Question

Cylindrical drum is the part of a

• A. Duplicator
• B. Typewriter
• C. Computer
• D. None of these

Answer 1

Answer:

A. Duplicator

Duplicators

• Duplicators are used for taking multiple copies of the stenciled matter
• First duplication machine was invented by James Watt ( in 1780 )
• Duplicator is otherwise known as Multicopier

Main parts of the duplicator

• Cylindrical drum
• Impression Roller
• Feeding tray
• Receiving Tray
• Operating lever
• Handle
• Backing sheet lever
• Margin Adjusting Knobe
• Side margin plate
• Wave Roller
• Printing screw
• Silk Carrier