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  • Steam Boilers, Engines, Nozzles And Turbines MCQ Questions

    Learn Steam Boilers, Engines, Nozzles And Turbines MCQ questions & answers are available for a Mechanical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Steam Boilers, Engines, Nozzles And Turbines MCQ question is the important chapter for a Mechanical Engineering and GATE students.Get Price

  • The pre-purge of a boiler furnace: - Power Engineering MCQ

    Boiler dry-out means. Boiler boiling out procedure should be done. Before lighting up a boiler you should: 1) purge the furnace 2) open the blow down valve 3) check the fuel supply 4) fill the boiler with water. If a new boiler is not properly boiled out, it may result in. The first duty of the operator coming on shift is to. A boiler inspection.Get Price

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    Rinnai M-Series 120000-BTU Natural Gas Boiler. Rinnai M120CN residential condensing combination, natural gas boiler is compact, wall mounted designed for easy installation as a retro-fit to traditional less efficient boilers and can deliver whole house heating and domestic hot water heating for homes with up to three bathrooms.Get Price

  • BURNER MANAGEMENT SYSTEM - POWER PLANT …

    For units over about 200 MW capacity, redundancy of key components is provided by installing duplicates of the forced and induced draft fans, air preheaters, and fly ash collectors. On some units of about 60 MW, two boilers per unit may instead be provided. Boiler and steam cycle. In fossil-fueled power plants, steam generator refers to a furnace that burns the fossil fuel to boil …Get Price

  • Power Plant Interview Questions & Answers - Inst Tools

    1. Name the four major circuits in steam power plant. 2. What consists of air and flue gas circuit? Air and flue gas circuit consists of forced draught fan, air pre heater, boiler, furnace, super heater, economiser, dust collector, induced draught fan and chimney. 3.Get Price

  • Power Engineering and Boiler Operator | MATC

    Nov 16, 2021 · About the Power Engineering and Boiler Operator Diploma Description. Learn how to manage and repair equipment, to maintain facilities, and to operate and control low-pressure and high-pressure boilers and auxiliary systems in factories, plants and buildings.Get Price

  • [Solved] Air preheater in a boiler will be invariably

    Air preheater in a boiler will be invariably located between : A. Condenser and feed water pump: B. Water treatment plant and furnace: C. Boiler furnace and chimney: D. Economiser and feed pump: E. Forced draft fan and furnace: Answer» e. Forced draft fan and furnaceGet Price

  • Power Plant Engineering Mcq Questions Pdf - your

    17. The function of a condenser in a steam power plant is to (a) condense the large volume of steam to water to be used as boiler feed water. (b) receive the large volume of steam exhausted from the steam turbine. (c) maintain pressure below atmospheric so that maximum heat energy can be extracted from steam. (d) all of the above.Get Price

  • What is a boiler cycle? - AskingLot.com

    May 25, 2020 · Boiler "short cycling" occurs when an oversized boiler quickly satisfies process or space heating demands, and then shuts down until heat is again required. Process heating demands can change over time. A boiler cycle consists of a firing interval, a post-purge, an idle period, a pre- purge, and a return to firing.Get Price

  • ELECTRICAL ENGINEERING IMPORTANT MCQ-HEATING AND …

    Oct 28, 2016 · ELECTRICAL ENGINEERING IMPORTANT MCQ-HEATING AND WELDING. Harikesh Yadav. October 28, 2016; inside boiler furnaces (b) during melting of ice (c) through the surface of the insulted pipe carrying steam It is desirable to operate the arc furnaces at power factor of (a) zero (b) 0.707 lagging (c) unity (d) 0.707 leading Ans: b.Get Price

  • Power Engineering MCQ: Before lighting up a boiler you

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  • Boilers Test 2 Flashcards | Quizlet

    Boilers Test 2. With reference to ASME BPVC I, PG-71.3 If the discharge pipe of a safety valve should be separately supported it must be arranged to: Nice work! You just studied 40 terms! Now up your study game with Learn mode.Get Price

  • Power Engineering MCQ: Pressure explosions occur when a

    8. Blow off cock in a boiler is used to (A) Control the flow of steam from the boiler to the main pipe and to shut off the steam completely when required (B) Empty the boiler when required and to discharge the mud, scale or sediments which are accumulated at the bottom of the boiler (C) Put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limitGet Price

