Which of the following are a pneumatic means of signal transmission? Options: A . &nbspCable B . &nbspIndicator C . &nbspAmplifier D . &nbspCurrent

Which of the following are a pneumatic means of signal transmission?

Question

Which of the following are a pneumatic means of signal transmission?

Options:

A . Cable

B . Indicator

C . Amplifier

D . Current

Answer: Option C
Answer: (c).Amplifier

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