What is it called when the engine is turned by hand?

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Prepare for the Engineman EN A School Test 1. Utilize flashcards and multiple choice questions with detailed explanations to boost confidence and readiness for the test.

Multiple Choice

What is it called when the engine is turned by hand?

Explanation:
Turning the engine by hand is called cranking the engine. This means you use a hand crank to rotate the crankshaft directly, creating the initial rotation needed to overcome compression and start the engine. The term comes from the crank mechanism that converts the pistons’ reciprocating motion into rotation, so physically turning the crankhandle is literally cranking the engine. Other phrases like “bar over,” “fly by,” or “hand spin” aren’t standard terms used to describe this manual starting action.

Turning the engine by hand is called cranking the engine. This means you use a hand crank to rotate the crankshaft directly, creating the initial rotation needed to overcome compression and start the engine. The term comes from the crank mechanism that converts the pistons’ reciprocating motion into rotation, so physically turning the crankhandle is literally cranking the engine. Other phrases like “bar over,” “fly by,” or “hand spin” aren’t standard terms used to describe this manual starting action.

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