  • MCQs of Steam Boilers (Basic Mechanical Engineering

    Basic Mechanical Engineering (3110006) MCQs. MCQs of Steam Boilers. A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose is known as (a) superheater Get Price

  • What is a Boiler? Different Types of Boiler - Mechanical

    In externally fired boilers, the furnace is located outside the boiler shell. In this the furnace is arranged underneath in brick work setting. Water tube boilers are always externally fired boilers. 4. According to the Axis of the Shell. According to the axis of the shell, the boilers are classified as vertical boilers and horizontal boilers. (i).Get Price

  • Power Engineering MCQ: On a boiler fuel system having a

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  • Minimize Boiler Short Cycling Losses

    multiple boilers that are simultaneously operated at low-fire conditions offer energy-saving opportunities for using proper boiler allocation strategies. Boiler Downsizing Fuel savings can be achieved by adding a smaller boiler sized to meet average loads at your facility, or by re-engineering the power plant to consist of multiple small boilers.Get Price

  • MCQs of High Pressure Boilers (Power Plant Engineering

    Power Plant Engineering (2171910) MCQs. MCQs of High Pressure Boilers. Showing 21 to 30 out of 32 Questions Produce better steam quality by heating the boiler furnace above critical degrees (d) Eliminate the extra components used. Show Answer: Answer: Option (a) 28.Get Price

  • Air Preheaters in Boiler - Thermodyne Boilers

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  • Power Plant Engineering Mcq Questions Pdf - your

    Answer: (d) all of the above. SHOW ANSWER. 115. Huge quantity of water is required in a steam power plant. It is required. (a) to raise the steam in boilers. (b) for cooling purposes such as in condensers. (c) as a carrying medium such as in disposal of ash. (d) all of the above .Get Price

  • AmericanTechnicalPublishers-Low Pressure Workbook Answer

    In addition, furnace explosions can result MAWP of a given boiler is determined 40. The high and low re of the burner are from improper purging of the furnace by the ASME code. controlled by the modulating pressure after a ame failure, a leaking fuel valve control through the modulating motor. allowing fuel to enter the furnace, or the 30.Get Price

  • MCQ in Mechanical Engineering Law and Code of Ethics Part

    Dec 31, 2020 · MCQ in Mechanical Engineering Law and Code of Ethics Part 3 as part of Mechanical Engineering Board Exam (ME). For power boilers, each boiler shall have at least one safety valve and if it has more than 46.5 sq. m of heating surface or the generating capacity exceeds 910 kg/hr, it shall have ____ safety valves. Low pressure heating Get Price

  • What are the Boiler Accessories? - Mechanical Engineering

    Boiler Accessories: These are the devices which are used as integral parts of a boiler and which are helps proper operation & increases the efficiency of the boiler. It is used to deliver water to the boiler. A feed pump may be of centrifugal type or reciprocating type. But a double acting reciprocating pump is commonly used as a feed pump.Get Price

  • Multiple Choice Questions on Steam Boilers and Engines

    Multiple Choice Questions on Steam Boilers and Engines - Set 16 MCQ Estimating MCQ Fertilizer Tech MCQ Fluid Mechanics MCQ Fuels & Combustion MCQ Furnace Tech. MCQ Heating MCQ Highway Engineering MCQ HMT MCQ HTML MCQ Passive Filters MCQ Petroleum Refinery MCQ Plant Design MCQ Polymer Tech. MCQ Polyphase Ind Motors MCQ Power …Get Price

  • boiler purge cycle-Zhengzhou Boiler CO.,LTD

    HOW TO CONTACT. E-mail [email protected] Tel 0086-371-86062323. Fax 0086-371-67838093. Skype 17719993430. Whatsapp +86 17719993430. Add Zhengzhou,Henan,China.Get Price

  • Steam boiler objective questions (mcq) and answers

    This contains 20 Multiple Choice Questions for SSC Power Engineering - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Power Engineering - 1 quiz give you a good mix of easy questions and tough questions. SSC students definitely take this Power Engineering - 1 exercise for a better result in the exam.Get Price

  • 250+ TOP MCQs on Water Tube Boilers and Answers

    250+ TOP MCQs on Water Tube Boilers and Answers. Power Plant Engineering Multiple Choice Questions on "Water Tube Boilers". 1. In a glass rube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to ________________. a) chimney. b) water space. c) steam space.Get Price

