Electric Power

Electric Power
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State elements of diesel electric power plant with their functions.

Description : State elements of diesel electric power plant with their functions. 

Last Answer : Elements of Diesel Power Plant with their function):   1) Diesel Engine: - This is the main component of the P.P. which develops mechanical power. 2) Engine air intake system: - Air ... fuel as per requirement. 10) Alternator: - Its function is to convert mechanical power into electrical power.

What is the unit of electric power?

Description : Options: A) WATT B) AMPERE C) VOLTS D) OHM

Last Answer : Correct Answer: A) WATT

Electric power formula

Description : Electric power formula

Last Answer : Electric power formula

"Hydro electric power station are not perennial power station". Justify.

Description : "Hydro electric power station are not perennial power station". Justify.

Last Answer : Justification: The water utilized by the hydro power plants comes mostly from storage dams/reservoirs which get filled up during the monsoon rainy season. Such reservoirs are utilized for supplying ... are important. Hence "Hydro electric power stations are not perennial power station" 

Explain starting system in diesel electric power plant.

Description : Explain starting system in diesel electric power plant.

Last Answer : Starting system in Diesel Electric Power Plant: It includes Storage battery, compressed air tanks, self-starter etc. The purpose of engine starting system is to rotate the engine initially while ... as Ammeters, Voltmeters, Wattmeters, Thermometers, Pressure gauges, Visible and audible alarm etc.

Explain fuel system and air intake system in diesel electric power plant.

Description : Explain fuel system and air intake system in diesel electric power plant.

Last Answer : Fuel system and air intake system in diesel electric power plant :  Fuel system: It consists of storage tank, strainers, fuel transfer pump and all day fuel tank. The fuel oil is supplied ... Filters are provided to remove dust particles from air which may act as abrasive in the engine cylinder.

State any four advantages and four disadvantages of diesel electric power plant.

Description : State any four advantages and four disadvantages of diesel electric power plant. 

Last Answer : Advantages of Diesel electric power plant:- 1) The design and layout of Diesel electric power plant is simple. 2) It requires less space. 3) Time required for complete erection of diesel power plant is less ... . 9) The useful life is very short. 10) Availability of fuel in future may be limited.

List out the four applications of diesel electric power plant.

Description : List out the four applications of diesel electric power plant.

Last Answer : Applications of Diesel Power Plant: 1. It can be used as a standby (emergency) power plant to maintain continuity of supply. (Incase failure of main supply like hospital, Telephone exchange Radio stations, ... 10. Diesel plants are widely used for generating power ranging from 100 to 5,000 H.P.

An _____________is a network of electrical components used to supply, transfer and use electric power:

Description : An _____________is a network of electrical components used to supply, transfer and use electric power:  (A) Electric power system (B) Electric power (C) All of the above (D) None of the above

Last Answer : An Electric power system is a network of electrical components used to supply, transfer and use electric power.

The storage battery generally used in electric power stations is

Description : The storage battery generally used in electric power stations is  (1) zinc carbon battery (2) lead acid battery (3) nickel cadmium battery (4) lithium -ion battery

Last Answer : The storage battery generally used in electric power stations is lead acid battery 

Power factor of electric bulb is?

Description : Power factor of electric bulb is?

Last Answer : Power factor of electric bulb is unity.

Power for lighting in passanger coach, in a long distance electric train, is provided?

Last Answer : Power for lighting in passanger coach, in a long distance electric train, is provided through individual generator of bogie and batteries.

In a steam locomotive electric power is provided through?

Last Answer : In a steam locomotive electric power is provided through small turbo-generator.

The power mentioned on the name plate of an electric motor indicates?

Last Answer : The power mentioned on the name plate of an electric motor indicates the output power available at the shaft.

The efficiencies of transformers compared with that of electric motors of the same power are?

Description : The efficiencies of transformers compared with that of electric motors of the same power are?

Last Answer : Transformers have high efficiency than the same ratted motors

What is electric power generation transmission and distribution?

Description : What is electric power generation transmission and distribution?

Last Answer : Generation: it wrong word at here.because it is no generation it is conversion of one form of energy into electrical form.it may by using any type of energy. Transmission is just to ... place to other by providing some modifications And distribution means use of this energy for any purpose.

what are the three different types of Electric power?

Description : what are the three different types of Electric power?

Last Answer : Real,reactive,apparent power

Electric Current

Description : Electric Current

Last Answer : Electric current is the flow of charges. The electrons flow from higher density area of electrons to lowers density area of electrons. The terminal of battery which we called positive terminal of ... circuit is called electric current. The unit of electric current is Coulomb per Second or Ampere.

Explain about Electric Energy Conservation? How Energy conservation can be done in Lighting?

Description : Explain about Electric Energy Conservation? How Energy conservation can be done in Lighting?

Last Answer : Ans: Today in India, the per capita availability of energy is much less than the energy in developed countries. The demand for energy is always out placing availability, the shortfall being ... In streets of rural areas and side streets, street lighting luminaires with fluorescent lamps are used.

