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17. Calculate the blow down rate for a boiler with an evaporation rate of 3 tons/hr, if the maximum permissible TDS in boiler water is 3000 ppm and with 10 % make up water addition. The feed water TDS is around 300 ppm. Blow down (%) = Permissible TDS −Get Price
250+ TOP MCQs on Boiler Classification and Answers
clarification: Rate of evaporation is more as area of heating surface is more due to presence of large small diameter tubes. Due to that smaller water ratio is allowed to steam space where in the steam can be generated as a faster rate even if the boiler is cold.Get Price
What is the rate of evaporation of a water tube boiler if the factor …
What is the rate of evaporation of a water tube boiler if the factor of evaporation is 1.10, percent rating of 200% and the heating surface area is 250 m2? Answer: A A. 7,817.16 kg/hr B. 7,898.67 kg/hr C. 6,789.45 kg/hr D. 5,768.54 kg/hr 38. An oil-fired steam boiler generates 13,000 lb of steam per hour at 300 psia, 650 ºF when the fuel is Get Price
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 Get Price
Boiler – Fundamentals and Best Practices
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 Get Price
BOILERS | Energy-Models.com
If boiler evaporation rate is 3000 kg/hr then required blow down rate is: 3000 × 1 100 = 30 kg/hr Benefits of Blowdown Steam Boiler Room Questions & Answers, Third Edition by Stephen M.Elonka and Alex Higgins Steam Boiler Operation by James J Carl D Get Price
BOILER QUESTIONS AND ANSWERS - Blogger
2013/9/19 · BOILER QUESTIONS AND ANSWERS Posted by : Unknown Thursday, September 19, 2013 Please, share your power and contribute with answers to the visitors' queries. we've got all completely different experiences and nobody is aware of everything, however along we will solve voluminous issues.Get Price
Quick Answer: What Is Boiler Efficiency Definition - Know …
2021/10/26 · Performance of the boiler, like efficiency and evaporation ratio reduces with time, due to poor combustion, heat transfer fouling and poor operation and maintenance. Efficiency test- ing helps us to find out how far the boiler efficiency drifts away from the best efficiency.Get Price
BOILER QUESTIONS AND ANSWERS - Blogger
2013/9/19 · BOILER QUESTIONS AND ANSWERS Posted by : Unknown Thursday, September 19, 2013 Please, share your power and contribute with answers to the visitors' queries. we've got all completely different experiences and nobody is aware of everything, however along we will solve voluminous issues.Get Price
Boiler Evaporation Ratio Formula
Boiler Evaporation Ratio Formula-ZBG Boiler 2018/4/23 · Evaporation, frequently termed as the capacity of boiler, is the amount of steam, expressed in kg or tonne which it can raise per hour at full load. The boiler evaporation ratio is expressed as followsGet Price
Power plant and calculations: Boiler
Viva Questions & answers for preparation of BOE exam & interview 26-A boiler's SH steam line safety valve is set at 72 kg/cm2 & blow down rate kept 2.5%, calculate the pressure at which safety valve reseats Blow down of safety valve = (Set pressure – ReseatGet Price
Boiler Question Bank.pdf - Unit u2013 II Boilers Part A Question and Answers 1 Why water tube boilers …
(ii)A boiler generates steam at the rate of 6 T/h at a pressure of 8 bar & 0.98 dry. The feed water is supplied at 40 C. If the boiler efficiency is 80%, calculate the coal consumption rate, whose calorific value is 31 MJ/kg. Also calculate the evaporation rate and 8.Get Price
TOP 200+ Steam Boilers and Engines Multiple choice Questions and Answers
2019/2/7 · The evaporation of 15.653 kg of water per hour from and at 100 C is called (a) evaporative capacity (b) factor of evaporation (c) equivalent evaporation (d) one boiler h.p. (e) boiler efficiency. Ans: d 48. The increase in pressure (a) lowers the boiling point of a liquidGet Price
1. ENERGY PERFORMANCE ASSESSMENT OF BOILERS
382. What is the rate of evaporation of a water tube boiler if the factor of evaporation is 1.10, percent rating of 200% and the heating surface area is 250 m? A. 7,817.16 kg/hr. B. 7,898.67 kg/hr. C. 6,789.45 kg/hr. D. 5,768.54 kg/hr. View Answer: Answer: Option A Explanation: 383. Steam is admitted to the cylinder of an engine in such a Get Price
Engineering Questions Answers pdf Interview objective Mcqs,lab viva 2021 - 200+ TOP Steam Boilers, Engines, Nozzles and Turbines …
(d) equivalent evaporation (e) boiler efficiency. Ans: e 111. Steam in water tube boiler as compared to fire tube boiler (a) can be raised rapidly (b) is raisd at slower rate (c) is raised at same rate (d) could be raised at fast/slow rate depending on design (e) none ofGet Price
MCQ in Power Plant Engineering Part 8 | ME Board Exam
2020/12/19 · 379. A water tube boiler has a capacity of 1000 kg/hr of steam. The factor of evaporation is 1.3, boiler rating is 200%, boiler efficiency is 65% and heating surface area is 0.91 m 2 per bo.Hp. and the heating value of fuel is 18,400 kCal/kg. The total coal availableGet Price
ITI Boiler Operator Questions and Answers | MCQ Objective Test …
2021/6/23 · MCQ Objective Questions and Answers for Boiler Operator Jobs. 1. In the fire tube boilers : (A) The hot gases pass through tubes and water surrounds the tubes. (B) The water passes through the tubes and hot gases surround the tubes. (C) Fire surrounds the tubes and water passes in the tubes. (D) All of the above. 2.Get Price
evaporation rate of high pressure boiler – best boiler for sale