  • What are Boilers and Their Types? - Engineering Choice

    What Is a Boiler? A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central heating, boiler-based power generation, cooking, and sanitation.Get Price

  • POWER PLANT ENGINEERING (UNIT-1)

    Nov 16, 2018 · Essentials of Steam Power Plant Equipment: A steam power plant must have following equipment : (a) A furnace to burn the fuel. (b) Steam generator or boiler containing water. Heat generated in the furnace is utilized to convert water into steam. (c) Main power unit such as an engine or turbine to use the heat energy of steam and perform work.Get Price

  • ITI Boiler Operator Questions and Answers | MCQ Objective

    Jun 23, 2021 · 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

  • Steam Boilers MCQs with Answers - Set 24 - ObjectiveBooks

    A boiler furnace pre-purge Superheater vents are usually opened before firing a boiler to Boiler dry-out means Boiler boiling out procedure should be done Before lighting up a boiler you should: 1) purge the furnace 2) open the blow down valve 3) …Get Price

  • What is the reason for furnace purging in a CFB boiler

    Answer (1 of 4): Furnace purging refers to the clearing of the entire flue gas path for any combustibles that are leftover in the furnace. This clearing function is accomplished by ambient air. This is a mandatory safety requirement before ignition of …Get Price

  • Power Plant Engineering MCQ Questions & Answers

    Power Engineering MCQ Power Engineering Chapter 64 Before lighting up a boiler you should: 1) purge the furnace 2) open the blow down valve 3) check the fuel supply 4) fill the boiler with water Before lighting up a boiler you should: 1) purge the furnace 2) open the blow down valve 3) check the fuel supply 4) fill the boiler with waterGet Price

  • Why do we purge the boiler before a startup? - Quora

    Answer (1 of 6): Ejaz Hussain: Purging airflows ensures that any flammable vapors or gases that might have entered the furnace during shutdown are cleared. Before you start up your furnace, give it a few minutes and let it breathe. Why must the boiler be …Get Price

  • John Inglis Boiler operation | Power Engineering

    Procedures for starting & stopping the John Inglis boiler in SAIT's power engineering lab. This checklist is currently correct (as of October 18, 2014), but may be subject to change in the future. Start-up (pre-checks) Check steam pressure. If performing a cold start in which boiler pressure is zero, open the air vent.Get Price

  • 300+ TOP Thermal Power Plant Objective Questions and Answers

    a) Cool the steam let out by the turbine in the thermal power station. b) Cool the hot gases coming out of boiler. c) Forces the air inside the coal furnace. d) Pull the gases out of furnace. Ans: d. 13. Generally the speed of turbine generators employed in …Get Price

  • Boiler Purge Causes Explosion | Martin Thermal Engineering

    Nov 09, 2016 · Boiler Purge Causes Explosion. During a recent explosion investigation, this author discovered a new failure mode that is not sufficiently addressed in NFPA's trio of industrial heating equipment standards (NFPA 85, NFPA 86, and NFPA 87) that cover Boilers, Ovens, and Fluid Heaters, respectively. The failure mode occurs only in heating Get Price

  • A boiler furnace pre-purge - Power Engineering MCQ

    A boiler furnace pre-purge Power Engineering Chapter 64 A boiler furnace pre-purge a) is the shortest step in the start-up sequence b) can take place normally even if there is a low water condition c) must be done manually on a fully automatic boiler d) must last a specific amount of time e) will take place at the end of a boiler shutdown Answer: DGet Price

  • Boiler Eff 01 | Combustion | Boiler

    Boiler Efficiency. Introduction Prof. M. M. Sorour Faculty of Engineering Alexandria University. 4/11/20082006 What do you mean by boiler load? It refer to the total demand imposed upon the boiler by the equipment and its connecting piping system when there is the greatest requirement (usually at the time of start- up) 4/11/20082006 What do you mean by boiler rating?Get Price

  • Power Engineers, Boiler, Pressure Vessel and Refrigeration

    Definitions for the Act. 1 For the purposes of the Act: "boiler" means a vessel in which, by the application of heat, (a) gas, steam or vapour is capable of being generated and pressurized, or (b) a liquid is capable of being pressurized or heated and includes fittings and boiler external piping associated with the vessel; "boiler system" means a power plant, heating plant, low …Get Price

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