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1. Show that the product of the compressor and turbine isentropic efficiencies must be greater than (TL/TH) 1/2 if a Brayton cycle gas turbine unit is to operate at its maximum power output.
2. A test on an open loop Brayton cycle gas turbine produced the following results:
a. The cycle thermal efficiency.
b. The isentropic efficiency of the turbine.
A chamber with a fixed volume of 1.0 m 3 contains a monatomic gas at 3.00*10 2 K. The chamber is heated to a temperature of 6.00*10 2 K. This operation requires 20.0 J of heat. (Suppose all the energy is transferred to the gas.) How many gas m..
A Boeing 777 airplane flying New York to San Francisco (3000 miles) consumes 11,000 gallons of jet fuel. If the plane is full with 300 passengers, then how much energy (in Btu and kWh units) is used for this trip, per passenger? (Assume energy con..
Starting from the front door of your ranch house, you walk 50.0m due east to your windmill, For the entire trip from your front door to the bench, what is your average velocity
why is walking on soft sand so tiring? what is the basic physics behind walking on sand compared with walking on
An alpha particle is a nucleus of Helium. It has twice the charge and four times the mass of the proton (mp = 1.67 x 10-27 kg, c = 1.60 x 10-19 C). What is their distance of closest approach
What is the largest wavelength that will give constructive interference at an observation point 171 from one source and 295 from the other source.
A capacitor consists of two metallic plates of rectangular form with the sides a and b, and they are placed at the distance d from each other. What is the charge Q on the capacitor
A fire truck has a siren with that generates a sound with a frequency of 8562 Hz. what frequency will you observe
A spring oscillator is designed with a mass of 0.153 kg. It operates while immersed in a damping fluid, Find the required damping constant for the system
an infinite nonconducting sheet has a surface charge density s 5.40 pcm2.a how much work is done by the electric field
Another way of looking at the fact that all objects have wave-like properties is diffraction. At what speed should the student be moving in order to have signficant diffraction as she enters the door
A long cylindrical copper wire of radius 0.20 cm is surrounded by a cylindrical sheath of rubber of inner radius 0.20 cm and outer radius 0.30 cm. What will be the electric field just outside the rubber sheath
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