An 8-Cylinder Engine Has 1,500 Power Strokes Per Minute, a Bore

Multiple Choice

An 8-cylinder engine has 1,500 power strokes per minute, a bore of 3.555 inches, a stroke of 3 5/16 inches, and average pressure of 100 pounds per square inch. Find, to the nearest tenth, the horsepower of the engine.

A) 12.1
B) 12.3
C) 12.5
D) 12.7