ELECTRICAL FOCUSED LEARNING EXAM QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS
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Course
ELECTRICAL
Institution
ELECTRICAL
ELECTRICAL FOCUSED LEARNING EXAM QUESTIONS AND ANSWERS WITH VERIFIED SOLUTIONS
Which of the following statements defines the term transducer?
Select one:
1.A device that changes a small input signal to a larger output.
2.A device that detect the presence of a material without making physical ...
electrical focused learning exam questions and ans
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ELECTRICAL FOCUSED LEARNING EXAM QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
Which of the following statements defines the term transducer?
Select one:
1.A device that changes a small input signal to a larger output.
2.A device that detect the presence of a material without making physical contact.
3.A device that converts physical or chemical qualities into electrical signals.
4.A semi-conductor device, the resistance of which changes with temperature.
3. A device that converts physical or chemical qualities into electrical signals.
An increase in the Protective Earthing Conductor's resistance would have an effect on the operation of
the circuit protective device. Select from the list what this effect could be?
Select one:
1.Protective device may not operate due to reduced fault current.
2.Protective device would operate due to increased resistance.
3.Voltage drop in the circuit would increase.
4.No change in the operation of the protective device.
1. Protective device may not operate due to reduced fault current.
Which of the factors listed will limit the prospective short-circuit current in an electrical installation?
Select one or more:
1.Circuit impedance from transformer to the electrical switchboard
, 2.Type of distribution switchboard installed.
3.Supply frequency
4.Impedance of the supply transformer
4. Impedance of the supply transformer,
1. Circuit impedance from transformer to the electrical switchboard
Which of the following factors can determine the voltage drop in a single-phase 230V final sub-circuit
cable?
Select one or more:
1.Installation method used.
2.Length of sub-circuit cable.
3.Type of protective device fitted.
4.Load.
4.Load.,
2.Length of sub-circuit cable.
Which of the following components are used to filter the pulsating output of a rectifier?
Select one or more:
1.Capacitor
2.Diode
3.Inductor
4.Resistor
4.Resistor,
1.Capacitor,
3.Inductor
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