What companies install wind turbines?

What companies install wind turbines?
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1 Answer

Answer :

It depends on where you live, so it is hard to answer that. If you are in the Pennsylvania/Delaware/Maryland area you can take a look at http://www.dnrec.delaware.gov/energy/services/GreenEnergy/Pages/WindInstallers.aspx. If not, you should consider installing it yourself.
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Related questions

What happens to the excess energy wind turbines generate?

Description : What happens to the excess energy wind turbines generate?

Last Answer : No, it cannot be stored. When the demand for wind energy tapers off, wind turbines are idled/turned off. The blades, like on a propeller driven aircraft, are turned sideways in the wind so that they ... was 200' tall with blades that were 150' long. The turbine rotated at a maximum of 17½ RPM.

Do you support energy generation via wind turbines?

Description : Do you support energy generation via wind turbines?

Last Answer : answer:Yes, we had a question about this like a week ago. And Again my answer is: My house is running completely on wind power. (Awesome video, though)

How do you make wind turbines safe for flying creatures?

Description : How do you make wind turbines safe for flying creatures?

Last Answer : big-ass scarecrows?

Why does Francis fix and maintain wind turbines. Francis works with?

Description : Why does Francis fix and maintain wind turbines. Francis works with?

Last Answer : Feel Free to Answer

What is a problem with using wind turbines to produce energy ?

Description : What is a problem with using wind turbines to produce energy ?

Last Answer : The two major disadvantages of wind power include initial cost and technology immaturity.

Wind turbines uses

Description : Wind turbines uses

Last Answer : Ans. Kinetic energy

The largest installation of wind turbines is near

Description : The largest installation of wind turbines is near

Last Answer : Kanya Kumari in Tamil Nadu.

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Description : Wind turbines convert _________ energy into mechanica

Last Answer : Kinetic

77. type of generator are made use in wind turbines. a) Recreational generators b) Synchronous generator c) Asynchronous generator d) Alternator

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1. In the context of Indian wild life, what is the flying fox? 2. Who appoints the Chairman of the UPSC ? 3. Why is In a hydel station the motion produced in turbines? 4. Moon shaped sand-dunes, formed by which wind action? 5. During the decline of the Mughal empire By whom were the Jats were organised into a political force?

Description : 1. In the context of Indian wild life, what is the flying fox? 2. Who appoints the Chairman of the UPSC ? 3. Why is In a hydel station the motion produced in turbines? 4. Moon shaped sand ... ? 20. Who was elected as the President of All-India Khilafat Conference when it met at Delhi in 1919?

Last Answer : Answer : 1 1. Bat 2. President 3. Due to the flow of water 4. Barkhans 5. Badan Singh 6. Wasp 7. Anemometer 8. Echinodermata 9. Amazon 10. 1761 11. Preamble 12. KEVLAR 13. Industrialisation 14. Lake Superior 15. Lord Cornwallis 16. Music 17. Vectors 18. England 19. Arabian Sea 20. Mahatma Gandhi

List the types of wind turbines and explain HAWT.

Description : List the types of wind turbines and explain HAWT.

Last Answer : Types of Wind Turbines On the basis of axis of rotation of the blades, it is divided into two parts. 1. Horizontal axis wind turbine (HAWT) 2. Vertical axis wind turbine (VAWT) Horizontal Axis ... . They are further divided into two types (i) Upwind turbine (ii) Downwind turbine

State the types of wind turbines.

Description : State the types of wind turbines. 

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How do you properly install a wind power generator and how much does it typically cost?

Description : How do you properly install a wind power generator and how much does it typically cost?

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Description : What is speed ratio of turbines?

Last Answer : What is the answer ?

Why turbines are placed on the roof of some homes in the tropics?

Description : Why turbines are placed on the roof of some homes in the tropics?

Last Answer : Need answer

What makes electricity by letting falling water turn turbines and generators?

Description : What makes electricity by letting falling water turn turbines and generators?

Last Answer : Need answer

Are turbines 100 percent efficient?

Description : Are turbines 100 percent efficient?

Last Answer : Basically, almost NO physical process is 100% efficient.

Supercharging is essential in A. aircraft engines B. petrol engines C. gas turbines D. diesel engines

Description : Supercharging is essential in A. aircraft engines B. petrol engines C. gas turbines D. diesel engines

Last Answer : ANSWER : A

In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to – (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : (1) flow of water Explanation: A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work. Hydroelectric power comes from water at work, water in motion. To generate electricity, water must be in motion. This is kinetic (moving) energy.

What is the effect of inter cooling in gas turbines ?

