Engine Repair Mechanic Test Questions With Correct Answers Updated & Passed

Engine Repair Mechanic Test Questions With Correct Answers Updated & Passed The technician says that on a pressure-fed oil system, oil is fed to the different bearings by way of: - ANSWER : oil galleries When performing vacuum testing, Technician A says the vacuum reading at idle will be higher on an engine with a high-performance camshaft than a normal engine. Technician B says that the gauge readings for a normal engine will be higher at high altitudes than at sea level. Who is correct? - ANSWER : Neither Technician A nor Technician B Too much oil in the engine: - ANSWER : can cause engine oil foaming. Technician A says that a dry sump system uses no oil storage sump under the engine. Technician B says that a wet sump system uses no oil storage sump under the engine. Who is correct? - ANSWER : Technician A The percentage at which a cylinder is filled with air when it is running is known as: - ANSWER : volumetric efficiency Technician A says that detergents keep oil from forming wax deposits under cold temperatures. Technician B says that dispersants reduce carbon deposits on parts such as piston rings and valves. Who is correct? - ANSWER : Both Technician A and Technician B