Question

Impression roller in duplicator placed:

• A. Above the cylinder drum
• B. Below the cylinder drum
• C. Left side of the cylinder drum
• D. Right side of the cylinder drum

Answer 1

Answer:

B. Below the cylinder drum

• Duplicators are used for taking multiple copies of the stenciled matter
• First duplication machine was invented by James Watt ( in 1780 )
• Impression roller in duplicator placed below the cylinder drum