The main difference between the internal combustion engine and the diesel engine is that the diesel engine

Question 3 options:

A)

has no connecting rods.

B)

doesn't have a crankshaft.

C)

has no ignition system.

D)

doesn't utilize pistons.

1 answer

The correct answer is:

C) has no ignition system.

Diesel engines do not use a traditional ignition system with spark plugs like gasoline engines. Instead, they rely on compression ignition, where the air is compressed to a high pressure and temperature, allowing the injected diesel fuel to ignite spontaneously.