Title: Unit 13 Quiz
Course: HET 111 HVACR Electricity I - Spring 2015 > Section: HET 111 HVACR Electricity I - Spring 2015

Q: Refer to figure 60-Ton-Sch.  When night setback thermostat ( NSB ) makes during a non occupied mode, the fan relay R16 will:
- energize
- de-energize
- not be effected
- short out
A: energize

Q: Refer to figure 60-Ton-Sch.  When duct high-limit ( DHL ) makes which relay will energize?
- R1
- R16
- R41
- R42
A: R41

Q: Refer to figure 60-Ton-Sch.  When liquid line solenoid valve ( SV1 ) is de-energized:
- OPI will open
- OPI will close
- LP1 will open
- LP1 will close
A: LP1 will open

Q: Refer to figure 60-Ton-Sch.  When the pressure of the first compressor ( M1 ) exceeds a predetermined limit which device will close?
- NSB
- LP1
- HP1
- DHL
A: HP1