Exam 7: Engine Powertrain Components

When fuel is injected into a diesel engine cylinder, to which part of the piston are the atomized droplets targeted?

Which of the following correctly describes a Ferrotherm piston?

How is a ring gear fitted to a flywheel?

Which type of piston is closely associated with older Detroit Diesel engines?

Which of the following terms means the same as thing as a piston pin?

When main bearing shells are installed to an engine cylinder block, what should be used to lubricate the bearing face?

Which of the following is NOT a common surface treatment for aluminum, trunk type pistons?

Where did cracked rod technology originate?

Which of the following terms correctly describes a Mahle Monocomp piston?

Which of the following terms is used to describe a one-piece piston?

Which of the following piston cooling methods is used in most high horsepower, turbocharged diesel engines?

A diesel engine piston has two compression and one oil control ring. What would probably be the recommended ring stagger?

In a two piece, articulating piston assembly, what material is usually used for the skirt?

Where does a wrist pin fit to a piston?

When main bearing shells are installed to an engine cylinder block, what should be used to lubricate the backing plate?

What type of piston crown design is used on most current truck diesel engines?

Technician A says that current forged steel trunk pistons use a shorter wrist pin than comparable articulating piston assemblies. Technician B says that a disadvantage of forged steel trunk pistons such as Monotherm is much greater weight than comparable bore, aluminum trunk pistons. Who is correct?

What is the ring land and groove area of a piston known as?

If crankshaft endplay is higher than specified, which of the following should be used to correct the condition?

What is the primary advantage of a cracked connecting rod?