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At the beginning of an effective red, vehicles are arriving at an approach at the rate of 500 veh/h and 16 vehicles are left in the queue from the previous cycle (at the end of the previous cycle's effective green). However, due to the end of a major sporting event, the arrival rate is continuously increasing at a constant rate of 200 veh/h/min (after 1 minute the arrival rate will be 700 veh/h, after 2 minutes 900 veh/h, etc.).
The saturation flow rate of the approach is 1800 veh/h, the cycle length is 60 seconds, and the effective green time is 40 seconds. Determine the total vehicle delay until complete queue clearance. (Assume D/D/1 queuing.)
Consider a two-stage cascade refrigeration cycle and a two-stage compression refrigeration cycle with a flash chamber. Both cycles operate between the same pressure limits and use the same refrigerant. Which system would you favor? Why?
A large storage tank contains liquefied natural gas (LNG), which may be assumed to be pure methane. The tank contains saturated liquid at ambient pressure, 100 kPa; it is to be pumped to 500 kPa and fed to a pipeline at the rate of 0.5 kg/s.
It operates at a bias current of 0.1 mA between a source with Rsig =rπ and a load RL =βro. Let CL =Ccs =0, and rx =0. Find the overall voltage gain at dc. By evaluating the various components of τH show that the pole introduced at the output mode ..
a. Find the characteristic polynomial, a(z), for this system. b. Find the input polynomial, b(z) for this system.
What is an open collector input why is it used on some sensors. List three types of vibration sensors and discuss how they operate. What effect will temperature change have on a strain gauge mounted to steel and describe the multiple ways this can b..
The coefficient of permeability is 410 gpd/ft2 and the radius of influence of the well at that discharge is 3500 ft. Determine and plot the drawdown curve for the well.
Follow the paradigm technology backwards to discover at least 5 earlier precursor technologies (levels). Find those that have had a major influence on the paradigm tech (not just versions of the same technology).
Divide up the 80 seconds available for the cycle through the 16 combinations into 16 intervals and determine which lamps should be lit in each interval based on expected driver behavior. Assume that, for interval 0000, a change has just occurred a..
(a) Use Parseval's theorem for the DFT to derive a relationship between ∑ | Xc1[k] |2 and ∑ |x[n]|2.
A closed container is partially filled with water. Initially, the air above the water is at atmospheric pressure (1.01 x 1(1' Pa) and the gauge pressure at the bottom of the water is 2500 Pa. Then additional air is pumped in, increasing the press..
For the comparator below, complete the design so that the threshold voltage is 1.25V which means that if the input is below 1.25V, the output will be HIGH and if its greater, it will be low.
Develop an algorithm to study the percolation probability of overlapping circular disks in a unit square domain.
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