An energy-saving routine used with VAV systems that is active in the unoccupied hours of the early
morning is called _____.
a. morning warm-up
b. night-time free cooling
c. building pressurization
d. demand-control ventilation
b
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How are drawings typically made today?
What will be an ideal response?
Lighting that uses fixtures above the visual task area that also contributes to the lighting in the local area is classified as _____.
a. local lighting b. task lighting c. localized general lighting d. accent lighting
?While discussing some control modules: Technician A says some transmissions have a single assembly that contains all of the solenoids, the TCM, and a lead frame assembly. Technician B says the lead frame connects to the individual components, therefore fewer electrical connections are needed for these transmissions, eliminating many potential problems. Who is correct?
A. ?A only B. ?B only C. ?Both A and B D. ?Neither A nor B
Nothing is seen in the sight glass (R-12 system). Technician A says that the system may be completely empty of refrigerant. Technician B says that the system may be completely charged. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B