Boilers amp Pressure Vessels Office of the State Controller

Boilers amp Pressure Vessels Office of the State Controller

  • BOILER PROBLEMS - SlideShare

    BOILER PROBLEMS. 5. Sludge and Scale Formation In Boilers In a boiler, water is continuously evaporated to form steam .This increases the concentration of dissolved salts Finally a stage is reached when the ionic product of these salts exceeds their solubility product and hence they are thrown out as precipitates.Get Price

  • [Solved] High steam and low water safety valve is not used on which of the following boiler?

    The pressure of steam generated in a boiler as recorded by the Bourdon pressure gauge was 2.2 kg/sq-cm. If the barometer reads 774 mm of mercury the absolute pressure of steam would be If a steam injector lifts the water but fails to force it into the boiler, the trouble may not be due toGet Price

  • High pressure boilers (1) - SlideShare

    Thus, a boiler operation at high pressure will require less heat addition for steam generation. 3.1 Features of High pressure Boilers High-pressure boilers have the following features: Forced circulation of water – in all modern high-pressure boilers, the forceGet Price

  • Solved Q2: Choose the correct answer: (25 Marks) 1- For a | …

    Q2: Choose the correct answer: (25 Marks) 1- For a Rankine cycle, which of the following is true? a) a reversible constant pressure heating process happens in steam boiler. b) reversible adiabatic expansion of steam in turbine. c) reversible constant pressure heat rejection in condenser. d) all of the mentioned.Get Price

  • SOLVED: Steam Generators | Thermal Engineering | Numerade

    Consider the following statements: 1. Boiler mounting are mainly protective devices. 2. Steam stop valve is an accessory. 3. Feed-water pump is an accessory. Of these statements: (a) 1,2, and 3 are correct (b) 1 and 2 are correct (c) 2 and 3 are correct (d) 1 and Get Price

  • Boiler Fittings and Mountings | Spirax Sarco

    Boiler stop valves. A steam boiler must be fitted with a stop valve (also known as a crown valve) which isolates the steam boiler and its pressure from the process or plant. It is generally an angle pattern globe valve of the screw-down variety. Figure 3.7.3 shows a typical stop valve of this type.Get Price

  • Solved Question One (Choose the correct answer) 1. The path | Chegg…

    Solved Question One (Choose the correct answer) 1. The path | Chegg.com. Question One (Choose the correct answer) 1. The path followed in a vapor power cycle is: a) boiler-condenser-turbine-pump b) boiler-turbine-condenser-pump c) boiler-turbine-pump-condenser d) boiler-pump-turbine-condenser 2. For a Rankine cycle, which of the following is true?Get Price

  • [Solved] Which of the following is a boiler accessory?

    Within the boiler, the temperature of steam is highest in "It is impossible to construct a heat engine which operates in a cycle and receives a given amount of heat from a high temperature body and does equal amount of work".Get Price

  • Engineering Chemistry UNIT-1-WATER CHEMISTRY

    in the boiler shell is called caustic embrittlement. It is a type of boiler corrosion, caused by highly alkaline water in the boiler. In lime-soda process, it is likely that, some residual Na 2 CO 3 is still present in the softened water This Na 2 CO 3 2 NaGet Price

  • Steam Boiler: What Is It? How Does It Work? Types Of

    A steam boiler is a steam producing heating system; it produces energy by heating water to create steam. A steam boiler burns fuel to heat water. The combination of heat and water produces steam. Steam boilers are defined by their construction, portability, types of tubes, types of fuel, and the pressure they produce.Get Price

  • [Solved] Which of the following units requires a boiler, a …

    Boiler: The heat of the combustion of coal in the boiler is utilized to convert water into steam at high temperatures and pressure. Superheater: The steam produced in the boiler is wet and is passed through a superheater where it is dried and superheated by the flue gases on …Get Price

