Oil flows through a 16 tube single cooler with a velocity of 2 m/s. The internal diameter of the tube is 30 mm and oil density is 0.85 g /ml. Find the volume flow in liters per sec

An internal gear is set up with a 5-in diameter pinion and center distance of 18 inches. Find the diameter of the internal gear.

What is the frictional HP acting on a collar loaded with 100 kg weight? The collar has an outside diameter of 100 mm and an internal diameter of 40mm. The collar rotates at 1000 rpm and the coefficient of friction between the collar and the pivot surface is 0.15.

A drop hammer of 1 ton dead weight capacity is propelled downward by a 12 in diameter cylinder. At 100 psi air pressure what is the impact velocity if the stroke is 28 inches?