# In a power plant if the maximum demand on the plant is equal to the plant capacity, then?

In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.

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Answer : Power plant having maximum demand more than the installed rated capacity will have utilisation factor more than unity.

Answer : Maximum demand on a power plant is the greatest of all "short time interval averaged" demand during a period.

Description : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is  (1) 122.8 GWh (2) 198.55 GWh (3) 128.2 GWh (4) 188.82 GWh

Answer : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is 122.8 GWh

Answer : Approximate estimation of power demand can be made by load survey method, statistical methods, mathematical method, economic parameters.

Answer : For high value of diversity factor, a power station of given installed capacity will be in a position to supply more number of consumers.

Description : The overall efficiency of Thermal Power Plant is equal to _______________ .  (A) Regenerative Cycle Efficiency (B) Renkine Cycle Efficiency (C) Carnot cycle efficiency (D) None of the above

Answer : The overall efficiency of Thermal Power Plant is equal to Regenerative Cycle Efficiency.

Description : What is the maximum value of power factor?

Answer : 1 is the maximum value of power factor.

Answer : Because of following advantages concentrating type collector are used in solar power plant: -  1. Temperature: Temperature obtained is high because absorber area is less and collector/reflector area ... results: As tracking system is used better results are obtain than flat type collector.

Description : List the types of turbine used in hydro power plant.

Answer : Following types of turbine used in hydro power plant:  1.Pelton wheel 2.Francis Turbine 3.Kaplan Turbine 4.Propeller Turbine

Description : In a thermal power plant, ash is collected in

Answer : In a thermal power plant, ash is collected in hoppers or bunkers

Description : What is the largest power plant in the world?

Description : What are the criteria for selection of site for hydroelectric power plant?

Answer : Following Factors to be kept while site selecting for Hydro power plant:  1. It should be located where high rain fall occurs. 2. A large catchments area must be available to store water. 3. It ... 12. Cost of land should be less. 13. Skilled and unskilled man power should be available nearby.

Description : Explain the function of different parts of a typical nuclear power plant with neat sketch.

Answer : Functions of each part of Nuclear power plant:-  1) Nuclear Reactor: In nuclear reactor the fuel rod of U235 is placed through which tremendous amount of heat energy is ... is mechanically coupled with steam turbine. 8) Alternator: It converts mechanical energy into electrical energy.

Description : With a neat diagram explain pumped storage hydro power plant.

Answer : Diagram of pumped storage hydro power plant: Explanation: In this power plant, generator is so designed that it Converts mechanical power into electrical power and also works as a ... helps in reducing a reserve capacity of PP as it provides additional power during peak load period.

Description : Draw a layout of a thermo-chemical based power plant.

Answer : Layout of a thermo-chemical based power plant:  In this process dry biomass fuels converted to produce gas ,liquid fuels or oil by thermo chemical conversion Thermo-Chemical conversion are of following ways:- 1. Direct combustion 2. Gasification 3. Pyrolysis

Description : With a neat diagram explain solar photovoltaic power plant.

Answer : Diagram of solar photovoltaic power plant :  Explanation:  Solar power plant consists of following components:  1. Photovoltaic cell panel: Its function is to convert sunrays directly into DC ... .  5. Step-up transformer: It step-up input voltage to utilization voltage e.g. 230V

Description : The rankine cycle efficiency of steam power plant is  (1) 60-80% (3) 30-45% (2) 45-80% (4) 20-30%

Answer : The rankine cycle efficiency of steam power plant is 30-45%

Answer : Annual operating expenditure of a power plant consists of fixed charges, semi-fixed charges, running charges.

Description : How many watts does a power plant produce?

Description : What is the most common type of power plant?

Description : How much electricity is produced by a power plant?

Answer : Generating capacity connected to the bus bars and ready to take load when switched on is known as spinning reserve.

Description :  An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to a load impedance ZL when A) ZL = R B) ZL = jXS C) ZL = R-jXS D) ZL = R+jXS

Answer :  An independent voltage source in series with an impedance ZS=R+jXS delivers a maximum average power to a load impedance ZL when ZL = R-jXS

Answer : Hydroelectric power plant is expected to have the longest life.

