### Mechanical engineer interviews questions: How boiler rated …

2014/8/7 · Actual evaporation = (boiler capacity x 540) / (hg - Tf) The boiler is rated to work at a certain pressure and at that pressure it can generate a defined quantity of steam. This can also be written as the F & A rating of the boiler. This is used as a measure of the boiler ability to produce steam. It gives us the amount of steam (in kgs) that a

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What are boiler efficiency and boiler evaporation ratio Liming 17:02:08 Many customers do not know what the boiler thermal efficiency and evaporation ratio mean, here, we explain the question in detail. a. It is the ratio of heat output to heat input of the boiler.

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Answer (1 of 2): If I understand your term "equivalent evaporation" correctly you are referring to the correction factor of evaporation, which is the difference between a boiler's rated output capacity (aka catalog capacity) in pounds per hour of steam (PPH), or kilograms

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Equivalent Evaporation Rate is rate of steam produced from boiler under atmospheric pressure and temperature 100 C. Boiler Horse Power: 1 34.5 / 15.65 / Bhp lb h kg h 10 11 Relation between Equivalent Evaporation Rate and Actual Evaporation Rate e

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2015/3/17 · Steam, Boiler, and Blowdown Pressure are the same. Combustion Efficiency is the % of fuel energy that is directly added to the feedwater and not otherwise lost or used. Blowdown Rate is the % of incoming feedwater mass flow rate that leaves the boiler as a saturated liquid at boiler pressure.

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A. Equivalent evaporation B. Evaporative capacity C. Boiler horse power D. Generation rate Answer- A. Equivalent evaporation The ratio of actual heat used in steam generating to the heat librated in the boiler furnace by the combustion of fuel is called-A. Boiling

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Therefore, equivalent evaporation of boiler is defined as the weight of water evaporated 29 from water at 100 0 C to dry and saturated steam at 100 0 C by utilizing the same a mount of

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any type of boilers operating under any conditions. Explanation: Image: For More Pressure Vessels MCQ Click Here Related Questions on Pressure Vessels 205) The coal requirement per kW hour generation in the thermal power plant is of the order of 0.1 to 0

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2014/8/7 · Actual evaporation = (boiler capacity x 540) / (hg - Tf) The boiler is rated to work at a certain pressure and at that pressure it can generate a defined quantity of steam. This can also be written as the F & A rating of the boiler. This is used as a measure of the boiler ability to produce steam. It gives us the amount of steam (in kgs) that a

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2017/6/23 · Equivalent evaporation actually indicates the amount of heat added in the boiler for steam generation. Equivalent evaporation refers to the quantity of dry saturated steam generated per unit of time from feedwater at 100°C to steam at 100°C at the saturation pressure corresponding to 100°C. Sometimes it is called equivalent evaporation from

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2006/11/3 · The boiler pressure is 100 psi and the boiler water temperature is 338 F. The latent heat is 881 Btu. What is the factor of evaporation? FE = SH + LH / 970.3 FE = SH + LH / 970.3 FE = ((338 - 225) + 881) / 970.3 FE = 1.02 Where, FE factor of evaporation

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The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr of steam with enthalpy content of 2426 kJ/kg from feed water at temp. 40°C (liquid enthalpy = 168 kJ/kg; enthalpy of vaporisation of water at 100°C = 2258 kJ/kg is: This question was previously asked in.

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2012/5/5 · evaporation is liquid turn to steam . rate is 34.5 lb multiply by hp Boiler power is not determined in megawatts. A boiler horsepower is determined as 33000 btus. …

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2016/7/28 · 2.) rated boiler horsepower (BHP- One bhp is the evaporation of 34.5 pounds (= 15.648 kg) of water per hour from a temperature of 212oF (=100oC) into dry saturated steam at the same temperature. Equivalent to 33,472 BTU/h (= 35.291 MJ/h).)

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What is evaporative capacity of a boiler? - Quora

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BOILERS 1.1 Introduction Performance of the boiler, like efficiency and evaporation ratio reduces with time, due to poor combustion, heat transfer fouling and poor operation and maintenance. Deterioration of fuel quality and water quality also leads to poor

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This work is based on the first approach- thermal conversion of municipal solid waste using incineration Technology from which energy is released for generation of dry saturated steam; operating at pressure of 10 bar. The dry saturated steam is at the temperature that corresponds to the boiler pressure.

