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Worksheets

Tech. English Electronic Advance

Total questions: 85

Worksheet time: 45mins

Name
Class
Date
1.

A solid-state component that can amplify electrical signals or act as a switch in a circuit.

a)

Capacitor

b)

Diode

c)

Transistor

d)

Inductor

2.

An emergency device on aircraft that uses airflow to generate power when other systems fail.

a)

APU

b)

RAT

c)

TRU

d)

PTU

3.

A modular strip where wires are securely connected and organized in an electrical circuit.

a)

Terminal block

b)

Circuit breaker

c)

Fuse

d)

Wiring panel

4.

A navigation system used in military aviation that combines distance and directional info.

a)

TACAN

b)

VOR

c)

Radar system

d)

VHF

5.

A device that converts AC to DC for use in aircraft power systems.

a)

PTU

b)

Transformer

c)

TRU

d)

Generator

6.

A safety component that melts to break the circuit when the current exceeds a safe level.

a)

Diode

b)

Circuit breaker

c)

Fuse

d)

Resistor

7.

A resettable protective device that stops the flow of electricity in overload conditions.

a)

Circuit breaker

b)

Battery cell

c)

Inductor

d)

Switch

8.

The invisible force surrounding a magnet or current-carrying wire.

a)

Electromagnet

b)

Magnetic field

c)

Static charge

d)

Ohmic resistance

9.

A tool used to measure the flow of current in a circuit.

a)

Voltmeter

b)

Ammeter

c)

Ohmmeter

d)

Multimeter

10.

A radio frequency band typically used in military communications.

a)

VOR

b)

VHF

c)

UHF

d)

Radar

11.

An electrical component that stores energy in a magnetic field when current flows through it.

a)

Capacitor

b)

Inductor

c)

Transistor

d)

Transformer

12.

An instrument that measures resistance in an electrical circuit.

a)

Multimeter

b)

Ohmmeter

c)

Ammeter

d)

Receiver

13.

A radar function that maintains continuous focus on a moving object.

a)

Search

b)

Track

c)

Lock-on

d)

Sweep

14.

A system that detects, locates, and tracks objects using radio waves.

a)

Compass

b)

Avionics

c)

Radar system

d)

Reception

15.

A buildup of electrical charge on the surface of an object, often caused by friction.

a)

Current

b)

Static electricity

c)

Voltage

d)

Inductance

16.

A device or signal that alerts operators to faults or malfunctions.

a)

Warning light

b)

Receiver

c)

Volt sensor

d)

Display panel

17.

A mechanical unit that shifts power from one system to another, commonly used in aircraft.

a)

Transformer

b)

Power Transfer Unit (PTU)

18.

A switch used to activate or deactivate the alternator in an aircraft electrical system.

a)

Breaker

b)

Alternator switch

c)

Relay

d)

Load tester

19.

The pressure that pushes electric current through a circuit.

a)

Current

b)

Voltage

c)

Resistance

d)

Capacitance

20.

A type of electrical current that regularly reverses direction.

a)

Static electricity

b)

Direct current

c)

Alternating current

d)

Inductance

21.

The electrical potential energy that causes current to flow in a circuit.

a)

Ohmic law

b)

Capacitance

c)

Electromotive force

d)

Inductance

22.

A device that stores electrical energy temporarily in an electric field.

a)

Inductor

b)

Capacitor

c)

Resistor

d)

Diode

23.

A power storage unit made of multiple connected battery cells.

a)

Battery cell

b)

Power storage

c)

Battery pack

d)

Circuit

24.

A machine that produces electricity by converting mechanical energy.

a)

Generator

b)

Transformer

c)

PTU

d)

Alternator switch

25.

The relationship between voltage, current, and resistance in a circuit.

a)

Faraday’s Law

b)

Ohm’s Law

c)

Lenz's Law

d)

Newton's Law

26.

A complete path that allows electric current to flow.

a)

Conductor

b)

Circuit

c)

Inductor

d)

Ground

27.

The number of electrical power lines or waveforms used in transmission.

a)

Current

b)

Resistance

c)

Phase

d)

Voltage

28.

