P A 3 moles of a monatomic ideal gas is taken through a reverible Camot cycle as shown in the P-V diagram. The gas constant is R-8.31 J/mole K (a) is the graph represent a heat engine or a refrigerator? Briefly explain.

P A 3 moles of a monatomic ideal gas is taken through a reverible Camot cycle as shown in the P-V diagram. The gas constant is R-8.31 J/mole K (a) is the graph represent a heat engine or a refrigerator? Briefly explain.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Specific Instruction: i.Drawaschematic diagramof each problem with labels of states of a substance;ii.For uniformity purposes, assign STATE 1 at the inlet of ahigh-pressure turbine.The states must be arranged in a chronologicalorder;iii.Ploteach cycle in a t-s diagramwith the states consistentto the states assignment in the schematic diagram;iv.Show a detailed solution 1.Consider a 200-MW steam power plant that operates on a simple ideal Rankine cycle. Steam enters the turbine at 8MPa and 400 0C and is cooled in the condenser at a pressure of 10 kPa. Determine (a) the quality of the steam at the turbine exit, and (b)themass flow rate of the steam.
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Steam enters a turbine at 70 bar, 500C, and leaves at 2 bar as a saturated vapor. Calculate the isentropic efficiency of the turbine. Assume adiabatic process and negligible changes in kinetic energy and potential energy.
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Figure shows a simple vapor power plant operating at steady state with water as the working fluid. Data at key locations are given on the figure. The mass flow rate of the water circulating through the components is 109 kg/s. Stray heat transfer and kinetic and potential energy effects can be ignored. Determine: (a) the mass flow rate of the cooling water, in kg/s. (b) the thermal efficiency. (c) the rates of entropy production, each in kW/K, for the turbine, condenser, and pump. (d) Using the results of part (c), place the components in rank order, beginning with the component contributing most to inefficient operation of the overall system. verl