A) Technician A
B) Technician B
C) Both technicians
D) Neither technician
What type of lines are thin lines in a long-short-short-long pattern that are used to show motion or to show an alternative position of a moving part?
A. break
B. phantom
C. section
D. leader
Answer: B
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Answer the following statement(s) true (T) or false (F)
1. Line diagrams include all of the devices in the system and show the physical relationships between the devices. 2. The control circuit consists of the main contacts and the overload heaters to the motor. 3. Three-wire control prevents the restarting of machinery when power is restored. 4. Motors draw half as much current on high voltages as they do on low voltages. 5. Throttle valves and narrow pipes can waste huge amounts of power.
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A semiconductor is a material or device that is designed with extra resistance.
Answer the following statement true (T) or false (F)
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Over the elastic range, the deformation of a spring is directly proportional to
a. the amount of stretch. b. the amount of compression. c. the applied force. d. the spring constant.
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Technician A says that Ohm's law can be used to determine circuit current flow if total circuit resistance and total voltage are known. Technician B says that Ohm's law can be used to calculate the unknown resistance of a load in a circuit if total current and source voltage are known. Which technician is correct?
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