Technician A says that backup sensors use LEDs to detect objects. Technician B says that a backup sensor will not work correctly if the paint is thicker than 0.006 inch. Who is right?
A) Technician A only B) Technician B only C) Both A and B D) Neither A nor B
B
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The exhaust blower unit consists of a three-horsepower, three-phase, 208-volt motor driving a propeller-type fan through a(n) ____ drive.
A. V-belt B. direct C. O-ring D. conveyer
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Most control transformers are _____.
a. askarel-insulated step-up b. dry-type step-down c. liquid-insulated step-up d. oil-insulated step-down
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Herbicides work by upsetting the plant's _____
A) mineral supply B) final size C) weed potential D) metabolism
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When the motor reaches the ____________________ stage, it is connected directly to the power line and the autotransformer is completely disconnected from the circuit.
Fill in the blank(s) with the appropriate word(s).
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