How are motorized dampers controlled when they are used as bypass dampers?
A) They are wired in series with the zone dampers.
B) They are wired using the G terminal on the master thermostat.
C) They are wired in parallel with the zone dampers.
D) A pressurestat measures the static pressure across the blower.
D
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IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
An existing Class II two-lane highway is to be analyzed to determine the level of service in each direction given the following information:
Peak hourly volume in the analysis direction: 900 veh/h Peak hourly volume in the opposing direction: 400 veh/h Trucks: 12% of total volume Recreational vehicles: 2% of total volume PHF: 0.95 Lane width: 12 ft Shoulder width: 10 ft Access points per mile: 20 Terrain: rolling Base free flow speed: 60 mi/h No passing zones: 40% of analysis segment length What will be an ideal response?
A vehicle equipped with a V-8 engine does not crank fast enough to start. Technician A says that the battery could be discharged or defective. Technician B says that the negative cable could be loose at the battery. Who is right?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The safety cap should always be in place when moving oxygen cylinders because:
A) The safety cap prevents cylinder overpressurization. B) If the valve were to break off, the cylinder would fly through the air. C) The safety cap prevents oxygen from leaking out. D) The safety cap provides a good place to connect a hook for lifting the cylinder.