2009/5/21 · There are many factors. First of all, there is the temperature of the water. Next, the is the volume of water. Next there is the amount of pressure gradually built up in the boiler. Next Get Price
Top 17 Boiler Question and Answer you Never know - ASKPOWERPLANT
2018/2/18 · These boiler question answers are selected by those peoples who passed the BOE, Energy Manager, Energy Auditor examination already . Let us discussed the top 17 boiler question answer you never know about it .Get Price
What is boiler evaporation rate? - Answers
What is boiler evaporation rate – Answers.com What is boiler evaporation rate? SAVE CANCEL. already exists. Would you like to merge this … (blow it with a fan), or decrease the air pressure. … evaporation rate of high pressure boiler – ZG Industrial …Get Price
What is the rate of evaporation of a water tube boiler if the factor …
Factor of Evaporation Water enters the boiler at 225 F. The boiler pressure is 100 psi and the boiler water temperature is 338 F. Rate of Combustion for Gaseous or Liquid Fuels A scotch marine boiler has a furnace volume of 45.5 cu. ft. if 3825.2 cu. ft. of what Get Price
Rate of evaporation and steam tables | Physics Forums
2013/3/25 · Rate of evaporation and steam tables. Mar 20, 2013. #1. jankod. 2. 0. Looking at the steam table below, if I understand things correctly, it will take 419kJ to bring a kg of water to the boil at 100°C and a further 2257kJ to turn all of that boiling water into steam. I assume that would have to be in an open boiler, as the pressure inside of a Get Price
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 Get Price
How do you calculate the evaporation rate in a closed system - …
1. ENERGY PERFORMANCE ASSESSMENT OF BOILERS Bureau of Energy Efficiency 1 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 andGet Price
Your guide to safer boiler operation
Your guide to safer boiler operation Steam boiler 1. Safety valve 2. Low-water cutoff 3. Water column blow-down valve 4. Pressuretrols (one is high-limit safety) 5. Steam pressure-gauge 6. Water column clean-out (cross tee) 7. Bottom blow-off and drain valve 8. LowGet Price
Answered: A water tube boiler has a capacity of… | bartleby
A water tube boiler has a capacity of 1000 kg/hr of steam. The factor of evaporation is 1.3, boiler rating is 200%, boiler efficiency is 5%, heating surface area is 0.91 m 2 /boiler Hp, and the heating value of fuel is 18,400 Kcal/kg. The total coal available in the bunker Get Price
Answered: A water tube boiler has a capacity of… | bartleby
A water tube boiler has a capacity of 1000 kg/hr of steam. The factor of evaporation is 1.3, boiler rating is 200%, boiler efficiency is 5%, heating surface area is 0.91 m 2 /boiler Hp, and the heating value of fuel is 18,400 Kcal/kg. The total coal available in the bunker Get Price
evaporation rate of high pressure boiler – best boiler for sale
What is boiler evaporation rate – Answers.com What is boiler evaporation rate? SAVE CANCEL. already exists. Would you like to merge this … (blow it with a fan), or decrease the air pressure. … evaporation rate of high pressure boiler – ZG Industrial …Get Price
Boiler Formulas | Johnston Boiler | Top Quality Boiler …
Steam Production When heat is added to water, its temperature rises at a rate of 0.56 C (1 F) for each heat input of 2.095 kJ/kg (1 Btu/lb) If we take water at 0 C (32 F) and we add 419 kJ/kg (180 Btu/lb) then we will increase the temperature of the water by 100 CGet Price
Boiler Evaporation Ratio Formula
Boiler Evaporation Ratio Formula-ZBG Boiler 2018/4/23 · Evaporation, frequently termed as the capacity of boiler, is the amount of steam, expressed in kg or tonne which it can raise per hour at full load. The boiler evaporation ratio is expressed as followsGet Price
Chapter 4.1: Boiler Short type questions
Selected questions Chapter 4.1: Boiler Short type questions 1. In the absence of steam flow meter, suggest a method by which steam quantity can be assessed in a boiler. Ans. The feed water flow into the boiler can be used as an effective tool to quantifyGet Price
Steam Boilers In Germany - the Sugar Loaf Inn
Used Parker Boiler for sale. Parker equipment & more | MachinioGet Price
Velox Boiler: Principle, Construction, Working
Velox Boiler-A Velox boiler is a type of high pressure, forced circulation, water tube boiler. It was developed in the 1930s by Brown Boveri company of Switzerland. The first public demonstration of Velox was at VDI scientific conference in Berlin in October 1932.Get Price
Your guide to safer boiler operation
2018/2/18 · These boiler question answers are selected by those peoples who passed the BOE, Energy Manager, Energy Auditor examination already . Let us discussed the top 17 boiler question answer you never know about it .Get Price
2. BOILERS - Bureau of Energy Efficiency
Your guide to safer boiler operation Steam boiler 1. Safety valve 2. Low-water cutoff 3. Water column blow-down valve 4. Pressuretrols (one is high-limit safety) 5. Steam pressure-gauge 6. Water column clean-out (cross tee) 7. Bottom blow-off and drain valve 8. LowGet Price
BOILER INTERVIEW QUESTION & ANSWER - ASKPOWERPLANT
2016/11/24 · BOILER INTERVIEW QUESTION & ANSWER Today we discussed about some multiple choice questions and answer related to power plant these questions are very helpful for which do preparation for B.O.E ( BOILER OPERATION ENGINEER ) EXAM. and also for ENERGY MANGER EXAM, and also for those people which prepared …Get Price
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