Exam 15: Introduction to the Engine

____________________ are machined surfaces that ride inside of cam bearings. On pushrod engines, cam bearings are pressed into bores in the block.

The part that will MOST-Likely be used to close the valve after it has been opened by the cam lobe is the:

The area of the block where the crankshaft and bearings are located is called the ____.

What is the purpose of counterweights on the crankshaft?

A fuel injection system supplies fuel to join with the air that flows through the ____________________ of the manifold.

The front of an engine has all of the following EXCEPT:

How would you determine the volume of each individual cylinder?

The space where the ends of the piston ring come together when the ring is installed in the cylinder is MOST-Likely referred to as a(n):

Which of the following parts is LEAST-Likely to be included in the valve train?

____________________ are mounted on top of the cylinder head. They take the up-and-down motion of the pushrod and transfer it to the valve.

The short block for a pushrod engine includes all of the following EXCEPT:

Provide definitions for the following terms: valve seats, valve port, valve margin, and valve stem.

While discussing pulleys, Technician A says that some engines use a vibration damper to minimize vibrations in the crankshaft that could cause it to crack or break. Technician B says that some engines do not use a damper. Instead they have a single-piece pulley with threaded holes to attach the drive belt pulley(s). Who is correct?

One mole of air weighs approximately ____________________ ounce(s).

When the air-fuel mixture is measured by volume, there are 100,000 gallons of air for each gallon of gasoline.

Intake and exhaust valves are made of the same materials.

Leakage past the piston rings is called ____.

The term combustion chamber refers to the chambers in the cylinder heads that are located just above the pistons.

Why are there half as many teeth on the crankshaft drive as there are on the camshaft drive?

Which of the following is LEAST-Likely to be included in the engine's four-stroke cycle?