Calculate thermal efficiency and net work output for cycle
A steam power plant has steam leaving the boiler at 1 MPa and 300 degrees C. If the plant operated with a condenser pressure of 20kPa, calculate the thermal efficiency and the net work output for the cycle.
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Assume you are now 60 years of age and have accumulated $400,000 in a retirement account. Also assume you would like to retire when you are 65. What type of mutual funds would you choose to help you reach your investment goals? Why
The ballistic pendulum consists of a stationary 2.50 kg block of wood suspended by a wire of negligible mass. A 0.0100 kg bullet is fired into the block and the block swings a maximum height of 0.650 m above the initial position.
A rangefinder is used to measure the distance of a ridge from a lookout point. The average of 12 readings is 2215 ft., with standard deviation=45 feet. Assuming the model for measurement error presented in class, find a 90% confidence interval for
Mike's Game Preserve was stocked with 30% moose, 25% elk, and 45% deer. Five years later, a sample of animals yields 90 moose, 75 elk, and 170 deer. At the 5% level, did the distribution of animals in the preserve change?
If the plant operated with a condenser pressure of 20kPa, calculate the thermal efficiency and the net work output for the cycle.
Atmospheric pressure is around 1.010×105 Pa. Think about the air pushing on a flat, circular glass window which has a radius of 0.0830m. What is the force with which the air is pushing on one side of the glass?
As people get closer to retirement, their investment goals often change. Assume you are not 45 and have accumulated $110,000 in a retirement account. In this situation, what type of mutual funds would you choose? Why?
The average number of tadpoles per gallon of water in Rocky Mountain National Park is believed to be 13, and is normally distributed. You collect 10 one gallon samples and find the following numbers of tadpoles:
A two stage rocket of mass 751kg traveling at speed 709m/s separates into a first stage of mass 236kg moving at zero speed and a final stage moving at a new speed - find this new speed right after separation.
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Ensure it is 3-4 pages (750-1000 words) in which you identify a threat to U.S. national security. Explain how the DIMEFIL framework could be used to develop
- You will debate issues related to registration for selective service and the military draft. - Choose one of the following statements and make a 260-word
At the core of naval force design is a tension between buying existing technology now or using that money to research and build something new for the future.
An "evolutionary" approach to force design emphasizes incremental improvements and modifications to existing platforms.
This week, you should submit a draft bibliography for your biography project. You should have between 3 and 5 sources with at least one book.
1. What European Country Colonized the Country? 2. Who is the Current President or Leader? 3. What are the primary languages spoken in this Country?
Compose a journal entry (300-500 words) explaining the importance of the joint function of protection (J505) and the relationship of movement