorbs heat before returning to the compressor.
Tags
NGSS.HS-PS3-4
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What type of metering devices are used on VRF systems.
Thermostatic expansion valves
Hydraulic expansion valves
Electronic expansion valves
Low side floats
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electronic expansion valves use ------ to control superheat.
Thermal bulb and a valve
Sensors and a controller
power supply and a motor
Power head and valve body
Tags
NGSS.HS-PS3-4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The connection between the evaporator and the compressor is known as?
The liquid line
The hot gas line
The suction line
The mixed line
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A VRF system uses this to change the speed of the compressor and control refrigerant flow.
Clutch
Inverter
Potentiometer
Reduction drive
Tags
NGSS.HS-PS3-3
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