Electric Cement Mixers

Description : Electric Cement Mixers

Last Answer : Hand mixing is always imperfect, laborious and slow. Using this method, it is impossible to secure the thorough stirring and kneading action that a good mixing machine gives. If a machine ... material's liquid state, through electronically controlled agitation or turning of the drum until delivery.

Electric Bicycles

Description : Electric Bicycles

Last Answer : For most people, riding a bicycle is a very physical activity. If you're the type who doesn't like the idea of coming to school or work all sweaty and tired, you might have never considered ... allows them to move in the traffic and even in narrow lanes, making them more productive and efficient.

Electric Brake

Description : Electric Brake

Last Answer : An electric brake is a device that uses electrically actuated components to stop or slow the motion of shafts. This type of brake is very useful in applications that require precise tension ... sprocket, gear or pullet. Usually, these electric brakes are designed to accept various drive components.

How to Build an Electric Eye

Description : How to Build an Electric Eye

Last Answer : How to Build an Electric Eye Experimenting with electricity has always been a delight for many people. With the building of an electric eye, it will not only be exciting but it can be used for various ... slide is closed. A rheostat can be used to control the flow of current as you want it.

How to Build an Electric Car

Description : How to Build an Electric Car

Last Answer : How to Build an Electric Car Electric cars are a great way for us to enjoy speed and the thrills of racing cars on a small scale. Most kids grow up with a variety of electric radio ... hobby shop; you can always find good information and other enthusiasts that are interested in electric model cars.

How to Lower Your Electric Bill ?

Description : How to Lower Your Electric Bill ?

Last Answer : How to Lower Your Electric Bill The electric bill captures a huge brunt of your monthly expenses. It contains the accumulated cost of using every electrical device. Lowering the electric bill is clearly ... . Use each of them to your full advantage, preserving your monthly budget in the process.

Electric Sprayer

Description : Electric Sprayer

Last Answer : With technology coming in leaps and bounds since the past century, it is just a matter of time before your average garden and home sprayers evolve too. The evolution comes in the form of the electric ... long as you're okay with the disadvantages it has, then you should be fine with getting it.

Electric Fuel Pumps

Description : Electric Fuel Pumps

Last Answer : There are two types of fuel pumps: mechanical and electric. Before fuel injectors became popular, most engines used mechanical fuel pumps. However, a common problem among these pumps is that fuel ... these improvements, pump failures that are common among cars today should be reduced in the future.

Electric Fans

Description : Electric Fans

Last Answer : The electric fan is one of the most useful appliances in any home. Electric fans are found in all sorts of places: bathrooms, kitchens, living rooms, bedrooms, basements, and so on. Fans serve all sorts of ... electric fan. It won't kill you to try a mounted fan or free-standing fan in your home.

Electric stove. What to look for when choosing?

Description : Electric stove. What to look for when choosing?

Last Answer : Modern electric stoves are presented in such a wide variety that it is very easy for people who are far from technical nuances to get lost in it. The electrical goods market offers both ... be useful to you. And then the purchased device will become your irreplaceable assistant for many years.

How to choose an electric kettle?

Description : How to choose an electric kettle?

Last Answer : Life in a modern home and office is hard to imagine without an ordinary electric kettle. This is almost a key household appliance, without which it is difficult to heat or boil water for coffee, tea or ... are equipped with a built-in filter, which is not bad for coarse cleaning of the water used.

How to choose an electric stove?

Description : How to choose an electric stove?

Last Answer : How to choose an electric stove? Before buying an electric stove, you need to decide on its size. The size depends on how much it will be in harmony with the existing kitchen interior ... enamelled surface and cast iron burners. Glass ceramics are more expensive, but their advantages are obvious.

List types of electric furnace.

Description : List types of electric furnace. 

Last Answer : Three Types of Electric furnaces: 1. Induction heating furnace. 2. Resistance heating furnace. 3. Arc furnace.

Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Description : Select insulating materials for following parts : (i) Insulation between heating element and base plate of electric iron. (ii) Insulation used over copper or aluminium conductor used for making coils. (iii) Transformer bushings. (iv) Insulation between transmission line and pole.

Last Answer : Parts Insulating Materials  Insulation between heating element and base plate of electric iron. Mica Insulation used over copper or aluminium conductor used for making coils.  ... Transformer bushings Porcelain  Insulation between transmission line and pole. Porcelain

State any Four lE Rules regarding electric safety.

Description : State any Four lE Rules regarding electric safety. 

Last Answer :  lE Rules regarding electric safety: 1. IE Rule 3 : Authorization 2. IE Rule 29 : Construction and maintenance of electrical supply line and apparatus 3. IE Rule 30: Service line and apparatus on ... 26. IE Rule 60: Test for resistance of insulation 27. IE Rule 61: Connection with earth 

advantages of DVM over electric voltmeter?

Description : advantages of DVM over electric voltmeter?