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2012/5/5 · That is equivalent to 34.5 pounds of steam from and at 212 F. Conversion of boiler conditions (factor of evaporation) output and horsepower to atmospheric steam conditions is …

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S = 105 – 80. P2. Cut-in Pressure Delta. S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler …

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S = 105 – 80. P2. Cut-in Pressure Delta. S = 25. Factor of Evaporation. Water enters the boiler at 225°F. The boiler pressure is 100 psi and the boiler …

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ขอทำความเข าใจง ายๆ ว า Boiler ขนาด 10 ton/h(Equivalent evaporation) จะผล ตไอน ำได จร งท แรงด นใช งานท 8 bar.G น ำป อน 20 deg.C จะผล ตไอน ำได จร งประมาณ 8.4 ton/h.(Actual evaporation) จะเห

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Question is ⇒ Equivalent evaporation is the amount of water evaporated in a boiler from and at, Options are ⇒ (A) 0 C, (B) 100 C, (C) saturation temperature at given pres¬sure, (D) room temperature, (E) 20 C., Leave your comments or Download question paper.

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Equivalent Evaporation | Advanced Steam Traction

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Steam boilers, Engines, Nozzles and Turbines - Section 4 Steam Boilers, Engines, Nozzles and Turbines - Section 5 Question: The equivalent evaporation of a boiler is a measure to compare

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2. BOILERS Bureau of Energy Efficiency 27 Syllabus Boilers: Types, Combustion in boilers, Performances evaluation, Analysis of losses, Feed water treatment, Blow down, Energy conservation opportunities. 2.1 Introduction A boiler is an enclosed vessel that provides a means for combustion heat to be transferred into

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Thermodynamics. Thermodynamics Miscellaneous. The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr of steam with enthalpy content of 2426 kJ/kg from feed water at temperature 40°C (liquid enthalpy =168 kJ/kg) is (enthalpy of vaporization of water at 100°C = 2258 kJ/kg) 2000. 2149.

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Equivalent Evaporation: Generally, the output or evaporative capacity of the boiler is given as kg of water evaporated per hour but as different boilers generate steam at different pressures and temperature (from feed water at different temperatures) and as such have different amounts of heat, the number of kg of water evaporated per hour in no

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(ii) the equivalent evaporation from and at 100 C per kg of coal (iii) the equivalent evaporation from and at 100°C per textbf{m}^{2} of total heating surface per hour (iv) the boiler efficiency

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2020/11/19 · The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr ofsteam with enthalpy content of 2426 kJ/kg from feed water at temperature40 C (liquid enthalpy = 168 kJ/kg, enthalpy of vaporisation of water at100 C = 2258 kJ/kg) is

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A boiler is being tested for 24 hours and during this trial steam at average pressure of 10 bar, dry saturated is produced from 15 ton of water consuming 1.5 ton of coal. Composition of coal has 3% moisture and 4% ash. Feed water is added at 35 C. Determine, (i

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Answer: Generally the output or Evaporative capacity of the boiler is given as kg of water evaporated per hour. The equivalent evaporation can be defined as the amount of water evaporated from water at 100 degree C to dry and saturated steam at 100 degree C.

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2018/10/23 · This video explains how to find out boiler efficiency and equivalent evaporation.This question we have from Thermodynamics May 2018 question paper of Savitri

GET A QUOTE### The equivalent evaporation (kg/hr) of a boiler producing

Thermodynamics. Thermodynamics Miscellaneous. The equivalent evaporation (kg/hr) of a boiler producing 2000 kg/hr of steam with enthalpy content of 2426 kJ/kg from feed water at temperature 40°C (liquid enthalpy =168 kJ/kg) is (enthalpy of vaporization of water at 100°C = 2258 kJ/kg) 2000. 2149.

GET A QUOTE### 1. ENERGY PERFORMANCE ASSESSMENT OF BOILERS

Equivalent Evaporation Rate is rate of steam produced from boiler under atmospheric pressure and temperature 100 C. Boiler Horse Power: 1 34.5 / 15.65 / Bhp lb h kg h 10 11 Relation between Equivalent Evaporation Rate and Actual Evaporation Rate e

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Equivalent evaporation: 750 ~ 2,500 kg / h Operating efficiency improved turn down 1:5 Maximum operating pressure: 0.98MPa [G] Boiler efficiency: 98% boiler efficiency Functions and features Four position advanced combustion control boiler life and operating

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2021/12/19 · The equivalent evaporation of a boiler is a measure to compare _____? A. the given boiler with the model B. the two different boilers of the same make C. two different makes of boilers operat¬ing under the same operating conditions D. two boilers of same make but operaing under different conditions E. any type of boilers operating under any conditions

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Equivalent Evaporation | Advanced Steam Traction

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