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CSS Solved Papers
Physics Chemistry

Engineering :: Automobile Engineering

  The pressure of air for braking in case of heavy duty trucks in usually of the order of
[A]. 1 to 2 atm[B]. 2 to 3 atm
[C]. 4 to 7 atm[D]. 14 to 17 atm
[E]. Depends upon the road conditions    

Answer: Option C
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