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Worksheets

TLE 8 TERM 1 ETA REVIEWER

Total questions: 28

Worksheet time: 29mins

Name
Class
Date
1.

Which component stores chemical energy and provides a steady DC voltage?

a)

Resistor

b)

Battery

c)

Switch

d)

Capacitor

2.

This symbol represents a device that converts electrical energy into light, like a torch bulb.

a)

Resistor

b)

Lamp

c)

Diode

d)

Fuse

3.

Which symbol correctly shows a light-emitting diode?

a)

Circle with filament symbol

b)

Diode with arrows pointing outward

c)

Diode with arrows pointing inward

d)

Triangle with no line

4.

Which of the following is used to visually represent an electrical system using standard symbols?

a)

Wiring chart

b)

Circuit symbols

c)

Voltage table

d)

Energy map

5.

What is a schematic diagram’s main purpose?

a)

Show the 3D appearance of parts

b)

Illustrate the circuit’s functional connections

c)

Measure voltage and current

d)

Indicate wire thickness

6.

In terms of a battery, polarity refers to:

a)

The capacity in amp-hours

b)

Positive and negative terminals’ orientation

c)

How long the battery can last

d)

The weight of the battery

7.

James is learning about electricity at home. He notices that the power from the wall socket and the power from a battery behave differently. Which statement about AC and DC is correct?

a)

AC maintains constant direction; DC reverses direction periodically

b)

AC reverses direction periodically; DC flows steadily in one direction

c)

Both AC and DC change direction continuously

d)

DC is only used in power transmission lines

8.

The primary function of an LED is:

a)

Produce light when current flows

b)

Store electric charge

c)

Change AC to DC

d)

Block voltage spikes

9.

Which pliers are designed to grip small components in tight spaces?

a)

Combination pliers

b)

Long-nose pliers

c)

Slip-joint pliers

d)

Locking pliers

10.

Which tool is used to trim excess wire leads after soldering?

a)

Wire stripper

b)

Side cutter

c)

Pincers

d)

Hacksaw

11.

Which type of drawing shows the arrangement of an electrical circuit without focusing on physical appearance?

a)

Wiring diagram

b)

Schematic diagram

c)

Assembly plan

d)

Flow chart

12.

Which tool removes the insulation from a wire without damaging the metal conductor?

a)

Long-nose pliers

b)

Wire stripper

c)

Soldering iron

d)

Side cutter

13.

Which tool joins electronic parts by melting a filler metal?

a)

Heat gun

b)

Glue gun

c)

Soldering iron

d)

Multimeter

14.

Which 5S step focuses on eliminating unnecessary items from the work area?

a)

Seiton

b)

Seiri

c)

Seiso

d)

Seiketsu

15.

Which 5S step involves keeping tools in their proper places for quick access?

a)

Seiketsu

b)

Seiri

c)

Seiton

d)

Shitsuke

16.

Which 5S step involves cleaning and maintaining work areas daily?

a)

Seiri

b)

Seiso

c)

Seiketsu

d)

Shitsuke

17.

Which 5S step sets the standard for maintaining cleanliness and order?

a)

Seiri

b)

Seiton

c)

Seiketsu

d)

Shitsuke

18.

Which 5S step ensures discipline to continue following workplace rules?

a)

Seiketsu

b)

Seiton

c)

Shitsuke

19.

Which device stores electrical energy temporarily?

a)

Capacitor

b)

Resistor

c)

Wires

d)

Switch

20.

Which is the most common source of AC power for homes?

a)

Battery bank

b)

Solar panel

c)

Power plant generator

d)

Capacitor bank

21.

Which symbol represents a resistor?

a)

Zigzag line

b)

Circle with X

c)

Two parallel lines of different lengths

d)

Triangle pointing to a line

22.

Which is a benefit of applying 5S in the workplace?

a)

Increased clutter

b)

Reduced productivity

c)

Safer and more efficient environment

d)

Higher electricity costs

23.

What is the importance of OHS in the workplace?

4 lines
24.

Draw a schematic diagram that includes a cell, a capacitor, an on-off switch, a resistor, and an LED.

25.

How do you differentiate hazard from risk?

4 lines
26.

Explain how power or electricity is generated, transformed, and distributed towards houses.

4 lines
27.

Define schematic diagrams.

4 lines
28.

What are the different electronic components and their function?

4 lines