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University

25 Qs

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Quiztions!

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Assessment

Quiz

Engineering

University

Practice Problem

Medium

Created by

Johnrex Cabrela

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25 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the primary function of an electrical contactor in a motor starter?

To measure the impedance of the rotor

To switch ON/OFF the power supply to the motor

To protect the motor from overload conditions

To reverse the direction of the motor

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is an overload protection circuit necessary in a motor starter?

To increase the rotor speed

To enhance the efficiency of the motor

To protect the motor from damage due to high current

To reduce the slip in the induction motor

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How does a motor starter protect an induction motor at startup?

By increasing the initial current

By decreasing the slip

By limiting the initial current

By reversing the motor direction

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What factor influences the rotor impedance in an induction motor?

Voltage

Current

Slip

Frequency

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a function of a motor starter?

Safely starting and stopping a motor

Reversing the direction of the motor

Measuring the voltage supply

Protecting the motor from low voltage and overcurrent

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the first step in the electrical troubleshooting process?

Identifying possible causes

Testing and repairing the circuit

Defining the problem area

Observing the circuit

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT a sign of a defective component?

Signs of burning in light bulbs

Detaching adhesive bolts and screws

Signs of overheating in the circuit

Completely functional wiring

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