A driver complains that when his truck engine is under load, whenever he removes his foot from the accelerator pedal, engine rpm drops below specified idle speed and occasionally stalls. Which of the following terms is used to describe this condition?
A. wide open throttle
B. underrun
C. overrun
D. droop
Answer: B
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Answer the following statement(s) true (T) or false (F)
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Indicate whether the statement is true or false