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Professional Development, Instructional Technology, Life Skills
1st -
Professional Development
Pre-Test: Expert Craftsman in Mechatronic
10 questions
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- 1. Multiple Choice
Electricity is related to...
Electromagnetism
Power
Energy
Circuit
- 2. Multiple Choice
Which is the push button?
- 3. Multiple Choice
What is unit of apparent power?
Mega Ohm
Volt-ampere
Volt-ampere-reactive
Watt
- 4. Multiple Choice
What is resistance?
Measure of the opposition to current flow in an electrical circuit
The pressure from an electrical circuit's power source that pushes charged electron
A flow of electrical charge carriers
The amount of energy transferred or converted per unit tim
- 5. Multiple Choice
What is Ohm's Law?
The current flowing into a node (or a junction) must be equal to the current flowing out of it
The induced voltage in a circuit is proportional to the rate of change over time of the magnetic flux through that circuit
The current through a conductor between two points is directly proportional to the voltage across the two points
The power equals the voltage across a component times the current passing through that component
- 6. Multiple Choice
An electrical safety device that operates to provide overcurrent protection of an electrical circuit is refer to....
Battery
Lamps
Fuse
Switches
- 7. Multiple Choice
What is an electric motor?
A device that converts motive power (mechanical energy) into electrical power for use in an external circuit
An electrical machine that converts electrical energy into mechanical energy
A static electrical machine which transfers AC electrical power from one circuit to the other circuit at the constant frequency
A device that stores electrical energy in an electric field. It is a passive electronic component with two terminals
- 8. Multiple Choice
What is thyristor?
A power source consisting of one or more electrochemical cells with external connections for powering electrical device
A two-terminal electronic component that conducts current primarily in one direction
A solid-state semiconductor device with four layers of alternating P- and N-type materials
A device that stores electrical energy in an electric field
- 9. Multiple Choice
An electric shock occurs when a person comes into contact with an electrical energy source. Electrical energy flows through a portion of the body causing a shock. Exposure to electrical energy may result in no injury at all or may result in devastating damage or death.
TRUE
FALSE
- 10. Multiple Choice
This diagram refer to...
Miniature circuit breaker
Soft starter
Residual current circuit breaker
Variable frequency drive
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