The boiler pressure is maintained at the top of its control band, and the level of stored energy is at its greatest. Should more energy be required at short notice, the control system can immediately respond by increasing the firing rate, without pausing for a purge cycle. Disadvantages of a modulating control system: Most expensive. Most complex.
2020-9-12 · The present matter arises from an appeal filed by Sri Rama Shanker Awasthi, a public representative, (Appeal 73 of 2016 & I.A. No.373 of 2016 & IA No.569 of 2016) before Hon'ble APTEL challenging the order dated 23/11/2015 passed by the Uttar Pradesh Electricity Regulatory Commission in Petition Nos.871 and 891 of 2013 in the matters of M/s LancoAnpara Power Limited and UPPCL.
The pandemic of coronavirus puts informal India staff on the firing line. In India, the informal or gigantic economy is at a standstill and people co-operate indoors in preventing Covid 19 cases from spreading. Regular wagers are hard to achieve from those who work in restaurants to those who survive by ironing clothes in the neighborhood.
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2021-3-14 · The input is also used to determine the efficiency of the boiler for example; a boiler with an input of 150,000 Btu/hr and a gross output of 135,000 would have an estimated combustion efficiency of 135,000÷150,000= .90×100=90% eff. Next we have the boiler output, which can be listed in several ways.
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2015-2-10 · Banking of a boiler is a term that defines the operation of a boiler at a combustion rate that is just sufficient to maintain normal operating pressure at zero steam capacity. In order to bank the fire on an under- feed stoker, the fans are stopped, but the stack damper is not completely closed.
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4 a. Discuss the effect of i) Boiler pressure and ii) Condenser pressure, on the performance of a Rankine cycle. b. Explain the working of the regenerative Rankine cycle with one feed-water heater. c. In a reheat cycle, steam at 500°C expands in a HP turbine till it is saturated vapour.
(A)firing angle and load resistance (B)firing angle and supply frequency (C)firing angle and load inductance (D)only on load circuit parameters Ans:B. 19. In dielectric heating, the rate of heating cannot be increased by increasing the potential gradient because (A)Coupling problems become highly pronounced (B)Very high voltages are not easily
2014-6-18 · For instance, if a boiler has an Input of 200,000 BTUH and a Gross Output of 160,000 BTUH, that boiler would be running at 80% combustion efficiency. It's not hard to figure this out. Just divide the big number into the little number and then multiply the
13.3.4 Nuclear Installations. The inspection fee is based on actual hourly inspection time at an hourly or daily rate determined by the Manager of the Boiler Safety Program, dependent on the type of qualified personnel necessary to perform the required safety inspections. 13.3.5 Shop Reviews.
2015-12-10 · A low selecting logic compares the boiler firing rate (demand signal), generated by Unit Coordinator logic, to the total boiler combustion air flow signal (measured at RAHs outlet, upstream the common header), the lowest of them, deducted by coal flow (if any) via another low selecting logic and compared to the Secondary Air (SA) flow to the
Unhappily, it's hardly a precise term. It could mean firing at more than the design capacity of the boiler -- which really isn't that good an idea. Or it could mean firing at a rate which is greater than the system as a whole can handle -- which is the rate referred toby the idea "firing only to the connected load".
2020-3-5 · Rate of pre-tax return on equity = Base rate / (1-t) Where t is the applicable tax rate in accordance with clause (3) of this regulation. Illustration: - i. In case of the generating company or the transmission licensee paying Minimum Alternate Tax (MAT) @ 11.33% including surcharge and cess: Rate of return on equity = 15.50/ (1-0.1133) = 17
27.The type of firing used for a pulverized coal fired boiler is a) over firing b) tangential firing c) vertical firing d) mixed firing for effective heat transfer 28.The percentage raise in boiler efficiency by a 20 oC raise in combustion air temperature is a) 0.1% b) 0.2% c) 10% d) 1% 29.The steam generation in a boiler is 16 tones for four
2018-3-21 · BIOMASS. WHAT IS A BIOMASS? Biomass is an organic material produced by plants and living things. Biomass is a product of natural resources viz. land, water, air, and sun's energy, gives much hope as an alternative, reliable and renewable source of energy. BIOMASS CLASSIFICATION (According to sources). 1.