Circuit protection testing is being discussed. Technician A says fuses can be tested while they are still in the fuse box by touching a test light connected to ground to the back of the fuse. Technician B says that fusible elements can be tested by removing the fuse and checking for continuity or resistance across the terminals. Who is correct?
A. A only
B. B only
C. both A and B
D. neither A nor B
Answer: C
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What is the load center length for a tapped feeder with loads of 120A at 50', 110A at 60', 75A at 90', and 70A at 150'?
a. 72.75' b. 75.15' c. 79.60' d. 81.24'
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The camshaft makes ________ for every revolution of the crankshaft
A) One half revolution B) Two revolutions C) One revolution D) One quarter revolution
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When installing a spherical roller bearing, the locknut is tightened using a(n) _____
a. spanner wrench b. open end wrench c. hydraulic pump d. locknut
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The term ____ is used to describe how closely a sensor measures the actual value of a controlled variable.
A. accuracy B. precision
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