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Vehicles arrive at a toll booth according to the function λ(t) = 5.2 - 0.20t, where λ(t) is in vehicles per minute and t is in minutes. The toll booth operator processes one vehicle every 20 seconds.
Determine total delay, maximum queue length, and the time that the 20th vehicle to arrive waits from its arrival to its departure.
What dead times are encountered in a heat exchange process and what process and equipment gains affect the operation of a heat exchanger.
Have you ever thought what it would be like to be without today's current technology? What technology would you miss the most? What would you do to replace it if "new tech" was not an option?
A plumber applies a 220-N force to the handle of a wrench as she removes a coupling from the end of a pipe. Knowing that the wrench and the force lie in a vertical plane parallel to the yz plane, replace the force with an equivalent force-couple s..
Draw the per-unit equivalent circuit. Neglect the exciting admittance and assume American standard phase shift.
Assume that 1A of current enters terminal a and exits through terminal b. Then, the voltage between terminals a and b is equal to the unknown resistance. By symmetry considerations, we can find the current in each resistor. Then, using KVL, we can..
Design the one-shot circuit of Fig. 16.29 to provide an output pulse of 10-ns width. If the inverters available have tP = 2.5 ns delay, how many inverters do you need for the delay circuit?
Carry out a detailed comparison between mechanical, fluid and electrical methods of power generation for a typical aircraft usage
A car uses 25 hp to drive at a horizontal level at constant 100 km/h. What is the traction force between the tires and the road?
Find the value of K, its uncertainty (with 95% confidence), and the maximum possible error - Find the rotarional speed in rpm and its uncertainty. All measured values have a confidence level of 95%.
A boat is pulling a parasail and rider at a constant speed. Knowing that the rider weighs 550 N and that the resultant force R exerted by the parasail on the towing yoke A forms an angle of 65° with the horizontal, determine
Carbon dioxide enters an adiabatic nozzle at 1200 K with a velocity of 50 m/s and leaves at 400 K. Assuming constant specific heats at room temperature, determine the Mach number (a) at the inlet and (b) at the exit of the nozzle.
Find the economic life, with interest rate 12%, of an asset. Initial cost is $5,500. Operation cost is $1,200 per year. Salvage value decreases 15% of new value per year.
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