Two technicians are discussing electronic leveling systems. Technician A says battery power may be applied directly to the compressor. Technician B says most leveling systems use adjustable sensors. Which technician is? correct?
A) Technician A only
B) Technician B only
C) Both technicians A and B
D) Neither technician A nor B
Answer: B) Technician B only
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Answer the following statement(s) true (T) or false (F)
1. A three phase, two-pole motor contains eight actual poles.
2. The magnetic field travels through the same number of poles during each complete cycle.
3. If the winding is such that the series delta gives the low speed and the parallel wye gives the high speed, the torque will be the same for both speeds.
4. The circuit shown in the accompanying figure forces the motor to start in high speed.
5. Three-speed consequent pole motors can be wound to produce constant horsepower, constant torque, or variable torque.
You can use the ____________________ (line print) shell command to print a file from vi.
Fill in the blank(s) with the appropriate word(s).
Technician A says that metal-type window tinting can affect the navigation system. Technician B says that most navigation systems require a monthly payment for use of the GPS satellite. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What would be the best heating pump application for a four-bedroom apartment on the seventh floor?
A) a ductless mini-split system B) a split system C) an air-source packaged unit D) a water-source packaged unit