A radar setting used to initially detect objects within a certain area.

a)

Lock-on

b)

Search

29.

A system used for aircraft navigation using radio signals to determine position and direction.

a)

VHF

b)

VOR

c)

UHF

d)

APU

30.

A navigation instrument that shows the aircraft’s heading relative to magnetic north.

a)

Radar

b)

Avionics

c)

Compass

d)

Display screen

31.

What does APU stand for in aircraft systems?

a)

Automated Pressure Unit

b)

Auxiliary Power Unit

c)

Airflow Pressure Unit

d)

Aircraft Power Usage

32.

TRU in an aircraft electrical system is a device that:

a)

Converts direct current into alternating current

b)

Measures total power usage

c)

Converts alternating current into direct current

d)

Regulates fuel temperature

33.

What does VHF stand for in aviation communication?

a)

Very Hot Frequency

b)

Variable High Frequency

c)

Very High Frequency

d)

Voltage Heat Flow

34.

TACAN stands for:

a)

Tactical Air Navigation

b)

Technical Air Control and Navigation

c)

Terminal Area Communication and Navigation

d)

Trans-Atlantic Communication and Navigation

35.

What does RAT stand for in aircraft emergency systems?

a)

Ram Air Turbine

b)

Rotational Air Transformer

c)

Remote Avionics Tool

d)

Reactive Altitude Tracker

36.

What does DC refer to in electrical systems?

a)

Dual Circuit

b)

Direct Current

c)

Diode Connector

d)

Dynamic Capacitance

37.

What is the meaning of AC in electronics?

a)

Alternating Current

b)

Air Control

c)

Auxiliary Conduit

d)

Advanced Circuit

38.

In aviation electronics, what does PTU stand for?

a)

Power Transmission Unit

b)

Pressure Transfer Unit

c)

Power Transfer Unit

d)

Pulse Transformer Unit

39.

What does UHF mean in radio frequency communication?

a)

Ultra High Frequency

b)

Universal Heat Flow

c)

Uncontrolled High Flow

d)

Uniform Helix Frequency

40.

What does EMF stand for in electrical theory?

a)

Electric Motion Formula

b)

Electro-Mechanical Flow

c)

Electromagnetic Frequency

d)

Electromotive Force

41.

A passive component that stores energy in an electric field and resists changes in voltage is called a:

a)

Inductor

b)

Capacitor

c)

Diode

d)

Transformer

42.

This component allows current to flow in only one direction:

a)

Transistor

b)

Diode

c)

Capacitor

d)

Transformer

43.

A property of an electrical conductor by which a changing magnetic field produces a voltage is known as:

a)

Inductance

b)

Capacitance

c)

Resistance

d)

Impedance

44.

This law defines the relationship between voltage, current, and resistance in an electrical circuit:

a)

Faraday’s Law

b)

Newton’s Law

c)

Ohm’s Law

d)

Coulomb’s Law

45.

What is a semiconductor used for?

a)

Amplifying and switching signals

b)

Measuring magnetic fields

46.

The component that increases or decreases AC voltage in a circuit is the:

a)

Inductor

b)

Transformer

c)

Diode

d)

Transistor

47.

Which field is created by moving electrical charges and is essential for motors and generators?

a)

Magnetic Field

b)

Static Field

c)

Electric Field

d)

Electromagnetic Spectrum

48.

What unit is used to measure resistance?

a)

Volt

b)

Ampere

c)

Ohm

d)

Farad

49.

Which of the following is not used to test or measure electrical values?

a)

Multimeter

b)

Voltmeter

c)

Trip

d)

Ammeter

50.

A device that interrupts excessive current flow to protect the circuit is a:

a)

Transformer

b)

Circuit Breaker

c)

Insulator

d)

Transistor

51.

Choose the correctly spelled word.

a)

C. Capasitance

b)

B. Capacitense

c)

C. Capacitance

52.

Choose the correctly spelled word.

a)

Electromagnatism

b)

Electromagnetism

c)

Electromagnetisam

53.

Choose the correctly spelled word.

a)

Resistence

b)

Resistance

c)

Resitense

54.

