Two-speed wiper motors generally use ________ to achieve the two speeds
A) Gear reduction B) Cams
C) Reduction gear transmission D) Speed control brushes
D
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The PV array output for a house resulted in 15.4 kWh, 17.0 kWh, ?16.2 kWh, 16.4 kWh, 15.9 kWh, 17.2 kWh, and 16.7 kWh being generated for one week. What is the average daily output?
Fill in the blank(s) with the appropriate word(s).
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Which of the following can be used to classify animals?
a. Physical characteristics b. Uses c. Other categories d. All answers
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DC motors, like ____, are classified by the way their field coils are connected; thus, we differentiate between shunt motors, series motors, and compound motors.
a. AC motors b. AC generators c. DC generators d. torque motors
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The 50 percent point of a 4—20 mA output is _____
A) 8 mA B) 10 mA C) 12 mA D) 9 mA
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