Most cutting tips are made of ____________________.
Fill in the blank(s) with the appropriate word(s).
copper alloy
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Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. Solenoids are electromagnetic coils that use a movable plunger to translate electrical energy into straight-line motion. 2. A relay is an electromagnetic switch, almost always with a single switching contact, that may open or close when the relay coil is energized. 3. For the better part of this century, millions of relays have been used as controls for very strong currents or high voltages, with a relatively small voltage or current source. 4. This concept of relay ladder logic plays an important role in the solid-state devices known as programmable processors. 5. The electric bell (or buzzer) demonstrates the principle of modifying a relay circuit to produce vibratory motion.
A force-field analysis identifies
a. management potential in existing employees. b. differing perceptions among future employees. c. differing perceptions among managers regarding structural change. d. factors that facilitate and hinder organization change. e. the appropriate span of management for an organization.
The sum of the voltage drops in a series circuit equals the _________
A) Amperage B) Wattage C) Resistance D) Source voltage