List the types of bearings found in an automobile.
What will be an ideal response?
The types of bearings found in an automobile include:
? bushings
? radial or journal bearings
? thrust bearings
? ball bearings
? roller bearings
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Wind ____ use wind’s energy to generate electricity.
a. fans b. turbines c. tunnels d. socks
What are two of the most common methods of reducing the amount of starting current?
What will be an ideal response?
Feeder conductor size is adjusted when _____.
a. the ambient temperature that the conductors will pass through is more than 30?C (86°F) b. there is a 2% voltage drop c. there are more than three current-carrying conductors in the raceway d. the load to be supplied is a noncontinuous duty load
In steel studs up to 20-gauge thick, hole punches are used to make small holes up to approximately _____.
a. 1/2" b. 1-1/2" c. 2" d. 2-1/2"