which answer water tube boilers

High Pressure Boilers Types - sanfoundry.com

Apr 05, 2018· Explanation: A Lamont boiler is a forced circulation water tube boiler. In which the boiler water is circulated through an external pump through long closely spaced tubes of small diameters. The mechanical pump is employed to get an adequate and positive circulation in steam and hot water boilers.

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Operation of water tube boilers explained

Water tube boilers are the most widely used boilers. These type has replaced many boilers, including the fire tube type, mainly because of the following reasons : The weight of the water tube boiler is much less than any type of boiler of equivalent size. Steam raising and

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Water-tube boiler - chemeurope.com

A water-tube boiler is a type of boiler in which water circulates in tubes which are heated externally by the fire. Water-tube boilers are used for high-pressure boilers. Fuel is burned inside the furnace, creating hot gas which heats up water in the steam-generating tubes.In smaller boilers, additional generating tubes are separate in the furnace, while larger utility boilers rely on the

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Steam boiler objective questions (mcq) and answers

Steam boiler | Steam boiler Objective Type Questions and answers; 1. Which of the following boiler is best suited to meet the fluctuating demand of steam.. A. Locomotive boiler. B. Lancashire boiler. C. Cornish boiler. D. Babcock and wilcox boiler

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Power Plant Questions and Answers – Evaporation, Boiler

Jun 14, 2017· This set of Power Plant Engineering Multiple Choice Questions & Answers (MCQs) focuses on "Evaporation, Boiler Blowdown and Steam Purity". 1. When the circulation of water, in a boiler, is by a centrifugal pump, then the boiler is known as a) forced circulation boiler b) externally fired boiler c) naturally circulation boiler

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Power Engineering 4th Class Chapter 140 Flashcards | Quizlet

A tube beading tool is used: Choose one answer. a. On water tube boilers b. On fire tube boilers c. To fasten the stays in the tube sheet d. To cut fire tubes e. To unfasten fire tubes from the tube sheet.

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BOILERS Flashcards | Quizlet

Water tube boilers. water flowing through tubes is heated by combustion gases that fill the furnace and heat the outside metal surfaces of the tubes; Most shipboard main propulsion and utility plant boilers are water tube boilers. Natural Circulation.

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BOILER BASICS AND TYPES OF BOILERS, DIFFERENCES

boiler basics and types of boilers, water tube boiler and fire tube boiler. what is a boiler and its types, smoke tube boiler and water tube boiler. advantages and disadvantages of it. wet back design,

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BOILER INTERVIEW QUESTION & ANSWER - askpowerplant.com

Nov 24, 2016· 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. In water tube boilers the water passes through the tubes and the hot gases passes out side the tubes where as in

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Fire Tube vs. Water Tube Boilers - Honiron Manufacturing

Dec 07, 2016· Water Tube Boilers. Unlike fire tube boiler, where the hot gas is circulated through tubes to heat water in a tank, water tube boilers involve running water through tubes surrounded by a heated tank. These types of boiler are generally considered safer than fire tube designs and typically require less frequent maintenance.

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Boiler Test Flashcards - Flashcard Machine - Create, Study

Oct 13, 2016· Boiler Test. Description. Chicago Staionary Engineers Boiler Operators Exam. Total Cards. 160. Subject. Engineering. The steam and water drum of water tube boilers is dished (concave) to eliminate the need for: Answer American society of mechanical engineers (ASME)

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Chapter 9 Boilers - NAVY BMR

A boiler is an enclosed vessel in which water is heated and circulated, either as hot water or steam, to produce a source for either heat or power. A central heating plant may have one or more boilers that use gas, oil, or coal as fuel. The steam generated is used to heat buildings, provide hot water, and provide steam for cleaning, sterilizing,

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What is two pass boiler? | Yahoo Answers

Feb 18, 2009· Answers. Fire tube boiler, Water tube boiler, Packaged boiler, Fluidized Bed Combustion Boiler etc. In fire tube boiler, hot gases pass through the tubes and boiler feed water in the shell side is converted into steam. Fire tube boilers are generally used for relatively small steam capacities and low to medium steam pressures.: : 4Solved: 1. (a) Explain The Differences Between Fire-tube B https://1. (a) Explain the differences between fire-tube boilers and water-tube boilers with respct to the following: • construction • operation • main mechanisms of heat transfer • properties and uses of steam produced. (b) Discuss the major factors which affect the choice of boiler type for particular applications.

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BOILER QUESTIONS AND ANSWERS - Blogger

Sep 19, 2013· Question: Emegency low water level in the boiler. The condenser is a vertical condenser with process vapours on tube side and boiler feed water on shell side. The outlet of the shell side is a two phase flow. Pipe thickness reduction of the shell side outlet pipe is observed for last couple of years. We replace the piece of pipe every one year.

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water tube boilers - ASTM (testing materials) Code Issues

Feb 05, 2006· The first answer to your question can be answered. Basically, the cause of sagging or warpage in SH tube elements can be from either higher than normal tube metal temperatures that allows the elements to permanently deform or creep at elevated temperature, or failed assembly supports or fouled assemblies that increase bending forces on the assemblies resulting in creep of the material.

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High Pressure Boilers Flashcards | Quizlet

Fire tube boiler with three tube sheets and a turnaround chamber, with a water leg formed between the rear tube sheet an chamber. Water tube boilers are designed to work as high as. 3206 psi.

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Boiler Test Flashcards - Flashcard Machine - Create, Study

Oct 13, 2016· Boiler Test. Description. Chicago Staionary Engineers Boiler Operators Exam. Total Cards. 160. Subject. Engineering. The steam and water drum of water tube boilers is dished (concave) to eliminate the need for: Answer American society of mechanical engineers (ASME)

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Mechanical Engineering - Steam Boilers and Engines

This is the mechanical engineering questions and answers section on "Steam Boilers and Engines" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

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Boiler operation engineering questions and answers pdf

Boiler operation engineering questions and answers pdf by chattopadhyay best book i ever read. Recommended from boilersinfo. you must read this book. almost every topic of boiler engineering is included. The book has been expanded to accommodate six more chapters: • Upgrading PC-Fired Boilers • Low NOx Burners • Emissions Control • Cooling Water Treatment and

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Water Tube Boilers - AutomationWiki

Water Tube Boilers. In water tube boiler systems, the water to be heated is enclosed inside the boiler tubes whereas the hot combustion gases exhausted by the burner keep circulating around the tube surfaces. The water within the tubes then gets heated via

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