  • 250+ TOP MCQs on Steam Generators – Classification of Boilers …

    Clarification: Boilers with production of steam below 80 bar of pressure are call low pressure boilers. Lancashire boiler is a low pressure boiler while the rest of given options are high pressure boilers. 7. Which of the following statement is FALSE about boilers?Get Price

  • TOP 50 BOILER ATTENDANT QUESTION & ANSWER FOR EXAMINATION …

    2017/11/19 · TOP 50 BOILER ATTENDANT QUESTION & ANSWER FOR EXAMINATION In this article we discussed about TOP 50 BOILER ATTENDANT QUESTION & ANSWER FOR EXAMINATION, these question answers are very helpful for who preparing for BOE EXAMINATION, also who preparing for the Energy manager or Energy auditor exam . all of …Get Price

  • Solved 5. The impurities are removed from boiler with the | …

    Engineering Mechanical Engineering Mechanical Engineering questions and answers 5. The impurities are removed from boiler with the help of a. Safety valve b. Blow off cock c. Stop valve d. Fusible plug 6. Which of the following is used to heat the feed water by usingGet Price

  • [Solved] Which of the following is a type of high-pressure boiler?

    Cornish boiler. Cochran boiler. Locomotive boiler. Lancashire boiler. Scotish marine boiler. Water Tube Boiler: In this boiler, the water is present inside the tubes and the hot flue gases surround them. They are high-pressure boilers and the operating pressure is about 250 bar. Stirling boiler. Babcock and Wilcox boiler.Get Price

  • Engineering Chemistry UNIT-1-WATER CHEMISTRY

    What is a high pressure boiler? What is its range? - QuoraGet Price

  • Steam Boilers: Classification and Selection | Mechanical Engineering

    In this article we will discuss about:- 1. Introduction to Steam Boiler 2. Classification of Steam Boiler 3. Selection of Steam Boiler 4. The steam generated is used for the following purposes: (a) For generating power in thermal power plant (b) For heating a buildingGet Price

  • [Solved] Which of the following valve is installed between the boiler …

    Within the boiler, the temperature of steam is highest in A scavenging pump is used in When a bicycle pump is operated slowly the process of compression will be nearly The air standard efficiency of a turbine cycle is 57%. Which one of the following may beGet Price

  • 250+ TOP MCQs on Types of High Pressure Boilers – 2 and …

    250+ TOP MCQs on Types of High Pressure Boilers – 2 and Answers. Energy Engineering test focuses on "Types of High Pressure Boilers – 2". 1. Which of the given boilers velocity of flue gases is greater than velocity of sound? A. Benson boiler. B. La-Mont boiler. C. Schmidt-Hartmann boiler.Get Price

  • Solved 10 mp high-pressure turbine low-pressure turbine low- | …

    Transcribed image text: 10 mp high-pressure turbine low-pressure turbine low- pressure boiler мне 5 high- pressure me boiler condenser RX - WPUMP feedwater heater pump The sketch shows a steam power cycle similar to the one used at …Get Price

  • The Heat Balance and Efficiency of Steam Boilers

    The efficient utilization of fuel in steam boilers is primarily determined by the following three factors : Complete combustion of the fuel in the furnace Deep cooling of the combustion products 2 during their passage through heating surfaces. Minimization of heat lossesGet Price

  • Book Num Ans Question Answer A Answer B Answer C Answer D …

    boiler gage glass, which of the following actions must be carried out immediately? Increase the feedwater going to the boiler. Check the DC heater water level. Blowdown the boiler. Secure the boiler fires. 13 9 D The item labeled "C" in the illustration, is the Get Price

  • Multiple Choice Questions on Steam Boilers and Engines

    Boiler Mountings - Functions, Parts, Diagram, WorkingGet Price

  • 1. ENERGY PERFORMANCE ASSESSMENT OF BOILERS

    Boiler Efficiency by indirect method = 100 Π(L1 + L2 + L3 + L4 + L5 + L6 + L7 + L8) The following parameters need to be measured, as applicable for the computation of boiler effi- ciency and performance.Get Price

  • HEAT AND MASS TRANSFER Solved Problems By Mr. P. …

    Solved Problems By Mr. P. Raveendiran Asst. Professor, Mechanical Heat and mass Transfer Unit I November 2008 1. Calculate the rate of heat loss through the vertical walls of a boiler furnace of size 4 m by 3 m by 3 m high. The walls are constructed from an Get Price

  • [Solved] Which of the following is not a high pressure boiler?

