For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when

1 Answer

Answer :

For optimum generator scheduling for different power plants, the minimum fuel cost is obtained when The incremental fuel cost of each plant multiplied by the penalty factor is the same

Related questions

Last Answer : In fossil fuel transportation cost is least.

Description : The capital cost of a power plant depends on  (1) Total installed capacity only. (2) Total number of units only. (3) Total installed capacity and number of units as well. (4) Neither the installed capacity nor number of units

Last Answer : The capital cost of a power plant depends on Total installed capacity and number of units as well.

Description : Minimum voltage regulation occurs when the power factor of the load is?

Last Answer : Minimum voltage regulation occurs when the power factor of the load is leading.

Description : State the functions of fuel system and exhaust system of a diesel power station.

Last Answer : Fuel system: It supplies fuel to engine for combustion purpose. It consists of Fuel Pump: - It supplies fuel to engine for combustion purpose. Strainer: - Are provided to remove suspended impurities and ... most of the noise. Chimney:- To exhaust gases in the atmosphere as high as possible. 

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.

Description : Power generation cost reduces as (A) Diversity factor increases and load factor decreases. (B) Diversity factor decreases and load factor increases. (C) Both diversity factor and load factor increase. (D) Both diversity factor and load factor decrease

Last Answer : Power generation cost reduces as Both diversity factor and load factor increase.

Description : Should single working parents get some sort of scheduling preferences?

Last Answer : No, they should not.

Description : Explain event scheduling with suitable example.

Last Answer : Event scheduling: The assignment to signal x does not happen instantly. Each of the values assigned to x contain an afterclause. The mechanism for delaying the new value is called scheduling an event. By ... value. Event is nothing but change on target signal which is to be updated. Example: X

Description : What is the real time scheduling?

Last Answer : Hard real-time and soft real-time are the types of real time scheduling. Real time 

Description : What is the choice of size and number of generator units in interconnected power system?

Last Answer : Choice of Size and Number of Generating Units: 1. The size/rating and number of generating units in such way that they approximately match with the load curve as closely as possible. 2. In ... , if power plant is connected to grid system then generating unit of higher capacity can be installed.

Description : In a synchronous generator delivering lagging power factor load  (1) the excitation emf leads terminal voltage by the power angle (2) the excitation emf lags terminal voltage by the power angle (3) ... by the power factor angle (4) excitation emf lags the terminal voltage by the power factor angle

Last Answer : In a synchronous generator delivering lagging power factor load the excitation emf leads terminal voltage by the power angle

Description : A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance to remain constant immediately after the fault, acceleration of the generator rotor is

Last Answer : A large AC generator, supplying power to an infinite bus, has a sudden short-circuit occurring at its terminals. Assuming the prime mover input and the voltage behind the transient reactance ... , acceleration of the generator rotor is inversely proportional to the moment of inertia of the machine

Description : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Last Answer : The clock frequency of an 8085 microprocessor based system is 3 MHz. What should be the minimum pulse width of the INTR signal so that it is recognized successfully? A) 5.6 µs B) 5.7 µs C) 5.8 µs D) 5.9 µs

Description : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

Last Answer : A zener voltage regulator has load requirements of 12 V and 2 A. The zener diode minimum current requirement is 0.2 A. The minimum voltage at input is 24 V. What is the required value of series resistance with source? A) 5.45 Ω B) 6 Ω C) 7.2 Ω D) 6.38 Ω  

Description : In an R-C phase shift oscillator, the minimum no. of R-C networks to be connected in cascade will be -

Last Answer : In an R-C phase shift oscillator, the minimum no. of R-C networks to be connected in cascade will be 3

Description : Which of the following circuit breakers has high reliability & minimum maintenance?  (A) Bulk oil type CB (B) Air blast CB (C) Vacuum CB (D) Sulphur hexafluoride CB 

Last Answer : Which of the following circuit breakers has high reliability & minimum maintenance?  (A) Bulk oil type CB (B) Air blast CB (C) Vacuum CB (D) Sulphur hexafluoride CB 

Description : The Minimum Oil Circuit Breaker (MOCB) is named because of :  (A) Reduced requirement of oil (B) Reduced requirement of air (C) All of the above (D) None of the above

Last Answer : The Minimum Oil Circuit Breaker (MOCB) is named because of : Reduced requirement of oil 

Description : A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are :  (A) less than 66 kV (B) lie between 66 kV and 110 kV (C) more than 165 kV (D) lie between 110 kV and 165 kV

Last Answer : A minimum clearance of 6.3 m to ground is required for overhead lines when operating voltages are : lie between 66 kV and 110 kV

Description : ln a minimum oil circuit breaker the oil is used

Last Answer : ln a minimum oil circuit breaker the oil is used to act as circuit breaking medium only

Description : The minimum charge on an ion is?

