Exam 9: Automotive Engine Designs and Diagnosis

Name four things that could cause unequal cylinder power balance.

How many degrees of crankshaft rotation does it take to complete one complete engine cycle in a 4-stroke engine?

Describe an inline engine.

A crankshaft changes ____________________ motion to ____________________ motion.

Technician A says engine displacement is commonly measured in cubic millimeters. Technician B says it is commonly measured in cubic inches. Who is correct?

A(n) ____________________ vehicle is one that uses an electric motor and a gasoline engine to move the vehicle.

____________________ plugs are used to warm the combustion chamber of a cold diesel engine.

Some diesel engines operate on the two-stroke cycle principle.

What component of the engine determines the stroke?

Front engine, longitudinal layout is being discussed. Technician A says this layout is used in rear-wheel drive vehicles. Technician B says this layout is used in some front-wheel drive vehicles. Who is correct?

The reciprocating movement of the piston is converted into rotary motion by the _____.

What is detonation?

The volume of the combustion chamber when the piston is at BDC divided by the volume of the chamber when the piston is at TDC is called _____.

Describe the difference between torque and horsepower.

Which of the following engine problems may be indicated by good results from a compression test and a cylinder leakage test but poor results from a cylinder power balance test?

On a 4-cylinder engine that has a firing order of 1342, if number 1 cylinder is on the exhaust stroke, what stroke is number 3 cylinder on?

The ____________________ controls the movement of the valves.

Describe rod bearing noise.

What is compression ratio?

____________________ lobes open and close the engine valves.