Last Answer : Advantages:  1) In case of digital volt meter the output signals is available in the form of discrete numerical. Where as in analog voltmeter, output is made available by using pointer ... using a suitable transducer the quantities such as temperature, pressure, etc. can also be measured.

State Ohm’s law for electric circuit.

Description : State Ohm’s law for electric circuit.

Last Answer : Ohms law -States that the current flows in a circuit is directly proportional to the applied voltage (V) and inversely the proportional resistance provided with the temperature main constant

With proper reason suggest type of enclosure for electric drives used in coal mines.

Description : With proper reason suggest type of enclosure for electric drives used in coal mines.

Last Answer : Flame-proof type of enclosure for electric drives is used in coal mines.  Reason: - Coal mines are very hazardous, prone to flame and explosions. Under such conditions, flame proof type ... them (due to arcs, sparks, or flashes) without igniting the surrounding flammable gases or vapors.

State advantages of electric heating over other types of heating methods.

Description : State advantages of electric heating over other types of heating methods.

Last Answer : Advantages of Electric heating over the other types of heating methods: 1. It can be put into service immediately. 2. No standby losses. 3. High efficiency. 4. More economical ... low attention and supervision. 14. Protection against overheating can be provided by suitable switch gear. 

Suggest electric motors for i) traction ii) crane iii) lathe machine iv) domestic fan.

Description : Suggest electric motors for i) traction ii) crane iii) lathe machine iv) domestic fan.

Last Answer : i) Traction :- DC Series motor  ii) Crane :- DC Series motor  iii) Lathe machine :- 3 phase Induction motor or DC shunt motor  iv) Domestic fan :- 1 phase induction motor

State which electric motors are generally used in electro agro systems with reason.

Description : State which electric motors are generally used in electro agro systems with reason.

Last Answer : 1) 3 phase induction motor is used in electro agro system for water pumping from wells as 3 phase ac supply is easily available, cost of induction motor is less, maintenance free being rugged ... as 1 phase ac supply is easily available for domestic purpose, repair is simple and easily available.

State types of enclosures of electric drives.

Description : State types of enclosures of electric drives.

Last Answer : Types of enclosures of Electric Drives: 1) Screen protected 2) Open type 3) Protected type 4) Totally enclosed 5) Drip-proof type 6) Pipe ventilated type 7) Flame proof type 8) Explosion proof 9) Splash proof.

What is mean by electric network?

Last Answer : Any electric network may be defined as a combination of a number of electric elements.

Describe with a neat diagram, the process of any one type of electric welding.

Description : Describe with a neat diagram, the process of any one type of electric welding. 

Last Answer : Methods of electric welding :  1. Resistance welding  i Butt welding  ii Spot welding  iii Seam welding  iv Projection welding  2. Arc Welding  i Carbon arc welding  ii ... as copper, iron etc. The electric arc effectively concentrate heat on the surfaces it is desired to join.

What is the unit of electric current?

Description : A) Watt B) Volts C) Farad D) Ampere

Last Answer : Correct answer: D) Ampere

Nodal Analysis of Electric Circuits Example

Description : Nodal Analysis of Electric Circuits Example

Last Answer : Nodal Analysis of Electric Circuits Example 1 : https://youtu.be/XLS6kDQuHj0 Nodal Analysis of Electric Circuits Example 2 : https://youtu.be/OFhurvl74bA Nodal Analysis of Electric Circuits ... youtu.be/GmOozdjTVtM Nodal Analysis of Electric Circuits Example 9 : https://youtu.be/KjgfjJ7Ubb8

Describe the reason of using dc series motor for electric trains.

Description : Describe the reason of using dc series motor for electric trains.

Last Answer : Electric trains require an inverse torque speed characteristics for proper operation. That is a higher torque is required at start (when speed is nil or low) and as the train picks up ... torque - speed characteristics of DC series motors match, these motors are suitable for electric trains

List four electric pressure transducer.

Description : List four electric pressure transducer.

Last Answer : List of electric pressure measuring devices: 1. Diaphragm with strain gauge 2. Bourdon Tube with LVDT 3. Differential Pressure cell 4. Piezoelectric type pressure transducer 5. Capacitance pressure transducer 6. Optical Pressure transducer 7. Resistive pressure transducer 

List out any four effects of electric current used in measuring instruments & write name of meter working on it.

Description : List out any four effects of electric current used in measuring instruments & write name of meter working on it.

Last Answer : Effects of Electric Current used in measuring instruments:  1. Magnetic Effect: PMMC and Moving Iron type Ammeters, voltmeter and Dynamometer type wattmeters etc.  2. Electromagnetic induction ... . Electrostatic effect: Voltmeters.  5. Hall Effect: Flux meter, Poynting vector wattmeter.

State various effects of electric current and explain any one.

Description : State various effects of electric current and explain any one.

Last Answer : Effects of Electric Current:  1. Magnetic Effect: When a current is passed through a conductor, magnetic field is produced round the conductor. Due to this field when current carrying ... The rise in temperature is converted into elongation of hot wire element causes displacement of pointer.