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BUILDING UTILITIES PART 2_ELECTRICAL

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

What are the types of current commonly used in the Philippines?

a)

Analog and Digital

b)

High Voltage and Low Voltage

c)

Positive and Negative

d)

AC and DC

2.

Which unit is used to measure electricity?

a)

Ohm

b)

Volt

c)

Watt

d)

Ampere

3.

According to Ohm's Law, what is the relationship between voltage, current, and resistance?

a)

V = R/I

b)

V = I/R

c)

V = IR

d)

I = VR

4.

What is the main power source for electrical systems?

a)

Batteries

b)

Solar Panels

c)

Generators

d)

Electric Grid

5.

What are the components of a three-phase electrical system?

a)

Phase A, Phase B, Phase C

b)

Red, Green, Blue

c)

Hot, Ground, Neutral

d)

Positive, Negative, Neutral

6.

Which method is commonly used for wiring systems?

a)

Star Wiring

b)

Daisy Chain Wiring

c)

Series Wiring

d)

Parallel Wiring

7.

What is the purpose of an Emergency Electric Supply System?

a)

Improve Energy Efficiency

b)

Provide Backup Power

c)

Reduce Electricity Bills

d)

Control Voltage Fluctuations

8.

Which material is commonly used as an electrical conductor?

a)

Glass

b)

Copper

c)

Plastic

d)

Rubber

9.

What is the function of a Circuit Breaker in an electrical system?

a)

Regulate Voltage

b)

Control Current Flow

c)

Prevent Overloads

d)

Generate Electricity

10.

What do Electrical Symbols represent in a layout?

a)

Component Functions

b)

Temperature Levels

c)

Power Consumption

d)

Wire Lengths

11.

Which of the following is considered an Alternative Power Source?

a)

Natural Gas Power

b)

Coal Power

c)

Hydroelectric Power

d)

Nuclear Power

12.

What does PD1096 refer to in Electrical Regulations?

a)

Safety Standards

b)

Environmental Laws

c)

Building Codes

d)

Energy Policies

13.

Where are Poles and Conductors typically located in an electrical system?

a)

Underground

b)

On Rooftops

c)

Along Roadsides

d)

Inside Buildings

14.

What is the purpose of Outlets and Receptacles in an electrical system?

a)

Store Energy

b)

Distribute Power

c)

Measure Current

d)

Control Voltage

15.

Which material is commonly used as an electrical insulator?

a)

Copper

b)

Rubber

c)

Steel

d)

Aluminum

16.

What is the purpose of a fuse in an electrical circuit?

a)

Regulate Voltage

b)

Control Current Flow

c)

Prevent Overloads

d)

Generate Electricity

17.

Which type of wiring is commonly used for residential electrical installations?

a)

Star Wiring

b)

Daisy Chain Wiring

c)

Series Wiring

d)

Parallel Wiring

18.

What is the function of a transformer in an electrical system?

a)

Convert AC to DC

b)

Regulate Voltage

c)

Step up or Step down Voltage

d)

Control Current Flow

19.

What is the purpose of a capacitor in an electrical circuit?

a)

Store Energy

b)

Control Current Flow

c)

Regulate Voltage

d)

Generate Electricity

20.

What is the relationship between power, voltage, and current in an electrical system?

a)

Power = Voltage x Current

b)

Power = Voltage / Current

c)

Power = Current / Voltage

d)

Power = Current x Voltage

21.

What is the purpose of a ground wire in an electrical system?

a)

Regulate Voltage

b)

Control Current Flow

c)

Prevent Electric Shocks

d)

Generate Electricity

22.

What is the function of a diode in an electrical circuit?

a)

Store Energy

b)

Control Current Flow

c)

Regulate Voltage

d)

Allow Current Flow in One Direction

23.

What is the purpose of a circuit breaker in an electrical system?

a)

Regulate Voltage

b)

Control Current Flow

c)

Prevent Overloads

d)

Generate Electricity

24.

What is the function of a transformer in an electrical system?

a)

Convert AC to DC

b)

Regulate Voltage

c)

Step up or Step down Voltage

d)

Control Current Flow

25.

Which material is commonly used as an electrical insulator?

a)

Copper

b)

Rubber

c)

Steel

d)

Aluminum