95. The lube oil system shown in the illustration, is designed to lubricate the main bearings by what principle

Spray lubrication with dry sumps is correct; the illustration depicts pressurized oil jets directed at the bearings and a scavenging system that removes oil, preventing a standing oil bath. The presence of an oil jet and scavenge oil/cavity drain confirms this system avoids oil immersion and relies on direct, pressurized lubrication.