In order to reverse the rotation of a two-stroke/cycle loop scavenged, direct reversing, propulsion diesel engine, the cam positions must be changed for the __________.

Correct Answer: Option B — starting air and fuel pumps

Reversing a direct-reversing loop-scavenged two-stroke diesel requires shifting the timing for starting air distribution and fuel injection to match the opposite direction of crankshaft rotation, while loop scavenging ports remain symmetrical.