Which statement regarding portable scene lighting is true?
A. they generally range from 300-1500 watts
B. they generally range from 100-250 watts
C. they are located on mechanically operated light towers
D. they have their own power generator built in
Answer: A. they generally range from 300-1500 watts
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An advantage of the synchronous motor equipped with a brushless exciter is that ____.
a. field control and excitation are provided by a static system b. brush sparking is produced c. field excitation is manually removed whenever the motor is out of step d. manual resynchronization can be achieved whenever it is practical
Which of the following additional capabilities does the all-wheel drive mode of a forklift provide?
a. It simply provides greater traction for forward and reverse movement. b. The machine can pivot on the front wheels. c. The machine can pivot on the rear wheels. d. The machine can be moved sideways.
A ____ is a collection of wild animals, and zookeepers handle the feeding and diet of these animals
A) business B) refuge C) wilderness area D) zoo
Were it not for trees that cover hills, lakes and streams would be:
a. Dry c. Much larger b. Muddy d. Much colder