Determine the thermal efficiency of the plant
A steam plant uses 3.045 tonne of coal/h. The steam is fed to a turbine the output of which is 4.1 MW. The calorific value of the coal is 28 MJ/kg. Determine the thermal efficiency of the plant.
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List the steps you would follow to determine the reliability of the exam. About 100 students will take this exam. The exam will take 90 minutes, which is the full length of the exam period. There will be no time for additional testing or re-test
Explain the difference between the profits obtained from the traditional system and the ABC system. Which system provides a better estimate of profitability? Why? (three points).
A 2kg mass is attached to a spring and you measure that the period of its oscillation is 2.36 seconds. What would you expect the period of oscillation to be if you doubled the mass attached to it?
Jackson Company adopted Dollar Value LIFO on January1,2011 for its one inventory pool. The inventory's value on this date was $500,000. The 2011, 2012 and 2013 ending inventory valued at year-end costs were $556,500, $596,200, and $604,900 resp
The steam is fed to a turbine the output of which is 4.1 MW. The calorific value of the coal is 28 MJ/kg. Determine the thermal efficiency of the plant.
A child pulls a 3.00-kg sled across level ground at constant velocity with a light rope that makes an angle 34.0° above horizontal. The tension in the rope is 5.00 N. Assuming the acceleration of gravity is 9.81 m/s2, what is the coefficient o
SCENARIO: Phyllis maintained an IRA account at the brokerage firm ABC. On February 11 of the current year, she requested a check for the balance of her account.
A diesel engine uses 54.4 kg of fuel oil/h of calorific value 45 MJ/kg. The thermal efficiency of the engine is 25%. Determine the power output of the engine in kilowatts.
A 50.0-kg block is being pulled up a 13.0° slope by a force of 250 N which is parallel to the slope. The coefficient of kinetic friction between the block and the slope is 0.200. What is the acceleration of the block?
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