Multiple Choice Questions on Steam Boilers and Engines 11. If partial pressure of air and steam be pa and ps respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to
Nov 24, 2016 · IBR Steam Boilers means any closed vessel exceeding 22.75 liters in capacity and which is used expressively for generating steam under pressure and includes any mounting or other fitting attached to such vessel,which is wholly or partly under pressure when the steam is shut off.
Steam is an invisible gas that's generated by heating water to a temperature that brings it to the boiling point. When this happens, water changes its physical state and vaporizes, turning from a liquid into a gas. 2 Explain the following terms: - Latent heat - The heat energy required to turn water into a vapor.
Jun 14, 2018 · This will increase the boiler size installation cost. If you have questions on this, call us at 866-659-3927. Check all the main piping for insulation. You should include pipe insulation. Steam boilers should never operate without main pipe insulation. The main steam lines should be insulated with a minimum of 1” pipe insulation.
The factor of evaporation for all boilers is always greater than unity. B. The amount of water evaporated in kg per kg of fuel burnt is called equivalent evaporation from and at 100° C. C. The ratio of heat actually used in producing the steam to the heat liberated in the furnace is called boiler efficiency. D. none of the above
This is because the system identifies a transient high demand for steam before it has any effect on the boiler water level, and therefore starts to put extra water into the boiler in anticipation of demand. In this control philosophy, there are three process variables. 1. Boiler Level, 2. Feed water flow and 3. Steam Flow to control boiler Drum Level.
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
Classification of Steam Boilers. Boilers therefore can be classified based on firing type, fuel used, construction type, circulation type, firing system design nature, and nature of steam application. Today’s steam generating systems owe their dependability and safety to more than 125 years of experience in the design, fabrication, and operation of water tube boilers.
Sep 27, 2019 · So track the opportunities to work as Boiler operator, Boiler Mechanistic, Boiler engineer in the Industrial sectors and so on by looking into Steam Boiler job interview question and answers given.
Aug 22, 2018 · Steam boiler efficiency depends upon the size of boiler used. A typical efficiency of steam boiler is 80% to 88%. Actually there are some losses occur like incomplete combustion, radiating loss occurs from steam boiler surrounding wall, defective combustion gas etc. Hence, efficiency of steam boiler gives this result.
Multiple Choice Questions on Steam Boilers and Engines - Set 16 MCQ Steam Boilers Edit Practice Test: Question Set - 16. 1. The air pressure at the fuel bed is
What is a steam boiler? What are the uses of a steam boiler? What does the steam boiler compose of and how does it work? These are some of the questions whose basics are being tested in this quiz.
Boiler Basics Quiz. Boilers Basics Practice Quiz Questions Answers ) Search for: Related Pages. Home; HVAC Basics. Heat Transfer Quiz Questions ; Ozone Layer
Jul 16, 2019 · Now to answer your other question regarding fuel. Yes, if you draw more steam from a boiler you will have to increase the fuel supply. With a packaged boiler the increase in steam draw will result in the pressure dropping inside the boiler.
Many different industries use High-Pressure boilers for central heating systems and many other applications. The water in boilers is used to produce steam which generates energy for other processes. High-pressure boilers require specialized care to operate.
In answer to the down fired question -- yes, many times that is the case. In fact, most boilers will have a range of firing rates over which they will give good combustion and efficiency. As to review opinions um. Well, if these are internet available opinions, I would treat them with a great deal of skepticism.
Boiler Questions and Answers. Question: Cavitation in a two flow line. We have a steam genereting facilty using process heat. 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.
Boiler Question and Answers. you will find here the large collection of solved Steam Boiler Question and Answers MCQs for Boiler Licensing Examination. Power plant , thermodynamics and Mechanical engineering Questions with answers in pdf are available to test your knowledge. Boiler & Mechanical Engineering Question Book. Download.
The Following Section consists of Steam Boilers and Engines Questions on Physics. Take the Quiz and improve your overall Physics.