Description : What is the effect of inter cooling in gas turbines ?

Last Answer : It decreases thermal efficiency but increases net output.

Why axial flow compressor is preferred for gas turbines for aeroplanes ?

Description : Why axial flow compressor is preferred for gas turbines for aeroplanes ?

Last Answer : Because it has low frontal area.

Why efficiency of gas turbines is lower compared to I.C. engines ?

Description : Why efficiency of gas turbines is lower compared to I.C. engines ?

Last Answer : In gas turbines, 70% of the output of gas turbine is consumed by compressor. I.C. engines have much lower auxiliary consumption. Further combustion temperature of I.C. engines is much higher compared to gas turbine.

Maximum combustion temperature in gas turbines is of the order of 1100 to 10°C whereas same is around 00°C in I.C. engine ? Why ?

Description : Maximum combustion temperature in gas turbines is of the order of 1100 to 10°C whereas same is around 00°C in I.C. engine ? Why ?

Last Answer : High temperature in I.C. engine can be tolerated because it lasts for a fraction of second but gas turbines have to face it continuously which metals can’t withstand.

Why do cylindrical Alternators operate with steam turbines?

Description : Why do cylindrical Alternators operate with steam turbines?

Last Answer : A: Steam turbines are found to operate at fairly good efficiency only at high speeds. The high speed operation of rotors tends to increase mechanical losses and so the rotors should have a ... axial length are used for Synchronous generators driven by steam turbines with either 2 or 4 poles.

Why is In a hydel station the motion produced in turbines?

Description : Why is In a hydel station the motion produced in turbines?

Last Answer : Due to the flow of water

In steam and gas turbines, rolling contact bearings are used. a) True b) False

Description : In steam and gas turbines, rolling contact bearings are used. a) True b) False

Last Answer : b) False

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Description : Water is useful for (A) Running hydroelectric turbines (B) Floating the boats and ships (C) Providing steam for running locomotives (D) All the above

Last Answer : Answer: Option D

The purpose of a surge tank is (A) To control the pressure variations due to rapid changes in the pipe line flow (B) To eliminate water hammer possibilities (C) To regulate flow of water to turbines by providing necessary retarding head of water (D) All of the above

Description : The purpose of a surge tank is (A) To control the pressure variations due to rapid changes in the pipe line flow (B) To eliminate water hammer possibilities (C) To regulate flow of water to turbines by providing necessary retarding head of water (D) All of the above

Last Answer : Answer: Option D

What Are Topping And Superposed Turbines?

Description : What Are Topping And Superposed Turbines?

Last Answer : Topping and superposed turbines arc highpressure, noncondensing units that can be added to an older, moderatepressure plant. Topping turbines receive highpressure steam from new highpressure boilers. The exhaust steam ... the same pressure as the old boilers and is used to supply the old turbines.

What Are The Two Basic Types Of Steam Turbines?

Description : What Are The Two Basic Types Of Steam Turbines?

Last Answer : 1. Impulse type. 2. Reaction type.

Steam is regularly used for propulsion (as a driving force) in applications such as ________ turbines. • Gas turbine • Steam turbine • Water turbine

Description : Steam is regularly used for propulsion (as a driving force) in applications such as ________ turbines. • Gas turbine • Steam turbine • Water turbine

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Boiler efficiency is a measure of how effectively _______ energy in fuel is converted into heat energy in steam going to the turbines A Chemical energy B Heat energy C Thermal energy D All of the above

Description : Boiler efficiency is a measure of how effectively _______ energy in fuel is converted into heat energy in steam going to the turbines A Chemical energy B Heat energy C Thermal energy D All of the above

Last Answer : A Chemical energy

It is used for gas turbines which operates on an open cycle where both the compression and expansion processes take place in rotating machinery.  a. Dual Cycle  b. Otto Cycle  c. Carnot Cycle  d. Brayton Cycle

Description : It is used for gas turbines which operates on an open cycle where both the compression and expansion processes take place in rotating machinery.  a. Dual Cycle  b. Otto Cycle  c. Carnot Cycle  d. Brayton Cycle

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Two Pelton turbines A and B have the same specific speed and are working under the same head. Turbine A produces 400 kW at 1000 rpm. If turbine B produces 100kW, then its rpm is (a) 4000 (b) 2000 (c) 1500 (d) 3000

Description : Two Pelton turbines A and B have the same specific speed and are working under the same head. Turbine A produces 400 kW at 1000 rpm. If turbine B produces 100kW, then its rpm is (a) 4000 (b) 2000 (c) 1500 (d) 3000

