The majority carriers in the p region of a diode
A) are electrons
B) a much less in number than the majority carriers in the n region
C) are holes
D) a much fewer in number than the majority carriers in the n region
B
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In a heavy duty diesel engine, which of the following is more likely to be described as tuned?
A. intake manifold B. air to air cooler C. exhaust manifold D. main exhaust pipe
If the length of a section of insulation is 48" (122 cm), then on a drawing scaled to 1:12, its length would be _____.
a. 4" (10 cm) b. 6" (15 cm) c. 60" (152 cm) d. 576" (1,463 cm)
Technician A says that the bulb trade number is the same for all bulbs of the same size. Technician B says that a dual-filament bulb has different candlepower ratings for each filament. Who is right?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
A blowdown system for a cooling tower ____.
A. relieves the concentration of sediment in the sump B. provides extra draft for higher evaporation rate C. promotes vortexing D. provides a means for balancing the water flow