Auto technician a says during the power stage of engine operation, the piston is forced downward in the cylinder due to the compression of the burning air-and-fuel mixture. auto technician b says the power stage of engine operation is directly followed by the intake stage. which one of the following statements is correct?

a. both technician a and technician b are correct.
b. neither technician a nor technician b is correct.
c. only technician b is correct.
d. only technician a is correct.

Option-(B): Neither Technician A nor Technician B is correct, As the whole process does not follow the Otto cycle.

Explanation:

Engine Operation:

The engine operation occurs in four main stages, as its function of any four-stroke engine requires the crankshaft to rotate twice in the machine covering about 720° degree of rotation while on its position.

While, the four main stages for the engine to operate are as follow:

Intake:The fuel is injected inside the piston.Compression:As during the compression the volume is decreased and as more energy is released due to this phase of the engine. Power: During the power stage the expansion of the gases which are compressed before are expanded, providing a power stroke to the engine. Exhaust: The phase during the engine cycle in which the air is exhausted out from the combustion chamber of the engine.

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