Which statement is correct?

A) Short intake runners are good for high-RPM horsepower.
B) Long intake runners are good for low-RPM torque.
C) Some engines use a variable intake runner design to improve engine efficiency.
D) All of these are correct.


Ans: D) All of these are correct.

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The ____________________ motor is relatively small in physical size for a given horsepower rating when compared with other types of motors and, due to its rugged construction and reliable operation, this motor is widely used for many industrial applications.

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