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100+ Free JC Applied Technology Practice Questions

Junior Cycle Applied Technology (Ireland) practice questions are available now; exam metadata is being verified.

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2026 Statistics

Key Facts: JC Applied Technology Exam

Common level

Junior Cycle Applied Technology is examined at common level

NCCA Junior Cycle Applied Technology specification

70% + 30%

Typical SEC weighting: project then written examination

NCCA Applied Technology assessment arrangements / school guidance leaflets

90 minutes

Typical length of the final common-level written examination

NCCA Junior Cycle Applied Technology specification

Technology suite

Offered with Engineering, Wood Technology and Graphics at junior cycle

Curriculum Online / NCCA

€109

Junior Cycle entry fee for 2026 (medical-card holders exempt)

State examinations fee information for 2026

Descriptors

Results reported with grade descriptors, not a simple pass/fail

State Examinations Commission / Junior Cycle reporting

MCQ study aid

This bank is a free English-language MCQ adaptation, not official SEC format

OpenExamPrep

100

Free original practice questions here

OpenExamPrep

Junior Cycle Applied Technology (Ireland) is a common-level SEC/NCCA technology-suite subject for third-year students. Aims: curiosity about technology and solving real-life problems. SEC grade: project ~70% + written exam ~30% (about 90 minutes); plus CBAs. Strands cover principles/practices, energy and control, and technology and society. 2026 JC entry fee €109 (medical card exempt); grade descriptors, not pass/fail. This free bank is an English-language MCQ adaptation, not an official-format simulation.

Sample JC Applied Technology Practice Questions

Try these sample questions to test your JC Applied Technology exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In a simple control system, what is the correct order of the three main stages?
A.Output → Process → Input
B.Input → Process → Output
C.Process → Input → Output
D.Input → Output → Process
Explanation: A control system senses or receives an input, processes that information (logic, comparison or programme), then drives an output (actuator, display or alarm).
2Which device is most clearly an input sensor in a school project?
A.DC motor
B.Light-dependent resistor (LDR)
C.Buzzer
D.LED
Explanation: An LDR senses light level and provides an input signal. Motors, buzzers and LEDs are typically output devices.
3What is the main role of an actuator in a control system?
A.To store the design brief permanently
B.To measure only temperature in every system
C.To replace the need for any input
D.To produce a physical action or change as the system output
Explanation: Actuators (motors, solenoids, heaters, buzzers) convert processed signals into physical outputs such as motion, heat or sound.
4A bathroom extractor fan that turns on only when humidity is high is best described as using:
A.Closed-loop (feedback) control
B.No control at all
C.Open-loop control with no sensing
D.Random timing only
Explanation: The system senses humidity and adjusts the fan based on feedback about the actual condition—classic closed-loop control.
5What is a key difference between open-loop and closed-loop control?
A.Open-loop always uses sensors; closed-loop never does
B.They are identical terms for the same system
C.Closed-loop uses feedback from the output; open-loop does not
D.Closed-loop cannot use any electronics
Explanation: Open-loop runs a set sequence without checking the result. Closed-loop measures the output (or related condition) and feeds that information back to adjust the process.
6A simple automatic night light should turn LEDs on when it is dark. Which input is most suitable?
A.A loudspeaker as the only sensor
B.A gear train with no electronics
C.An LDR sensing ambient light
D.A pure mechanical cam with no light sensing
Explanation: Darkness is a light-level condition, so an LDR (or similar light sensor) is the appropriate input for switching lighting.
7In a flowchart for a control sequence, a diamond-shaped symbol usually represents:
A.A decision or comparison
B.An absolute start only
C.A final manufactured part
D.A materials list
Explanation: Flowchart diamonds mark decision points (yes/no or comparisons). Rectangles typically show processes; ovals often mark start/stop.
8Which statement best describes a 'programmable' control system at Junior Cycle level?
A.The system can never use sensors
B.Hardware must be melted and recast to change function
C.Instructions can be written and changed to alter system behaviour
D.Only pure mechanical cams can be used
Explanation: Programmable control (microcontroller, PIC, or similar classroom controller) lets students design and edit a logical sequence of instructions.
9A traffic-light sequence runs red → red+amber → green → amber → red on a fixed timer with no traffic sensors. This is mainly:
A.Open-loop sequential control
B.Closed-loop adaptive control based on queue length
C.Random output control
D.Manual human-only control with no sequence
Explanation: A fixed timed sequence without sensing vehicle presence is open-loop sequential control. Adaptive systems that respond to traffic density use feedback.
10Why are limit switches often used on a sliding automatic door?
A.To generate light for decoration only
B.To heat the door frame
C.To replace the need for any power supply
D.To detect end positions and stop the motor safely
Explanation: Limit switches provide position feedback so the controller stops the motor at fully open or fully closed positions, improving safety and preventing mechanical damage.

About the JC Applied Technology Practice Questions

Verified exam format metadata for Junior Cycle Applied Technology (Ireland) is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.