A generating station has a maximum demand of 500 MW. The annual load factor is 50 percent. The energy generated per annum will be: A) 2.19 x 106 MWhr B) 600 MWhr C) 250 MWhr D) 7.50 x 106 MWhr
A generating station has a maximum demand of 500 MW. The annual load factor is 50 percent. The energy generated per annum will be: 2.19 x 106 MWhr
Description : A generating station has a maximum demand of 50 Mw, a load factor of 60%, a plant capacity factor of 45% and if the plant while running as per schedule, were fully loaded. The daily energy produced will be
Last Answer : A generating station has a maximum demand of 50 Mw, a load factor of 60%, a plant capacity factor of 45% and if the plant while running as per schedule, were fully loaded. The daily energy produced will be 720 MW.
Description : A generating station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is (a) 5 MW (b) 4 MW (c) 6 MW (d) 10 MW
Last Answer : A generating station has a maximum demand of 30 MW, a load factor of 60% and a plant capacity factor of 50%. The reserve capacity of the plant is 6 MW
Description : A generating st ation has a maximum, demand of 20 mW, load factor of 60%, a plant capacity factor of 50% and a plant Use factor of 72%. What is the reserve capacity of the plant, if the plant, while running as per schedule, were fully loaded?
Last Answer : 5 MW is the reserve capacity of the plant, if the plant, while running as per schedule, were fully loaded.
Description : In a power generating station the Demand Factor and Load Factor are 0.5 and 0.2, respectively. If the connected load is 400 MW, the average demand is (A) 40 MW (B) 100 MW (C) 140 MW (D) 280 MW
Last Answer : In a power generating station the Demand Factor and Load Factor are 0.5 and 0.2, respectively. If the connected load is 400 MW, the average demand is 40 MW
Last Answer : Generating capacity connected to the bus bars and ready to take load when switched on is known as spinning reserve.
Last Answer : Load factor of a power station is generally less than unity.
Last Answer : Load factor of a power station is defined as average load/maximum demand.
Last Answer : Peak load plant can never have 100 percent load factor.
Last Answer : 1. Connected Load: It is the sum of load of all equipment's connected to supply system which are in use or not in use of each consumer. OR The sum of connected load of all consumers ... is the maximum load which a consumer uses at a particular time period out of his total connected load.
Description : At an industrial sub-station with a 4 MW load, a capacitor of 2 MVAR is installed to maintain the load power factor at 0.97 lagging. If the capacitor goes out of service, the load power factor becomes (A) 0.85 (B) 1.00 (C) 0.80 lag (D) 0.90 lag
Last Answer : At an industrial sub-station with a 4 MW load, a capacitor of 2 MVAR is installed to maintain the load power factor at 0.97 lagging. If the capacitor goes out of service, the load power factor becomes 0.80 lag
Description : A power station supplies the peak load of 60 Mw, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55. The maximum demand on the station and average load respectively will be
Last Answer : A power station supplies the peak load of 60 Mw, 40 MW and 70 MW to three localities. The annual load factor is 0.50 p.u. and the diversity factor of the load at the station is 1.55. The maximum demand on the station and average load respectively will be 103.2 MW, 51.61 .
