To lower the boring bar and make a hot tap, turn the ratchet _____.
a. up
b. counterclockwise
c. clockwise
d. down
c. clockwise
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The service factor of a general-purpose motor is a(n) ____.
a. allowable overload b. indication of materials used c. indication of efficiency d. way to identify a motor
Application of a mastic with fabric reinforcement typically involves which of the following?
a. Embedding the fabric in the mastic, then coating the fabric with mastic. b. Applying the mastic first then applying the fabric and trimming to fit. c. Wrapping the component in the fabric first, then applying the mastic. d. Dipping the fabric in a diluted mixture of mastic then applying it to the component.
The___________________ fluorescent lamp can be used in dimming circuits.
Fill in the blank(s) with the appropriate word(s).
A 20 kHz sine wave has a radian frequency of
A. 20,000? rad/sec B. 40,000 rad/sec C. 40,000? rad/sec D. 10,000/? rad/sec E. 20,000 rad/sec