____________________ is defined as the ratio between the true power in watts and the apparent power in volt-amperes.
Fill in the blank(s) with the appropriate word(s).
Power factor (PF)
Power factor
PF
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ASTM C150 covers _____ types of portland cement, but only _____ are recommended for use in masonry mortars.
A. four; two B. five; four C. seven; five D. eight; three
To help prevent damaging the first winding, some circuits contain a timer that disconnects power to the motor if the second winding is not energized within a predetermined time. This timer is often called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Always disconnect the battery negative cable first during removal, and reconnect the negative first during installation.
Answer the following statement true (T) or false (F)
____________________ and ____________________ are soft filling materials that contain oils to
keep them pliable.
Fill in the blank(s) with the appropriate word(s).