The resistance of a carbon-composition resistor is determined by
A) its diameter B) the purity of the carbon
C) carbon purity and lead spacing D) its length
C
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Answer the following statement(s) true (T) or false (F)
1. Electronic brakes require extensive maintenance, adjustment, and periodic replacement of worn parts. 2. Three-phase electric braking reduces the heat buildup in the motor as compared to single-phase braking. 3. A self-contained transformer and rectifier provide the direct current required for braking. 4. DC and AC supplies must be connected to a motor at the same time. 5. The sudden stopping of a motor by mechanical brakes can often harm the motor or load.
When working on electronic systems, the system may be represented by a simple ____________________.
Fill in the blank(s) with the appropriate word(s).
When are two-place decimal dimensions used?
What will be an ideal response?
________ are shaped like an upside-down T and provide the primary panel support
A) Wall molding B) Main beams C) Hanger wires D) Cross tees