Vehicles begin to arrive at a parking lot at 6: 00 a. m. at a rate 8 per minute. due to an
accident on the access highway, no vehicles arrive from 6: 20 to 6: 30 a. m. from 6: 30 a. m.
on, vehicles arrive at a rate of 2 per minute. the parking lot attendant processes incoming
vehicles (collects parking fees) at a rate of 4 per minute throughout the day. assuming
d/d/1 queuing, determine:

a. maximum queue
b. avg vehicle delay

Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.

Give heat transfer applications for the following, (i) gas turbines (propulsion) ) gas turbines (power generation). (iii) steam turbines. (iv) combined heat and power (chp). (v) automotive engines

The drive force for diffusion is 7 fick's first law can be used to solve the non-steady state diffusion. a)-true b)-false