As each valve opens and compresses its valve spring, another valve is closing, decreasing pressure as its spring re-extends. This is known as the ____ characteristic.
A)resonance
B)regenerative
C)oscillating
D)frequency

Question

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The Answer of As each valve opens and compresses its valve spring, another valve is closing, decreasing pressure as its spring re-extends. This is known as the ____ characteristic.
A)resonance
B)regenerative
C)oscillating
D)frequency

As Each Valve Opens and Compresses Its Valve Spring, Another