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
Last Answer : Power station having Load factor = 70%, capacity factor = 50%, used factor = 60%, maximum demand = 20MW then annual energy production is 122.8 GWh
Last Answer : More than 100%
Description : The problematic pollutants in emission of coal based generating plants __________. (A) SO₂ (B) NOx (C) CO (D) All of the above
Last Answer : The problematic pollutants in emission of coal based generating plants __________. (A) SO₂ (B) NOx (C) CO (D) All of the above
Description : A 3-phase 11 kV generator feeds power to a constant power unity power factor load of 100 MW through a 3-phase transmission line. The line-to line voltage at the terminals of the machine is maintained constant at 11 kV. The per ... 11 kV is (A) 100 MVAR (B) 10.1 MVAR (C) -100 MVAR (D) -10.1 MVAR
Last Answer : A 3-phase 11 kV generator feeds power to a constant power unity power factor load of 100 MW through a 3-phase transmission line. The line-to line voltage at the terminals of the machine is maintained ... load to increase the line-to-line voltage at the load terminals to 11 kV is -10.1 MVAR
Description : A three phase transmission line delivers a load of 5 MW at 0.8 power factor lagging. Resistance of each conductor is 0.5 ohm / km. Receiving end voltage is 33 kV. If the line loss is not to exceed 10%, determine the length of the line. (A) 7 km (B) 27.9 km (C) 56.8 km (D) 13.9 km
Last Answer : B
Last 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 : In order to have a lower cost of electrical energy generation the load factor (1) and the diversity factor should be low (2) should be low but the diversity factor should be high (3) should be high but the diversity factor should be low (4) and the diversity factor both should be high
Last Answer : In order to have a lower cost of electrical energy generation the load factor and the diversity factor both should be high
Last Answer : Demand factor is defined as maximum demand/connected load.
Description : Define the following terms:- Reliability, Maximum demand, Reserve-generating capacity, Availability (operational).
Last Answer : Reliability: It is the capacity of the power system to serve all power demands without failure over long periods. Maximum Demand: It is maximum load demand required in a power station during a given ... percentage of the time a unit is available to produce power whether needed by the system or not.
Last Answer : In a power plant if the maximum demand on the plant is equal to the plant capacity, then plant reserve capacity will be zero.
Last Answer : Maximum demand on a power plant is the greatest of all "short time interval averaged" demand during a period.
Description : Tarapur (INDIA) atomic power station (A) Has two boiling water reactors of American design (B) Has an installed capacity of 400 MW (C) Is the first power reactor in India, which became critical in 1969 (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : The voltage at the two ends of a transmission line are 132 KV and its reactance is 40 ohm. The Capacity of the line is (A) 435.6 MW (B) 217.8 MW (C) 251.5 MW (D) 500 MW
Last Answer : (A) 435.6 MW
Description : A 500 MW, 3-phase, Y-connected synchronous generator has a rated voltage of 21.5 kV at 0.85 p.f. The line current when operating at full load rated conditions will be (A) 13.43 kA (B) 15.79 kA (C) 23.25 kA (D) 27.36 kA
Last Answer : A 500 MW, 3-phase, Y-connected synchronous generator has a rated voltage of 21.5 kV at 0.85 p.f. The line current when operating at full load rated conditions will be 15.79 kA
Description : The maximum demand of consumer is 2 kW and his daily energy consumption is 20 units. Its Load Factor is (1) 10.15% (2) 41.6 % (3) 50 % (4) 60%
Last Answer : Total maximum demand of energy in a day = 2kw*24= 48 units Consumer consumption is 20 units . Load factor = (number of units utilizing)/(total max. demand) = 20/48 = 41.6%
Last Answer : In two part tariff, variation in load factor will affect operating or running charges.
Last Answer : High load factor indicates total plant capacity is utilised for most of the time.
Last Answer : The load factor of domestic load is usually 10 to 15%.
Last Answer : Generators for peak load plants are usually designed for maximum efficiency at 50 to 75 percent full load.
Last Answer : Annual operating expenditure of a power plant consists of fixed charges, semi-fixed charges, running charges.
Last Answer : Annual depreciation as per straight line method, is calculated by the capital cost minus the salvage value, is divided by the number of years of life.
Description : What is the maximum value of power factor?
Last Answer : 1 is the maximum value of power factor.
