Diesel Final Exam| Questions With 100% Correct Answers | Verified

Which of the following procedures would be used to inspect a CAC for an external restriction? - Compare outside air temperature with intake manifold air temperature Tech A says that when using plastigauge, plastigauge that becomes wider indicates a smaller oil clearance between a crankshaft and main bearing. Tech B says that the plastigauge will become narrower when bearing oil clearances are smaller. Who is correct? - Tech A1 If an upper radiator hose collapses after an engine cools, what is the most likely cause? - Overconcentrated anti-freeze-to-water solution. Technician A says that a restricted fuel filter will produce a low power complaint under load but will not cause the engine to stall at idle Technician B says hot fuel can cause a low power complaint under load but will not cause the engine to stall at idle - Both Technician A and Technician B tech A says that cylinder misfires can be detected on a common rail engine by slightly cracking open the fuel line to each injector when the engine is running tech B says that it is important to place a shop towel over the injector when checking for misfires to prevent pressurized fuel from penetrating the skin who is correct? - Neither the presence of cavitation on a wet cylinder liner is most likely caused by - B: low cylinder pressures Technician A says tracking oil consumption for a few weeks for a truck with a complaint of high oil consumption is the best place to start diagnosing the problem Technician B says pulling down the main bearing caps to inspect for worn bearings is the best place to start diagnosing the problem - Tech A 2 Series turbocharging uses two turbochargers. The low pressure turbocharger provides maximum boost at which of the following operating conditions. - High speed, high load operation. under which of the following conditions is the most engine slobber produced - Idle conditions