ROBOTICS EXAMS QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2026
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1. Which of the following is a primary function of industrial
control systems?
A. Entertainment processing
B. Monitoring and controlling industrial processes
C. Social media management
D. Graphic design
Rationale: Industrial control systems regulate machines and
processes in industries.
Correct Answer: B
2. What does PLC stand for?
A. Process Logic Controller
B. Programmable Logic Controller
C. Power Line Circuit
D. Programmed Load Control
Rationale: PLC is a digital industrial computer used for
automation.
Correct Answer: B
,3. Which sensor detects proximity without physical contact?
A. Temperature sensor
B. Proximity sensor
C. Pressure sensor
D. Flow sensor
Rationale: Proximity sensors detect nearby objects without
touching them.
Correct Answer: B
4. What is the main role of a robot in industrial automation?
A. Cooking food
B. Performing repetitive tasks
C. Writing reports
D. Designing websites
Rationale: Robots automate repetitive and precise tasks in
industries.
Correct Answer: B
5. Which component executes PLC instructions?
A. CPU
B. Motor
C. Sensor
D. Valve
,Rationale: The CPU processes PLC logic instructions.
Correct Answer: A
6. What is an actuator?
A. Input device
B. Output device that produces motion
C. Software program
D. Sensor module
Rationale: Actuators convert electrical signals into physical
motion.
Correct Answer: B
7. Which language is commonly used in PLC programming?
A. HTML
B. Ladder Logic
C. Python only
D. JavaScript
Rationale: Ladder logic resembles electrical circuits for PLC
programming.
Correct Answer: B
8. What is the function of a relay in control systems?
, A. Store data
B. Amplify sound
C. Switch circuits on/off
D. Measure temperature
Rationale: Relays act as electrically operated switches.
Correct Answer: C
9. Which device measures temperature in industrial systems?
A. Thermocouple
B. Motor
C. Relay
D. Actuator
Rationale: Thermocouples are used for temperature sensing.
Correct Answer: A
10. What is the purpose of feedback in control systems?
A. Increase cost
B. Improve accuracy
C. Reduce wiring
D. Increase noise
Rationale: Feedback ensures system accuracy and stability.
Correct Answer: B