sessia

What is the part of the PLC called where inputs and outputs are connected?

o 

• memory

• input/output interface

• processor

• power supply

Where does PLC stores its program?

• input device

• power supply

• programming device

• memory

Which of the following is a PLC input device?

• fan

• motor

• sensor

• light

Which of the following is NOT part of a basic PLC system?

• relay box

• power supply

• memory

• CPU

Which of the following is an output device?

• keypad

• distance sensor

• sound sensor

• motor

A PLC is a computer used for industrial automation.

• true

• false

• none

Which of the following is the application of PLC?

• wending machines

• automatic door

• cereal filling systems

• all of the above

Which of the following is an example of discrete (digital) control?

• Turning a lamp ON or OFF

• Varying the brightness of a lamp

• Varying the volume of a music system

• Controlling the speed of a fan

What are solenoids, lamps, and motors connected to?

• analog input

• analog output

• digital input

• digital output

Gear Box is used to decrease the speed and increase the torque.

• true

• false

• none