Exam Lesson Name:
Energy Conversions

Exam Number:
700697RR

Exam Guidelines:

Exam Instructions:

Question 1 of 20:

Select the best answer for the question.

1. Which stage of internal-combustion engine operation does work by turning a crankshaft?

A. Intake

B. Exhaust

C. Power

D. Compression



Answer :

Final answer:

The correct stage in an internal-combustion engine that works by turning a crankshaft is the Power stage.


Explanation:

The best answer for the question is:

  • The correct stage of internal-combustion engine operation that works by turning a crankshaft is Power.

Example: In the power stroke of an internal combustion engine, the ignited air-fuel mixture exerts force on the piston, causing it to move and turn the crankshaft.


Learn more about Internal-combustion engines here:

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