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Carriage is connected with the main spring by using :

ALoose dog

B"Pinion wheel

CDraw band

DCarriage rack

Answer:

C. Draw band


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Which finger used for striking space bar?

Jerky movement of the carriage is due to

  1. Excess tension of main spring
  2. Damage of dogs in the dog block
  3. Damage of the tooth of escapement /pinion wheel
  4. Accumulation of dirt on the carriage rack

    Parts of Duplicator are :

    1. Silk cloth
    2. Backing sheet lever
    3. Wave roller
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