Explain the difference between commutator segments and slip rings
What will be an ideal response?
In its simplest form, commutator segments are split rings that rotate with the rotor of a dc generator and form a mechanical rectifier for the output. Practical commutators have multiple segments and each pair of segments is connected to a separate rotor winding. Slip rings are used on ac generators and made of two solid rings that are connected to the ends of the single armature winding.
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An IAC valve stuck in the closed position may cause all of the following except:
A. Stalling. B. Rough idle. C. High idle speed. D. Low idle speed.
Statistics have shown that employees who are _____ account for 25% of all construction injuries.
a. over the age of 50 b. under the age of 25 c. on the job 30 days or less d. careless about safety
The size and spacing of material to be used for floor framing ____.
A. are not important B. can be calculated from first principles C. are communicated separately D. are given on the framing plan by a note
If the voltage increases in a circuit, what happens to the current (amperes) if the resistance stays the same?
A) Decreases B) Increases C) Remains the same D) Cannot be determined