In pneumatic control system the medium is

(a) Air

(b) Liquid

(c) Oil

(d) Hydrogen

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In pneumatic control system the medium is (a) Air (b) Liquid (c) Oil (d) Hydrogen..

Answer / chief

( a ) Air

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In pneumatic control system the medium is (a) Air (b) Liquid (c) Oil (d) Hydrogen..

Answer / sslal

air

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