Using the reciprocal key on a calculator, the reciprocal of 4 is:
A. 4.0
B. 4.4
C. 0.4
D. 0.25
Answer: D
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Each complete waveform of 360 degrees is called a ____.
a. wave number b. wavelength c. cycle d. frequency
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The blower on a cooling tower will operate whenever the centrifugal pump is on.
Answer the following statement true (T) or false (F)
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A faulty nozzle should be _____
a. repaired and reused b. recycled c. replaced d. reversed
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A vehicle tends to lock up the rear wheels during hard braking. Technician A says that the metering valve may be defective. Technician B says the proportioning valve may be defective. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
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