Driver Engineering MCQs Police Department Sindh Police Department STS SIBA Past Papers

What is function of Airbag?

  • To reduce injury
  • To save life
  • To save vehicle
  • To protect from accident
  • a
  • In case of front end crash, the Airbags protect the head, neck and chest from slamming into the dash board / steering etc.
    There are four Airbags commonly used in cars which are Side Airbags, Front Airbags, Knee Airbags and Inflatable Seat Belts.

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Driver Engineering MCQs Police Department Sindh Police Department STS SIBA Past Papers

How many valves available on single piston?

  • 2
  • 4
  • Both A & B
  • 5
  • c
  • A single piston in an engine works with a cylinder.
    The number of valves depend on the design and configuration of engine.
    Some engines have two valves (one for intake and one for exhaust) and some have four valves (two for intake and two for exhaust).
    Intake Valves allow the fuel and air mixture in the cylinder.
    Exhaust valves exit the gases from cylinder after combustion.

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