A.sliding the camshaft along its axis
B.rotating the cam 180
C.rotating the cam followers 180
D.moving the idler sprockets in the drive chain
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A.decrease only
B.increase only
C.decrease slightly then returned to original speed
D.increase slightly then returned to original speed
A.speed, torque, and horsepower production
B.firing order, valve timing, and valve lift
C.fuel consumption, efficiency, and cylinder pressure
D.scavenge pressure, compression ratio, and exhaust pressure
A.maintain low pH in the cooling water
B.reduce the cooling water temperature
C.increase cooling water hardness
D.form a protective film on metal surfaces
A.prolong the ignition delay period
B.ensure the beginning of fuel injection
C.thoroughly utilize the air charge
D.allow controlled fuel combustion
A.deliver proper fuel quantity to the injection nozzle
B.provide rapid fuel injection cutoff
C.control fuel quantity entering the pump body
D.control fuel pressure delivered to the combustion chamber
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