For the standard negative feedback loop P(s)=1/(s+1), C(s)=K(s+1)/s, F(s)=1 unity feedback, we would like to tune the PI controller gain K for a crossover frequency of 2 rad/s. What would be the value of K?

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

Shafts are machine elements that are used to a) carry axial loads b) direct shear loads c) transmit power d) rotate at constant speed e) none of the above circular and square shafts subjected to the same torque under the same circum behave a) the same way b) almost the same way