1st formative assessment PLC 1st Batch

1. What is the primary purpose of a PLC?

• a) To control machinery on factory assembly lines

• b) To control building management systems

• c) To control industrial processes

• d) All of the above

2. What type of programming language is typically used to program a PLC?

• a) C++

• b) Java

• c) Ladder Logic

• d) Python

3. How many maximum input and output points does a high-end PLC have?

• a) 8 input, 8 output

• b) 16 input, 16 output

• c) 32 input, 32 output

• d) 64 input, 64 output

4. What is the main function of the CPU in a PLC?

• a) To provide power to the PLC

• b) To store the program

• c) To execute the program and control the input and output devices

• d) To communicate with other PLCs

5. What is the function of the input/output (I/O) module in a PLC?

• a) To provide power to the PLC

• b) To store the program

• c) To interface with the input and output devices

• d) To communicate with other PLCs

6. What is the function of a PLC’s power supply?

• a) To provide power to the PLC’s CPU

• b) To provide power to the PLC’s input/output modules

• c) To provide power to the PLC’s communication interfaces

• d) All of the above

7. What are the main components of a PLC system?

• a) CPU, memory, and input/output modules

• b) Sensors, actuators, and control valves

• c) Motors, gears, and bearings

• d) Pneumatics, hydraulics, and electronics

8. What are the inputs and outputs in a PLC system?

• a) Sensors and actuators

• b) Motors and gears

• c) Valves and pumps

• d) Programs and data

9. How do a PLC process input and output signals?

• a) By using a central processing unit (CPU)

• b) By using a microcontroller

• c) By using a microprocessor

• d) By using a memory chip

10. How does a PLC handle multiple inputs and outputs?

• a) By using a single input/output (I/O) module

• b) By using multiple input/output (I/O) modules

• c) By using a single input module and multiple output modules

• d) By using multiple input modules and a single output module