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Heart of the machine :

Akeyboard

BMain spring

CCarriage Keyboard Pinion wheel

DPinion wheel

Answer:

B. Main spring


Related Questions:

Which of the following Movement is not correct in the case of Ribbon Movement?

  1. Lengthwise Movement

  2. Step By Step Movement

  3. Up and Down Movement

  4. Automatic Reverse Movement

The scientific method of operating the typewriter is called :
PIN code stands for :
Which brush is used to clean the type bar face ?

Dog Block is connected to the

  1. Carriage lever

  2. Back spacer

  1. Non-character key

  2. Character keys