Description : ECE Board Exam March 1996 The method of generating FM used by broadcasting station is A. direct B. all of these C. indirect D. insertion
Last Answer : C. indirect
Description : Which of the following quantities has the GREATEST influence on the overall efficiency of a conventional (Rankine cycle) electric generating station burning fossil fuels? w) steam temperature at the steam turbine ... pressure at the steam turbine inlet z) pounds of ash and sulfur per pound of fuel
Last Answer : ANSWER: W -- STEAM TEMPERATURE AT THE STEAM TURBINE INLET
Description : Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, ... system frequency is (A) 50 Hz (B) 51 Hz (C) 51.25 Hz (D) 51.5 Hz
Last Answer : Two synchronous generators operating in parallel supply a common load of 2.5 MW. The frequency-power characteristics have a common slope of 1 MW/Hz and the no-load frequencies of the generators are 51.5 Hz and 51.0 Hz, respectively. Then the system frequency is 50 Hz
Description : Define the following: Average demand, Maximum demand, Demand factor, Load factor.
Last Answer : Average Demand: the average power requirement during some specified period of time of considerable duration is called the average demand of installation. Maximum Demand: The maximum demand of an installation ... Load Factor: It is defined as the ratio of the average power to the maximum demand.
Description : The connected load of a consumer is 2 kW and his maximum demand is 1.5 kW. The load factor of the consumer is (a) 0.375 (b) 0.75 (c) 1.33 (d) None of these
Last Answer : a
Description : List any two Thermal Power Station in Maharashtra with their installed capacity.
Last Answer : Thermal Power Station in Maharashtra with their installed capacity :
Description : Overall thermal efficiency of a steam power station in India is in the range: A) 18-24 percent B) 30-40 percent C) 44-62 percent D) 68-79 percent
Last Answer : Overall thermal efficiency of a steam power station in India is in the range: 30-40 percent
Description : A large hydropower station has a head of 324 metre and an average flow of 1370 metre3 / second. The available hydraulic power from this station will be: A) 4.35 MW B) 4.15 MW C) 4.47 MW D) 4.73 MW
Last Answer : A large hydropower station has a head of 324 metre and an average flow of 1370 metre3 / second. The available hydraulic power from this station will be: 4.35 MW
Description : In a power station, the cost of generation of power reduces when (A) diversity factor alone increases (B) both diversity factor and load factor increase. (C) load factor alone increases. (D) both diversity factor and load factor decrease,
Last Answer : In a power station, the cost of generation of power reduces when both diversity factor and load factor increase.
Description : The annual variability of rainfall is over 50 percent in which state?
Last Answer : Western Rajasthan
Description : With conventional hydrogen cooling it is possible to increase the rating of a single unit to (a) 50 MW (b) 100 MW (c) 200 MW (d) none ofthe above
Last Answer : (c) 200 MW
Description : Calculate the power loss, if power generated by two plants are P1=50 MW and P2 =40 MW and the loss coefficients are B11=0.001, B22=0.0025 and B12=-0.0005. (A) 4.5 MW (B) 5.5 MW (C) 6.5 MW (D) 8.5 MW
Last Answer : A
Description : The marketing function's main concern is with (a) producing goods or providing services ; (b) procuring materials, supplies, and equipment (c) building and maintaining a positive image ; (d) generating the demand for the organization's products or services
Last Answer : (d) generating the demand for the organization's products or services
Last Answer : In Hopknison demand rate or two part tariff the demand rate or fixed charges are dependent upon the maximum demand of the consumer.
Last Answer : Approximate estimation of power demand can be made by load survey method, statistical methods, mathematical method, economic parameters.
Description : The maximum gradient in station yards should be ……. Unless special safely devices are adopted and/or special rules enforced. (a) 1 in 400* (B) 1 in 500 (c) 1 in 1000 (D) 1 In 600
Last Answer : (a) 1 in 400*
Description : An earth moving equipment costs Rs. 5,00,000 and has an estimated life of 10 years and a salvage value of Rs. 50,000. What uniform annual amount must be set aside at the end of each of the 10 years for replacement if ... years is 0.069? (A) Rs. 31050 (B) Rs. 34500 (C) Rs. 37950 (D) Rs. 5000
Last Answer : (A) Rs. 31050