A unity feedback system has a transfer function G(s) = K/(s+1) where K= 2 is subjected to unity step input. A PD-controller is added where Gc(s) = 500+0.5s. determine the steady state error before and after adding the controller respectively. Immersive Reader (3 Points)

0.50 and 0.002

0.33 and 0.001

0.25 and 0.0007

0.20 and 0.0005

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

How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?

Aseries piping system conveys methyl alcohol. the system consists of 70 m of 1- nominal pipe follow by 50 m of 2-nominal pipe, both schedule 40 commercial steel. the 1-nominal pipe contains 3 90° elbows (regular) anda fully open gate valve, all threaded. the pressure drop through the system is 150 kpa. determine the volume flow rate through the system that is horizontally laid.