How can you reduce or eliminate the risk of injury during soldering?

Never touch the element, or tip, of the soldering iron.

Use pliers, or clamps if available to hold wires that are to be heated.

Return the soldering iron to its stand when not in use.

Turn off or unplug the soldering iron occasionally when not in use.

How can you employ engineered controls in a machine that may cause injury to the users?

Put barriers or machine guards.

Replace it with a machine that is safer to use.

Formulate safety procedures in using the machine.

Remove the machine from the workplace.

What is the function of the adjustment screw in a multimeter?

To adjust the pointer to the zero position of the scale.

To zero in the pointer before measuring resistance.

To adjust the different functions and ranges of the meter.

To connect the circuit to the electrical components being tested.

Upon testing the Touch Sensor circuit, the LED does not turn on. You tested the LED with the multimeter and found out it’s not defective. The transistor is not defective as well. What could be the cause of the problem?

The transistor was installed incorrectly.

The polarity of the resistor is incorrect.

The touch probes were interchanged.

You just finished assembling the circuit in the breadboard, however, the LED lights are too low. How would you troubleshoot the circuit?

Test the LED or try a new one to confirm if it is the cause of the problem.

Use a different breadboard to ensure it is not defective.

Replace the resistor with a higher resistance.

Check the polarity of the transistor, then reinstall it if necessary.

How does measuring DC voltage differ from measuring AC voltage?

In measuring DC voltage, the correct polarity must be followed while it is not in measuring AC voltage.

In measuring DC voltage, the correct polarity is not followed while it must be followed in measuring AC voltage.

You can interchange the test probes in measuring DC voltage while you can’t in measuring AC voltage.

The correct polarity in measuring DC voltage is not important while it is important in measuring AC voltage.

What is the importance of adjusting the pointer to the zero position before making any measurement in a multimeter?

To ensure the accuracy of the measured value.

To ensure that the correct procedure is followed.

To increase the battery life of the multimeter.

To avoid overloading the multimeter.

What is the first step in measuring resistance?

Set the multimeter to the ohmmeter function.

Set the multimeter to voltmeter function.

Connect the test probes to the component to be tested.

Adjust the zero-ohm adjuster so that the pointer is at zero ohms.

What is the function of the electric motor in a washing machine?

It turns the drum and produces a rotating motion.

It controls the amount of electricity supplied to the machine.

It is used to set the wash time.

Andy wants to confirm the actual resistance of a 500k ohms resistor. He measured it using the ohmmeter function set to X100. The result showed infinite resistance. What could be the cause of it?

The multiplier was set too low.

The multimeter was set to the wrong function.

The multiplier was set too high.

Andy will troubleshoot a washing machine that does not turn on. Which set of tools should he prepare?

Multimeter, Screwdrivers, Pliers, Wrenches

Multimeter, Safety Goggles, Pliers, Screwdrivers

Multimeter, Capacitor, Screwdrivers, Pliers

Multimeter, Pliers, Screwdrivers, Thermal Fuse

What is the importance of the lid switch in a washing machine?

It ensures the safety of the user if in case the lid is opened while the machine is running.

It ensures that there is enough water inside the tub or drum.

It ensures that the lid is open while the machine is running.

It ensures that the lid is closed when the machine is not in use.

What is the function of an agitator in a washing machine?

It moves the clothes around during the wash cycle.

It helps the water drain after washing.

It holds water during the washing cycle.

It sets the wash time for your laundry cycles.

What is the importance of conducting visual inspection in performing troubleshooting?

It can uncover clues about the possible problem of the machine.

It can provide exact information about the repair history of the machine.

It can provide details about the problem of the machine.

It can uncover all the defects of the machine.

What is the symptom of a defective fuse in a washing machine?

The washer is energized but not spinning.

Pulsator doesn’t rotate normally.

What must be checked first if the washing machine does not turn on?

Check the motor if still working.

Which of the following is a symptom of a defective capacitor in a washing machine?

Motor rotation does not reverse.

How would you troubleshoot a washing machine that is turned on but won’t spin?

Test the capacitor using a multimeter, then replace it if necessary.

Check the specification of the capacitor, then replace it.

Check the continuity of the timer using an ohmmeter, then replace if necessary.

Check the continuity of the fuse, then replace it if it has no continuity.

How would you diagnose a washing machine that does not turn on?

Check the continuity of the power cord, fuse, and the timer.

Check the tightness of the belt.

