Air flows at 45m/s through a right angle pipe bend with a constant diameter of 2cm. what is the overall force required to keep the pipe bend in place? is it: a) 0.76 n b) 1.08 n c) 1.52 n d) 0.25 n e) 2.56 n

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise