____________________ involves using a DC motor as a generator, taking it off the supply line and applying an energy dissipating resistor to the armature.
Fill in the blank(s) with the appropriate word(s).
Dynamic braking
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A(n) ____________________ tester tests the battery under a heavy electrical load condition (such as an electric starter) while it’s out of the power equipment engine.
Fill in the blank(s) with the appropriate word(s).
For a constant-torque load, the horsepower increases and decreases _____.
a. in direct proportion to the speed b. as the cube of the speed c. in inverse proportion to the speed d. as the square of the speed
Why would a preheat coil be used on the energy-recovery wheel?
A) to prevent moisture transfer to the supply air B) to prevent frost from forming on the wheel C) to warm the exhaust air D) to dry the intake air
The concept of layered components that make up an operating system also originated with UNIX. Briefly describe this concept as it applies to UNIX/Linux systems.
What will be an ideal response?