6.4 Consider the freeway and traffic conditions
described in Problem 6.3. If 180 of the 1800 vehicles
observed in the peak hour were large trucks and
buses, what would the level of service of this freeway
be on a 5-mi, 6% downgrade?

Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.

The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?

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