Technician A says that the primary purpose of a circuit protection device is to protect the electrical load, such as a headlamp. Technician B says that it is ok to use a larger fuse if the existing fuse keeps blowing. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
Answer: D
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Air at 200 kPa and 30ºC is contained in a 4-m3 rigid volume; it is heated with a 100-? resistance heater that operates across an electric potential of 100 V for 20 minutes. The temperature rise of the air is nearest:
A) 36ºC B) 30ºC C) 24ºC D) 18ºC
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The distance between the exposed edges of overlapping shingles is called the _____.
a. width b. exposure c. top lap d. head lap
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a. a right-hand thread b. a left-hand thread c. painted red d. painted blue
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