Description : A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of 600 C/W. If the ambient temperature is 300o C ... the device will be A) 1.52 W B) 1.72 W C) 1.92W D) 2.00 W

Answer : A certain power MOSFET has a maximum junction temperature specification of 1500o C, a junction-to-case thermal resistance of 1.00 C/W, and a junction-to ambient thermal resistance of  ... 300o C, then the maximum allowable power dissipation in the device will be 2.00 W

Answer : The mechanical power developed by a shunt motor will be maximum when the ratio of back e.m.f. to applied voltage is 0.5.

Answer : In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be more than full-load current.

Description : Maximum Power Transfer Theorem 1

Answer : Maximum Power Transfer Theorem 1

Description : State maximum power transfer theorem for DC circuit.

Answer : Maximum power transfer theorem for DC circuit: The maximum power transfer theorem states that the source or a network transfers maximum power to load only when the load resistance is equal ... removed (disconnected) ii) All internal independent sources are replaced by their internal resistances.

Description : The maximum reluctance power of a salient-pole synchronous motor having direct-axis reactance, 1.0 pu and quadrature-axis reactance, 0.5 pu, and input voltage, 1.0 pu is (A) 0.25 pu (B) 0.5 pu (C) 1.0 pu (D) 1.5 pu

Answer : The maximum reluctance power of a salient-pole synchronous motor having direct-axis reactance, 1.0 pu and quadrature-axis reactance, 0.5 pu, and input voltage, 1.0 pu is 0.5 pu

Description : For maximum transfer of power, internal resistance of the source should be?

Answer : For maximum transfer of power, internal resistance of the source should be equal to load resistance.

Description : "Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load". The above statement is associated with?

Answer : "Maximum power output is obtained from a network when the load resistance is equal to the output resistance of the network as seen from the terminals of the load". The above statement is associated with Maximum power transfer theorem.

Description : The maximum load that a power transformer can carry is limited by its?

Answer : The maximum load that a power transformer can carry is limited by its voltage ratio.

Description : The synchronous motor will develop maximum power when the load angle is?

Answer : The synchronous motor will develop maximum power when the load angle is 900.

Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.

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

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

Answer : A power plant usally works on Rankine Cycle.

Answer : Large capacity generators are invariably hydrogen cooled.

Description : How does electricity get from the power plant to your home?

Answer : Electricity  gets  into   my   home  due  to  potential  diffrence  created   between  the  live   wire  and  neutral  wire.

Description : Explain the nuclear chain reaction in a nuclear power plant.

Answer : Nuclear chain reaction in a nuclear power plant: If a slow moving neutron hits unstable heavy nucleus of nuclear fuel U235 or Pu239 , the neutron is absorbed, the nucleus splits into two more ... chain reaction can be controlled and desired heat energy can be obtained in nuclear power plant.

Description : Explain starting system in diesel electric power plant.

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.

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

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 : State the different types of engines in diesel power plant.

Answer : Types of engines in diesel power plant: 1) Two Stroke Diesel Engine 2) Four Stroke Diesel Engine

Description : Explain ash disposal and dust collection in a thermal power plant.

Answer : Ash disposal:-  Various methods of disposal of ash are:  Mechanical handling system.  Pneumatic system. Hydraulic system  Steam jet system  Commonly used ash handling ... be done either manually or automatically.  This removed fly ash is collected in separate container

Description : Distinguish between fire tube and water tube boilers in steam power plant.

Answer : Fire Tube boiler Water Tube boiler In fire tube boilers hot gases are passed through the tubes and water surrounds these tubes. In these boilers water is inside the tubes and hot gases are ... risk of explosion due to low pressure. Risk of explosion is more due to high pressure.

Description : Write function of control rods in nuclear power plant.

Answer : Function of control rods in nuclear power plant: The function of control rod is to control the chain reaction in reactor core by adjusting its height.

Description : What are the basic requirements of locating wind power plant ?

Answer : The basic requirements of locating wind power plant:  1) The site should be selected where winds are strong i.e. where pressure of wind is high and there is continuity. 2) Wind pressure ... the turbine which can affect the system's overall performance. 10)Possibility to connect to power grid.

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

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.

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