Test the capacitor and replace it if necessary.

Check the pulsator for misalignment or deformed spline.

How does the symptom of a defective capacitor differ from a defective fuse?

If the fuse is defective the machine won’t turn on, while if the capacitor is defective, the motor will hum but won’t start or run slowly.

If the capacitor is defective the machine won’t turn on, while if the fuse is defective, the motor will hum but won’t start or run slowly.

If the capacitor is defective the machine will run noisy while, if the fuse is defective, the machine will not turn on.

If the fuse is defective the machine will run

Why does the washing machine motor fail to start when the capacitor is defective?

Because the capacitor is unable to provide a boost of electrical power to start the motor.

Because the capacitor serves as a switch to turn the motor on.

Because the capacitor blocks the flow of current going to the motor.

Because the capacitor is unable to transmit power from the electric motor to the spin assembly.

What does “maintenance” mean?

A work done to keep a machine in good condition.

A work done to put something that is broken back in good condition.

A work done to identify the defect of a machine.

A work done to replace a defective part of a machine.

What should be considered in replacing a defective component during repair?

The description of the component.

The quality of the component to be replaced.

Which of the following is done during the maintenance of a washing machine?

Soldering electrical connections.

Testing the capacitor for continuity.

You’re testing the unit after maintenance using a multimeter and got an infinite resistance reading even if it’s turned on. What could have caused this?

There is a disconnected component or wiring.

The components got wet resulting in an open circuit.

There is a short circuit in the wirings.

The moving parts were not properly lubricated.

During maintenance of a washing machine, you found out that the motor does not rotate as freely as it is supposed to. Which of the following procedures should you do?

Apply lubricant to the bushing or bearing, or replace them if the problem persists.

Clean or wipe dust and foreign particles on the metal parts of the motor.

Apply anti-rust lubricant to the motor windings.

Replace motor bushing or bearing, then apply lubricant to ensure smooth operation.

How can you ensure proper cleaning of the washing machine during maintenance?

Use mild soap, a damp cloth, or a rug in cleaning the plastic parts.

Apply lubricants to all mechanical parts.

Use abrasive material in cleaning the plastic front panel.

Replace worn or frayed AC cord.

Ben is performing maintenance of the electrical parts of the washing machine. Which of the following procedures Ben is most likely doing?

Inspecting AC cord and wiring connections.

Applying grease to the mechanical parts of the washing machine.

Replacing a defective electric motor.

Removing corrosion or rust from metal parts.

What is the importance of lubricating the mechanical parts?

It reduces friction between moving parts.

It promotes premature wear and tear of components.

It reduces the energy efficiency of the machine.

It serves as a protective barrier between plastic parts.

TLE/TVEFIRST QUARTER EXAM REVIEWER

Authored by Jorge Trinidad

Education

10th Grade

Used 3+ times

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the importance of employing control measures in Occupational Health and Safety?

It helps in identifying the hazard.

It helps in identifying the cause of an accident.

It reduces or eliminates the need for safety training.

It reduces or eliminates the risk of an accident.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does circuit overloading mean?

Using incorrect tools for the job.

Circuit has exposed electrical parts.

Excessive amount of current passing through the circuit.

Using wires with higher capacity than the load.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is NOT safe work practice?

Use the right tool for the job.

Tilt the work surface instead of the wrist.

Sit up straight so the chair offers good back support.

Lift heavy objects alone

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following is an example of an electrical hazard?

Chemical spill

Open wires

Welding fumes

Poor Ventilation

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What does OHS stand for?

Operational Health and Safety

Occupational Health and Safety

Occupational Health and Security

Occupational Hazards and Safety

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which component is directly connected to the negative terminal of the battery?

LED

Transistor

Resistor

Touch probe

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the function of a resistor in a circuit?

It limits the flow of current

It stores electric charge

It turns the circuit on or off.

It protects the circuit from overcurrent.

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TLE/TVEFIRST QUARTER EXAM REVIEWER

What is the importance of employing control measures in Occupational Health and Safety?

What does circuit overloading mean?

Which of the following is NOT safe work practice?

Which of the following is an example of an electrical hazard?

What does OHS stand for?

Which component is directly connected to the negative terminal of the battery?

What is the function of a resistor in a circuit?

Which electronic component allows current to flow in a single direction only?

How can you reduce or eliminate the risk of injury during soldering?

How can you employ engineered controls in a machine that may cause injury to the users?

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