Exam 16: Engine Classifications and Types

What are the disadvantages of diesel engines?

Which of the following statements is LEAST-Likely to be true?

____________________ is the comparison between the volume of the cylinder and combustion chamber when the piston is at TDC and BDC.

While having a discussion about valves, Technician A says that higher compression is possible with the L-head. Technician B says that higher compression is achieved with the I-head because, unlike the L-head, the combustion chamber does not need extra volume to accommodate the valves. Who is correct?

The cam-in-block engine is called an overhead cam engine, and the cam-in-head design is called a pushrod engine.

Air-cooled engines are found on lawnmowers, motorcycles, and some older automobiles.

An in-line engine has all of its cylinders aligned in one row.

The engine that is MOST-Likely to have two separate cam lobes to operate its intake and exhaust valves in each cylinder is:

The combination of two dissimilar metals promotes ____, or the creation of an electrical current.

The cylinder that is MOST-Likely to be cast with left and right cylinder banks at a 90-degree angle to each other is:

List the three most common combustion chamber designs and describe their shapes.

Which is LEAST-Likely part of a rotary engine?

A(n) ____________________ controls the flow of coolant between the engine and radiator to maintain coolant temperature at a specified level.

Automotive rotary engines have four rotors that rotate inside of a chamber that looks like a modified figure eight.

Technician A says that some multivalve heads use control valves that cause only one intake valve to open at low rpm and another to open at higher rpm. Technician B says that other multivalve heads use two intake manifold runners per cylinder. Who is correct?

What are the advantages and disadvantages of the L-head engine?

What are the advantages of V-type cylinders?

What is the downside of electrolysis and how can it be prevented?

All of the following statements are true EXCEPT:

A head is called a(n) ____________________ when the intake and exhaust manifolds are on opposite sides on an in-line engine.