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alexira [117]
3 years ago
6

Auto Technician A says during the power stage of engine operation, the piston is forced downward in the cylinder due to the comp

ression 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.

Advanced Placement (AP)
2 answers:
sasho [114]3 years ago
8 0

C. Only Technician B is correct.

Sedbober [7]3 years ago
3 0

Answer:

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

Explanation:

<u>Engine Operation:</u>

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.

<u>While, the four main stages for the engine to operate are as follow:</u>

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

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