Last Answer : The minimum charge on an ion is equal to the charge of an electron.

Description : Build using minimum number of CMOS gates. Three input NAND gate. Two input NOR gate Three input NOR gate Two input AND gate Two input OR gate

Last Answer : Three input NAND gate. Two input NOR gate Three input NOR gate Two input AND gate Two input OR gate

Description : what is the minimum voltage required to turn on a diode ?

Last Answer : 0.7 v sil and 0.3 v for gr

Description : Draw inline fuel injection pump. Name different components. 

Last Answer : inline fuel injection pump

Description : With a neat diagram explain medium head hydro-electric power plants. 

Last Answer : Diagram of medium head hydro-electric power plants:  Explanation:- If head of water is between 30 and 100 m, the plant is called a medium-head plant. Potential energy of ... Francis turbines are normally used. Alternator required in these plants is of low speed and large in diameter. 

Description : State why nuclear power plants are used as base load plants and diesel power plants as a peak load plant. 

Last Answer : 1. Because of following points Nuclear power plant used as base load power plant:-  1. Nuclear power plants is very economical for producing bulk amount of electric power 2. Nuclear power plant is reliable ... . The plants can be put on load easily. 4. Diesel engines take less time to make OFF.

Description : State any two applications of diesel power plants.

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 ... . The diesel units can be used to supply the auxiliaries for starting the large thermal plants.

Description : List any two types of fuels used in electrical power generation plants.

Last Answer : Types of fuels used in electrical power generation plants:  1) Solid fuels: Coal, Biomass: Wood, Nuclear fuel: Uranium, Plutonium  2) Liquid fuels: Diesel, Petrol  3) Gaseous Fuels: Natural gas, Producer ... 2) Wood 3) Uranium 4) Plutonium 5) Diesel 6) Petrol 7) Natural gas 8) Producer gas

Description : Classify hydro-electric power plants according to water flow regulation and explain in brief.

Last Answer : Classification of hydro-electric power plants according to water flow regulation of water flow:-  1. Large reservoir power plant 2. Run-off river (ROR) power plant with poundage 3. Run-off River ... depends upon rate of flow of water Initial cost is less Its purpose is to generate electricity.

Description : In hydroelectric power plants  (1) both operating and initial cost are high (2) both operating and initial cost are low (3) operating cost is low and initial cost is high (4) operating cost is high and initial cost is low

Last Answer : In hydroelectric power plants operating cost is low and initial cost is high

Description : Marine Fuel Pumps

Last Answer : While shopping for a fuel pump for your boat, you might be surprised that automobile fuel pumps as well as marine fuel pumps are being sold for boats. Actually, mechanical and electrical fuel ... and that you are following coast guard rules and regulations, always use marine parts for your boat.

Description : Fuel Oil Filters

Last Answer : You may not think much of the shelf lined with fuel filters at your local auto parts and supply store, but it is one of the most important parts of your engine. Some people don't pay much ... worries. If you're interested reading this article, might as well read how to replace an oil filter.

Description : How to Install a New Fuel Tank

Last Answer : How to Install a New Fuel Tank Fuel tanks can wear out over time, developing leaks or even being punctured. What you need to do now is replace the fuel tank. Although a mechanic can do this easily for ... new one? Just follow these easy steps and you'll get this in no time. Remember, safety first!

Description : How to Change a Fuel Injector

Last Answer : How to Change a Fuel Injector Is your engine flooded with gas and your motor sputtering? It might be because your fuel injector is dirty or plugged up. Although it's not a very common dilemma ... arises, do not neglect this simple maintenance trick. Otherwise, you'll expect plenty of problems soon.

