Answered: 1.Determine the overall efficiency of…

Engineering

Mechanical Engineering

1.Determine the overall efficiency of the power station (%)

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter1: Heat, Temperature, And Pressure

Section: Chapter Questions

Problem 17RQ: Convert 22C to Fahrenheit.

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Question

2.1 A hydro-electric power station has a reservoir area of 2.7km² and a capacity of 4.6 x 106m³
. The effective head of water is 100 metres. The penstock, turbine and generation
efficiencies are 95%, 90%, and 85%, respectively.

Instructions ;round off to 2 decimal places

1.Determine the overall efficiency of the power station (%). & Determine the total electrical energy that can be generated from the power station
(kWh).

2. Determine the depth of the reservoir (metres)

3. Determine the fall in reservoir volume level is the load of 100 kW is supplied for 5 hours (%).

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