    Which of the following enters the super heater of a boiler? In case of oil fired boiler, the excess air is usually In a boiler, the carry over of slugs of water into the piping due to dirty water is termed as Pulverized coal is fed to the boiler through Water is fed to theGet Price

  • [Solved] QUIZ NO. 3 () REGENERATIVE CYCLE WITHOPEN …

    Answer the following: fill up the blanks in the items below: 1. Equipment layout and TS diagram for the cycle 2. Actual mass of steam bled into the open heater m1'= _____kg/kg for the heater nearest to the SGU/boiler and 3.Get Price

  • [Solved] Which of the following is a high-pressure boiler?

    In all modern power plants, high-pressure boilers (> 80 bar) are universally used as they offer the following advantages: The efficiency and the capacity of the plant can be increased as a reduced quantity of steam is required for the same power generation if high-pressure steam is used. The forced circulation of water through boiler tubes Get Price

  • Boiler Mountings - Functions, Parts, Diagram, Working

    Boiler Mountings - Functions, Parts, Diagram, WorkingGet Price

  • Which of the following is a low pressure boiler - Examveda

    Which of the following is a low pressure boiler a) Babcock and Wilcox b) Cochran c) Velox d) Lamont Though ULIPs (Unit Linked Insurance Plan) are considered to be a better investment vehicle it has failed to capture the imagination of the retail investors in India Get Price

  • Which of the following is the most detrimental for water used in high pressure boiler…

    Which of the following is the most detrimental for water used in high pressure boiler? A. Silica. B. Turbidity. C. Phenol. D. Dissolved oxygen. Answer: Option A.Get Price

  • [Solved] Which of the following is a type of high-pressure boiler?

    Cornish boiler. Cochran boiler. Locomotive boiler. Lancashire boiler. Scotish marine boiler. Water Tube Boiler: In this boiler, the water is present inside the tubes and the hot flue gases surround them. They are high-pressure boilers and the operating pressure is about 250 bar. Stirling boiler. Babcock and Wilcox boiler.Get Price

  • Unit 80 Hydronic Heating Systems Flashcards | Quizlet

    Start studying Unit 80 Hydronic Heating Systems. Learn vocabulary, terms, and more with flashcards, games, and other study tools. A piping system that has the main supply pipe from the boiler enter the first baseboard unit, all baseboard sections connected in Get Price

  • 2. BOILERS - Bureau of Energy Efficiency

    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

  • [Solved] Which of the following is an accessory for a boiler?

    in the boiler shell is called caustic embrittlement. It is a type of boiler corrosion, caused by highly alkaline water in the boiler. In lime-soda process, it is likely that, some residual Na 2 CO 3 is still present in the softened water This Na 2 CO 3 2 NaGet Price

  • What is a high pressure boiler? What is its range? - Quora

    Answer (1 of 3): A boiler is a machine intended to warm water and produce energy. The warmth is applied to water in an encased compartment prior to being appropriated all through the framework. The significant contrast between a low-pressure and a high-pressureGet Price

  • Regn No: Name

    c) increases boiler output d) increases boiler blow down 9. Chemical used for dozing in boiler drum to reduce dissolved gases is a) hydrazine b) chlorine c) alum d) all of the above 10. Which of the following is not aGet Price

  • U.S.C.G. Merchant Marine Exam Chief Engineer – Limited Q605 …

    Q605 Steam Plants U.S.C.G. Merchant Marine Exam Chief Engineer-Limited Illustrations: 4 Choose the best answer to the following Multiple Choice Questions: 1. One advantage of installing water wall tubes in a boiler furnace is to _____. o (A) reduceGet Price

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