How is the tubing used in ground-source systems joined?
A) Flare fittings B) CPVC cement C) Threaded fittings D) Thermal fusion
D
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What possible problem(s) could emerge if IEEE 802.11 (unsecured WiFi) is adopted as the FMCSA telematics protocol standard?
A. High value load security B. Dangerous goods security C. Driver and fleet information security D. All of the above
If a condenser fan motor grounds out, it will usually ____.
A. trip a circuit breaker to shut off the unit B. keep running as the current is only going to ground C. run a little faster because the amperage draw will increase D. cause the evaporator to ice up
The simplest way to describe the operation of a transistor is to say it operates like a(n) ____.
a. diode b. electric valve c. triac d. ammeter
All of the following precautions are suggestions for drivers when they come to a highway-rail intersection EXCEPT:
A. If there is a line of traffic at a traffic light and you may have to stop on a railroad track, a good rule of thumb is to never stop on a railroad track, even if you do not see a train coming. B. To better hear the train, roll down the window and turn off the stereo, CB, and fans. C. If a train is stopped nearby, do not cross the tracks for any reason. D. Stop no closer than 50 feet (15.2 m) from the nearest rail.