What is the efficiency of the turbine-generator

Assignment Help Mechanical Engineering

Reference no: EM13212157

A small hydroelectric power plant produces electrical power at a rate of 30 kW. The plant utilizes a stream of water that drops 40 m from a lake to the turbine and flows at a rate of 100 kg/s. What is the efficiency of the turbine-generator?

Reference no: EM13212157

Questions Cloud

Calculate temperature at the start of combustion : engine B is supercharged with after cooling and has cylinder inlet condition of 80c and 130 k pa to avoid knock problem it is desirable to have the air-fuel temperature at the start of combustion in engine B to be the same as in engine A calculate..

What price should john set for a carwash : If John were to lower his price by $1, he would sell more carwashes, and still be able to charge a price above his marginal cost. Explain intuitively why it would not be profit-maximizing to do so. What price should John set for a carwash.

Determine the ration of the time taken of cutting : in a crank or slotted lever quick mechanism the distance between the fixed centre is 150 mm and driving crank is 75 mm. determine the ration of the time taken of cutting & return strake .

What is the expected annual cost savings in dollars : A 50 hp motor with an efficiency of 0.80 is to be replaced by a newer model motor with an efficiency of 0.90. The motor is expected to operate 3000 hours per year. The cost of electricity in our area is $0.06 per kWhr.

What is the efficiency of the turbine-generator : A small hydroelectric power plant produces electrical power at a rate of 30 kW. The plant utilizes a stream of water that drops 40 m from a lake to the turbine and flows at a rate of 100 kg/s. What is the efficiency of the turbine-generator?

What is the mass of the lead weight : What is the mass of the lead weight, if 100 J of heat is lost from the water after the weight falls a distance of 3 m.

What is the change of energy stored in the battery : A 12 Volt battery is charged by supplying 3 Amps over a period of 6 hours. What is the change of energy stored in the battery if the battery loses 400kJ of heat during charging.

Explain what is the heat of vaporization of the substance : A liquid substance has a vapor pressure of 450.0 mmHg at 262.0 degrees celsius and 760.0 mmHg at 325.0 celsius. a) what is the heat of vaporization of this substance? b) what is its normal boiling point?

Calculate marginal rate of technical substitution of labor : a. Graph the short run total product curves for each production function for 0 L 25 in the case where K is fixed at 4. b. Graph the marginal product of labor curves for each production function for 1 L 25. c. Do these production functions exh..

User Account

All Pages