A 6-cylinder engine with a piston displacement of 354.5 cubic inches has a 3 9/16-inch stroke. Find the piston diameter of the engine to the nearest hundredth inch.

Question

Quizplus · Accepted Answer

The piston displacement is the volume swept by all the pistons in one revolution. The volume of a cylinder is given by the formula V = πr²h, where r is the radius of the cylinder and h is the height of the cylinder. In this case, the piston displacement is 354.5 cubic inches, the stroke is 3 9/16 inches, and the number of cylinders is 6. So, the volume of one cylinder is 354.5 / 6 = 59.08 cubic inches. The height of the cylinder is the stroke, which is 3 9/16 inches. So, the radius of the cylinder is:r = √(V / πh) = √(59.08 / π * 3.5625) = 2.285 inchesThe diameter of the cylinder is twice the radius, so the piston diameter is:d = 2r = 2 * 2.285 = 4.57 inchesThe nearest hundredth inch is 4.60 inches, so the answer is C.

A 6-Cylinder Engine with a Piston Displacement of 354