Optical Encoders Quiz

Into how many categories are optical encoders grouped?

• 1

• 2

• 3

• 4

Which of the following is a category of optical encoders?

• Incremental Encoders

• Digital Encoders

• Analog Encoders

• Thermal Encoders

What is used to pass a beam of light through the slots in an incremental encoder?

• Laser

• LED

• Flashlight

• Infrared light

What does the angular position of the disc determine in an incremental encoder?

• Speed of light

• Direction of rotation

• Angular position of the shaft

• Temperature

What is the purpose of the innermost track on the disc in an incremental encoder?

• To determine the speed of rotation

• To provide the home or datum position

• To measure temperature

• To control the light intensity

How are the holes on the next two tracks of the incremental encoder disc arranged?

• Randomly placed

• Equally spaced around the disc

• Grouped in pairs

• Arranged in a spiral

What is the offset between the middle track and the outer track on the incremental encoder disc?

• One hole width

• Half a hole width

• Two hole widths

• No offset

What determines the resolution of an incremental encoder?

• The size of the disc

• The number of slots in the disc

• The speed of rotation

• The material of the disc

In which application is an incremental encoder used for motor shaft feedback?

• Robotics

• Spooling

• Printers and plotters

• Applications where motor shaft feedback is needed

What is the primary function of an incremental encoder in robotics?

• To control temperature

• To monitor rotation

• To measure weight

• To control light intensity