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While taking copies in the duplicator_ must be kept in ON position.

ASilk carrier

Blever

CImpression roller

DReceiving plate

Answer:

B. lever

Read Explanation:

  • 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
  • While taking copies in the duplicator lever must be kept in ON position.

Related Questions:

If any part of the matter is not needed in stencil ,-------can be used

What is the line space used while typing "Commercial Work" ?

  1. Triple
  2. 1.5
  3. Double
  4. Single

Like any other machine, a typewriter also should be properly cleaned, oiled and maintained. Choose the correct reason from the following.

  1. Machine works smoothly
  2. It prolongs the life of machine
  3. We can type with easily with less strain
  4. It ensures high class performance
    The first commercially successful typewriter was invented by :
    Carriage rack travels on ..... wheel