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PRACTICE PMMI - INDUSTRIAL ELECTRICITY QUESTIONS WITH 100% CORRECT ANSWERS!!
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PRACTICE PMMI - INDUSTRIAL ELECTRICITY QUESTIONS WITH 100% CORRECT ANSWERS!!
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PRACTICE PMMI -INDUSTRIAL
ELECTRICITY
QUESTIONS WITH
100% CORRECT
ANSWERS!!
Evatee 9/26/24 PMMI
,PRACTICE PMMI - INDUSTRIAL ELECTRICITY
QUESTIONS WITH 100% CORRECT
ANSWERS!!
The purpose of an electrical ladder diagram is to___________________?
Depict the physical wiring of the system
Depict the physical location of the components in the system
Depict the electrical interconnections of the components in the system.
All of the above. Answer - Depict Electrical Configurations
What is the total resistance of this circuit?
50Ω
5.5Ω
500 Ω
None of these Answer - None
The coil of a relay is a(n):
Input Device
Output Device
Both A and B
None of the above Answer - Output
Inductance is defined as? Answer -
, Power in a circuit can be determined by
Multiplying current by resistance
Dividing voltage by current
Dividing current by resistance
Multiplying current by voltage Answer - Multiplying Current By Voltage
Undervoltage protection in a two wire control system
Allows the system to 'ride through' voltage sags
Ensures the system restarts as soon as the voltage level returns to normal
Disables automatic restarts after a power loss
Ensures the voltage does not dip below nominal tolerances Answer - Disables
the restart button
In order to reverse the direction of a 3-phase motor, you should
Rotate the motor 180 degrees
Interlock the forward and reverse contactors
Swap T1 and T3
Wire for high voltage Answer - Swap T1 and T3
Voltage across a set of closed N.O. contacts should be
Zero
The source voltage
Infinite resistance
None of the above Answer - Zero
The difference in electrical potential between two points is defined as
Current
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