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Consider the following types of turbines: 1. Francis 2. Pelton with a single jet 3. Kaplan The correct sequence of these turbines in increasing order of their specific speeds is (a) 1, 3 & 2 (b) 2, 1 & 3 (c) 1, 2 & 3 (d) 2, 3 & 1

Description : Consider the following types of turbines: 1. Francis 2. Pelton with a single jet 3. Kaplan The correct sequence of these turbines in increasing order of their specific speeds is (a) 1, 3 & 2 (b) 2, 1 & 3 (c) 1, 2 & 3 (d) 2, 3 & 1

Last Answer : (b) 2, 1 & 3

How can steam turbines be classified? By the action of steam:

Description : How can steam turbines be classified? By the action of steam:

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How can problems of "excessive vibration or noise" due to piping strain be avoided on steam turbines?

Description : How can problems of "excessive vibration or noise" due to piping strain be avoided on steam turbines?

Last Answer : 1. The inlet as well as exhaust steam lines should be firmly supported to avoid strains from being imposed on the turbine. 2. Adequate allowance should be made for expansion of steam pipes due to heat.

What are the two basic types of steam turbines?

Description : What are the two basic types of steam turbines?

Last Answer : 1. Impulse type. 2. Reaction type

Low head plants generally use (A) Pelton Turbines (B) Francis Turbine (C) Pelton or Francis Turbine (D) Kaplan Turbines

Description : Low head plants generally use (A) Pelton Turbines (B) Francis Turbine (C) Pelton or Francis Turbine (D) Kaplan Turbines

Last Answer : Ans: A In the hysterisis motor, the direction of rotation can be reversed by shifting the shaded pole region with respect to main pole. But not by changing supply lead because it has ac supply.

Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70%

Description : Consider efficiencies of hydro-turbines and generators. If the efficiency of a hydro-turbine is 80% and the efficiency of a generator is 90%, what is the overall efficiency of the unit? w) 85% x) 72% y) 90% z) 70% 

Last Answer : ANSWER: X -- 72%

Describe four losses in steam turbines in 1/ 2 sentences each.

Description : Describe four losses in steam turbines in 1/ 2 sentences each.

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Comment on Mach number of steam in impulse and reaction turbines.

Description : Comment on Mach number of steam in impulse and reaction turbines. 

Last Answer : Mach number, in fluid mechanics, ratio of the velocity of a fluid to the velocity of sound in that fluid. Mach numbers less than one indicate subsonic flow; those greater than one, supersonic flow.

In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Description : In hydel power station, the motion produced in turbines is due to (1) flow of water (2) burning of coal (3) burning of diesel (4) production of steam

Last Answer : flow of water

Draw the layout of hydroelectric power plant and classify the turbines used in it.

Description : Draw the layout of hydroelectric power plant and classify the turbines used in it.

Last Answer : Layout of hydroelectric power plant: Classification of the hydraulic turbines: According to the type of energy available at inlet to the turbine 1)impulse turbine and 2) Reaction turbine ... speed of the turbine 1)low specific speed 2)medium specific speed 3)High specific speed

Differentiate between the turbines and pumps on any two factors.

Description : Differentiate between the turbines and pumps on any two factors.

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Name the turbines used in HPS. For the heads 30 M and less and 200 M and above.

Description : Name the turbines used in HPS. For the heads 30 M and less and 200 M and above.

Last Answer : For the heads 30 M and less :  1. Multi jet pelton wheel 2. Cross flow turbine 3. Turgo turbine 4. Francis turbine 5. Overshot Water Wheel 6. Pitch back Water Wheel  For the heads 200 M and above:-  1. Francis turbine 2. Pelton wheel turbine

In axial flow fans and turbines, fluid enters and leaves as follows :

Description :  In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially

Last Answer : In axial flow fans and turbines, fluid enters and leaves as follows : (A) radially, axially (B) axially, radially (C) axially, axially (D) radially, radially

Kaplan turbines are used whenever the water head is

Description : Kaplan turbines are used whenever the water head is (a) low (b) high (c) medium (d) (b) and (c) 

Last Answer : Low head upto 50 m

The transfer of energy for reaction turbines is based on _______

Description : The transfer of energy for reaction turbines is based on _______ A) Newton’s first law B) Newton’s second law C) Newton’s third law D) All the above

Last Answer : The transfer of energy for reaction turbines is based on Newton’s third law

Do you think trucking companies are in their right to install cameras and audio equipment in their trucks?

Description : Do you think trucking companies are in their right to install cameras and audio equipment in their trucks?

Last Answer : An important step to clear up all those unsolved murders.