Give two reasons why grading is done
What will be an ideal response?
To create level spaces and special effects
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The purpose of the start-capacitor in the capacitor-start motor is ____.
A. to allow the motor to operate as well on DC as it does on AC B. to save wear and tear on the brushes and commutator C. to smooth out the 120 Hz vibrations D. to produce a higher starting torque than that found in the split-phase motor
ISO standards are based on the ____________________ system.
Fill in the blank(s) with the appropriate word(s).
If pump 1 is to operate alternately with pump 2, some method must be devised to remember which pump operated last. This function is performed by a(n) ____.
A. short circuit protector B. control relay C. resistor D. overload protector
The city of newville has 38,000 residents, with an average of 2.3 persons per domicile. If there are 35 plumbers in Newville, how many houses are available, on average, per plumber?
A. 1085 B. 1000 C. 472 D. 138