Choose the correctly spelled word.

a)

Semyconductor

b)

Semiconductor

c)

Semikonducter

55.

Choose the correctly spelled word.

a)

Tranzistor

b)

Transistor

c)

Transistore

56.

Which word has 4 syllables?

a)

Multimeter

b)

Fuse

c)

Compass

d)

Ohmmeter

57.

Which word has 3 syllables?

a)

Transistor

b)

Wire

58.

Which word has 2 syllables?

a)

A. Ammeter

b)

B. Capacitor

c)

C. Conductor

d)

D. Transformer

59.

Which word has 5 syllables?

a)

Electromagnetism

b)

Voltage

c)

Generator

d)

Receiver

60.

Which word has 1 syllable?

a)

Fuse

b)

Circuit

c)

Insulate

d)

Reticle

61.

Which word has 3 syllables?

a)

Terminal

b)

Trip

c)

Pack

d)

Diode

62.

Which word has 2 syllables?

a)

Battery

b)

Transformer

c)

Circuit breaker

d)

Reception

63.

Which word has 4 syllables?

a)

Avionics

b)

Radar

c)

Static

d)

Field

64.

Which word has 3 syllables?

a)

Generator

b)

Fuse

c)

Volt

d)

Phase

65.

Which word has 2 syllables?

a)

Wiring

b)

Inductor

c)

Compass

d)

Multimeter

66.

"Short-circuit the process" means:

a)

Start the generator

b)

Avoid a necessary step

c)

Check all wiring

d)

Follow the full procedure

67.

"Blow a fuse" means:

a)

React with sudden anger

b)

Turn on a machine

c)

Fix a blown circuit

d)

Detach the fuse box

68.

"Get your wires crossed" means:

a)

Make a wiring diagram

b)

Confuse communication or instructions

c)

Link two circuits

d)

Install wiring incorrectly

69.

"Power up" means:

a)

Eat something

b)

Lose electricity

c)

Start a system or machine

d)

Shut everything off

70.

"In the loop" means:

a)

Outside the circuit

b)

Well-informed and updated

c)

Disconnected

d)

Rotating power

71.

"Light up like a Christmas tree" means:

a)

Blow all bulbs

b)

Look decorated

c)

Show multiple warning lights

d)

Gain extra voltage

72.

"Trip the system" means:

a)

Stabilize the current

b)

Accidentally shut off the system

c)

Fix a software issue

d)

Loop the electrical source

73.

"Pull the plug" means:

a)

Start the backup system

b)

Drain the battery

c)

Terminate a project or shut down

d)

Replace the battery

74.

"Run out of juice" means:

a)

Run out of physical strength

b)

Lose battery or power

c)

Spill fluid

d)

Boost the power supply

75.

"A live wire" refers to someone who is:

4 lines
76.

The __________ ensures that the current flows in one direction only.

a)

diode

b)

resistor

c)

capacitor

d)

transformer

77.

When the circuit overheats, the __________ will blow to prevent further damage.

a)

fuse

b)

wire

c)

switch

d)

bulb

78.

A low __________ reading indicates a weak current supply.

a)

voltage

b)

resistance

c)

temperature

d)

frequency

79.

The pilot used the __________ to maintain correct direction during flight.

a)

compass

b)

thermometer

c)

altimeter

d)

speedometer

80.

The __________ provides emergency energy during flight failures.

a)

RAT (Ram Air Turbine)

b)

APU (Auxiliary Power Unit)

c)

FDR (Flight Data Recorder)

d)

ELT (Emergency Locator Transmitter)

81.

The signal was weak due to poor __________ from the antenna.

a)

reception

b)

reflection

c)

connection

d)

direction

82.

When you overload the circuit, it will __________ and automatically shut off.

a)

trip

b)

spark

c)

melt

d)

buzz

83.

The __________ stores chemical energy and releases it as electrical energy.

a)

battery

b)

wire

c)

bulb

d)

switch

84.

The aircraft needs high __________ output to power all its systems.

a)

power

b)

speed

c)

weight

d)

altitude

85.

An __________ stores energy in a magnetic field when current flows through it.

a)

inductor

b)

resistor

c)

capacitor

d)

transformer