PE practice questions and answers
A tube that is 10 feet long and 2 feet in diameter is placed in an air
stream. The flow of the air is at a speed of 15 ft/s and is
perpendicular to the long axis of the tube. If the coefficient of drag
is 1.3 and the density of air is 0.075 lbm/ft3 What is the drag on the cylinder?
(A) 150 lbf
(B) 200 lbf
(C) 320 lbf
(D) 220 lbf
The Principles and Practice of Engineering exam is the examination required for one to become a Professional Engineer (PE) in the United States. It is the second exam required, coming after the Fundamentals of Engineering exam.