In a Toyota Prius regenerative braking system, how many pressure sensors are used?
A) One B) Two C) Three D) Four
D
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Estimate the power requirement of the heater during this process. You may assume the specific heat of water is constant at 
Like the flow calorimeter of a particular single-cup coffee maker uses an electric heating element to heat a steady flow of water from 22°C to 88°C. It heats 8 fluid ounces of water (with a mass of 237 g) in 60 s.
Flow calorimeter
What will be an ideal response?
Two technicians are discussing master cylinders. Technician A says that it is normal to see fluid movement in the reservoir when the brake pedal is depressed. Technician B says a defective master cylinder can cause the brake pedal to slowly sink to the floor when depressed. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
What is the output voltage at the end of the input pulse from an RL integrator that uses a 2 H inductor, a 10 k? resistor and a 32 V, 0.4 ms input pulse?
A) 21.6 V B) 27.7 V C) 19.0 V D) 13.9 V
This problem concerns a compound for which the following data is available:
Critical Temperature = 1200 K Critical Pressure = 30 bar Enthalpy of Vaporization at atmospheric pressure = 5000 J/mol. Boiling point at one bar of pressure = 500 K Acentric factor = 0.6 Equation of state for gas/vaporphase: Z = 1 + bP2/T where b = 1 K/bar2 Approximate molar volume of liquid = 200 cm3/mol A) Use the Claussius-Clapeyron Equation to estimate the vapor pressure at T=550 K. B) Use the shortcut equation to estimate the vapor pressure at T=550 K. C) Indicate which of the two estimates generated in questions A and B is more reliable, and EXPLAIN WHY. D) Find a general expression for the fugacity for this compound in the vapor/gas phase, as a function of temperature and pressure. For full credit, the equation should be an algebraic equation (not a differential equation) and should contain only P, T, f and constants. E) Give your best estimates of the liquid phase fugacity and the vapor phase fugacity for this compound, each at T=550 K and P=20 bar.