Description : Marine Fuel Pumps

Last Answer : While shopping for a fuel pump for your boat, you might be surprised that automobile fuel pumps as well as marine fuel pumps are being sold for boats. Actually, mechanical and electrical fuel ... and that you are following coast guard rules and regulations, always use marine parts for your boat.

Description : Fuel Transfer Pumps

Last Answer : A fuel transfer pump is used to move fuel from one container to another. These pumps are used to fuel cars, planes, agricultural equipment and other devices. They are typically used to transfer diesel and ... for quicker fueling. These models may cost more, but they will make your job a lot easier.

Description : Fuel Pump Relay

Last Answer : Some car owners immediately suspect a fuel pump failure when their cars stall. However, there are many other engine problems that may resemble a fuel pump failure, such as restricted fuel filters, smashed ... advisable to bring your car to the repair shop so that the whole engine can be checked.

Description : Fuel Pump Problems

Last Answer : Fuel pump problems are usually caused by running a car for extended periods of time on a tank that is almost empty. This causes the fuel pump to run dry, which eventually damages the pump. Another cause ... your car to stall, bring it to the repair shop so professionals can have a look at it.

Description : Fuel Pump Operation

Last Answer : Most people know that their cars have fuel pumps, but they don't really know how they operate. Some even pay attention to their fuel pumps only when they have already malfunctioned. It is important ... check your fuel pump for any problems because a defective pump can be dangerous while on the road.

Description : Fuel Pump Failure

Last Answer : Is your car having acceleration problems? Has there been an occasion when your car simply sputtered and died while on the road? If your answer is yes, then you may want to check your car for fuel pump ... a fuel pump is to take your car to a repair shop where professionals can do it for you.

Description : Facet Fuel Pumps

Last Answer : Facet is a manufacturer of fuel pumps for cars, boats, planes, generators and other devices. The Facet brand is also sometimes called Purolator. Many people use Facet fuel pumps for their cars, although ... you are completely sure that a fuel pump brand is good should you purchase one for your car.

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.

Description : Diesel Fuel Pumps

Last Answer : A diesel fuel pump, as the name suggests, is a pump for diesel engines. A diesel engine uses internal combustion to work. The pump is an essential component of the internal combustion process. The internal ... needs to be replaced because of damage, it is best to take the car to a repair shop.

Description : The Guide to Fuel Pumps

Last Answer : Ever wondered what a fuel pump is? A fuel pump is a basic component of a car and other devices with internal combustion engines that moves fuel from the fuel tank to the carburetor or fuel ... lubricate it to make it perform better. Maintaining the fuel pump will keep your vehicle running smoothly.

Description : What are fuel briquettes and what are their advantages?

Last Answer : What are fuel briquettes and what are their advantages? For quite a few years now, Eurowood (fuel briquettes) have been an irreplaceable and most economical type of fuel. Briquettes are made ... costs with sawdust briquettes are certainly much lower than when using coal or other types of firewood.

Description : Graph indicating changes in pollutants level w.r.t air fuel ratio

Last Answer : Graph indicating changes in pollutants level w.r.t air fuel ratio

Description : Define the terms: i) Tariff ii) Fuel surcharge iii) Electricity Duty iv) Connected load

Last Answer : i) Tariff: The rate at which a consumer is charged for the consumption of electricity is called as tariff. OR The amount of money framed by the supplier for the supply of electrical energy ... is the total wattage of all appliances which are used by the consumer on his sanctioned connection. 

Description : State the term nuclear fuel. Also state its properties.

Last Answer : The term nuclear fuel:- Nuclear fuel is a substance that is used in nuclear power stations to produce heat to power turbines. Heat is created when nuclear fuel undergoes nuclear ... fuels contain heavy fissile elements 3. Nuclear fuels are complex, multi-component materials containing actinides

Description : In fuel cell the __________ energy is converted into electrical energy.  (A) Mechanical (B) Chemical (C) Heat (D) Sound

Last Answer : In fuel cell the Chemical energy is converted into electrical energy. 

Last Answer : Fuel other than natural gas i.e. solid and liquid fuels can be used in _______

Description : Explain the choice of size and number of generator units in a power plant. 

Last Answer : Selection of Size and Number of Generating Units:  1. The size/rating and number of generating units in such way that they approximately match with the load curve/load duration curve as ... power plant is connected to grid system then generating unit of higher capacity can be installed.