____ are used where work is too large to be moved.
A. Rocker-arm spot welders
B. Press-type spot welders
C. Portable spot welders
D. Resistance welders
Answer: C
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Answer the following statement(s) true (T) or false (F)
1. In a squirrel cage motor, the rotor is constructed of steel laminations mounted rigidly on the motor shaft. 2. Locked rotor currents for different motor types vary from 10 to 20 times the full-load current of the motor. 3. Slip refers to the twisting or turning of the motor shaft. 4. By reducing the starting voltage, at the motor terminals, the starting torque is decreased. 5. With impedance starting, reactors are used in series with the motor.
Which of the following is used to measure the current flowing through the circuit to help determine the approximate load condition of a motor or the operating load of a circuit?
a. ohmmeter b. voltmeter c. ammeter d. thermocoupl
Precast concrete wall units are available in which of the following forms?
a. pinned b. anchored c. lipped d. all of the above
You are a member of a group composed of a production supervisor, an executive secretary,
a plant manager, and the firm's chief legal council. The group has an unspecified time horizon and came into being on its own. What kind of group is this?
a. Functional b. Informal c. Formal d. Task e. Artificial