MAT.SCIENCE+ENGIN.(PERUSALL ACCESS)
10th Edition
ISBN: 2818440149658
Author: Callister
Publisher: PERUSALL
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Chapter 10, Problem 10QAP
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Steam enters the high-pressure turbine of a steam power plant that operates on the ideal reheat Rankine cycle at 700 psia and 900°F and leaves as saturated vapor. Steam is then reheated to 800°F before it expands to a pressure of 1 psia. Heat is transferred to the steam in the boiler at a rate of 6 × 104 Btu/s. Steam is cooled in the condenser by the cooling water from a nearby river, which enters the condenser at 45°F. Use steam tables.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
Determine the pressure at which reheating takes place. Use steam tables.
Find:
The reheat pressure is psia. (P4)Find thermal efficiencyFind m dot
The transformer rating is 1200:2400 V @ 120 kVA. What is the apparent power provided by the source? What does this mean for the operation of the transformer? Draw the power triangle at the source and calculate the power factor. The magnitude of the voltage source is given in VRMS.
Chapter 10 Solutions
MAT.SCIENCE+ENGIN.(PERUSALL ACCESS)
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