>Steam Boiler >Steam Engine >Steam Turbine >Thermodynamics; Power Plant >Thermal Power Plant >Nuclear Power Plant >Hydro Electric Power Plant; MCQ. Mecahanical Engineering; Electrical Engineering >Electronics Engineering
Sep 10, 2017 · According the boiler rule act 1923 “ boiler is a closed vessel exceeding 22.75 liters in capacity which is used expressly for generation of steam under pressure and including any mounting or other fitting attached to such vessel , which is wholly and partilly under pressure when steam is shut off .
Questions and answers related to Boilers Super-heater is used to super heat the steam and get higher thermal Efficiency of the plant. Some questions come up
Oct 13, 2015 · Boiler blow down is made to reduce the density of salt and to remove the dissolved and suspended solids, also the floating solid impurities in the boiler system. If there are not removed from the boiler water system, foaming, priming, corrosion will occur in the boiler steam space and feed water system. See ‘Boiler Blow Down’.
The nozzle efficiency is the ratio of. (A) Workdone on the blades to the energy supplied to the blades. (B) Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam. (C) Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam.
Sep 19, 2013 · Question: Steam valves open causing a sudden large load I have two 82,000 lb/hr natural gas fired boiler that is designed for 300 psig and operating at 205 psig (saturated). The boilers serve a large campus with numerous buildings, each with an integrated building management control system.
Steam Boilers, Engines, Nozzles And Turbines MCQ question is the important chapter for a Mechanical Engineering and GATE students. 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.
Boiler Operator Interview Questions In this position you will be responsible for working on low-pressure boilers and high-pressure boilers, power boilers, steam
Size is definitely going to be a factor when choosing a boiler, and bigger isn’t necessarily better. In fact, Miura’s smaller, modular boilers are easier to fit into your steam plant or boiler room. With smaller boilers, it’s easy to add an extra one to your system later on if your steam needs increase.
Boiler Operator Interview Questions & Answers. As a Boiler operator, you will be responsible for controlling the heating system in the boilers, engines and mechanical rooms of large buildings. You can also learn to maintain the various boiler equipments such as power boilers, high-pressure boilers and water heating boilers on a routine basis.
The heart of an industrial boiler system is a hot water or steam boiler operated with a certain kind of fuel. The boiler heats up or evaporates the water inside it, which is then transported to the consumers via pipe systems. In case of hot water the transport energy is generated by pumps, in case of steam the transport is based on inherent pressure.
Boiler blowdown. A steam boiler evaporates liquid water to form steam, or gaseous water, and requires frequent replenishment of boiler feedwater for the continuous production of steam required by most boiler applications. Water is a capable solvent, and will dissolve small amounts of solids from piping and containers including the boiler.
• High pressure - Steam boilers above 15 psi. Hot water boilers above 160 psi (hydrostatic pressure) and/or 250 0 F outlet temperature . 4 . When Cleaver-Brooks or any other boiler manufacturer build a boiler, the pressure vessel must be built in accordance with ASME\ഠcodes. The code dictates the materials, processes and design of the pressure vessel.
Steam boilers are a common way to heat buildings across the United States, and gas fired steam boilers are the most popular type. Shop our wide selection of gas fired steam boilers from the top manufacturers in the industry.
Frequently Asked Questions Ordering. Are compact electric steam boilers available? How do I calculate the power requirement for an electric boiler?
You can easily solve all kind of Mechanical Engineering questions based on Steam Boilers and Engines by practicing the objective type exercises given below, also get shortcut methods to solve Mechanical Engineering Steam Boilers and Engines problems.
Sep 26, 2017 · Steam. Hot water boilers don’t actually “boil” water. They heat water to 140-180 degrees Fahrenheit. An electrical pump is needed to push that hot water throughout the home. Steam boilers, on the other hand, heat water past the boiling point to produce steam. The steam is then distributed throughout the home via radiators or radiant floor systems.
What to study for Second Class Fireman's License : The preparation of a boiler for inspection. Proper procedure for startup of boiler auxiliaries such as: motor-driven boiler feed pumps, reciprocating steam pumps, draft fans, etc. and their normal operation. Purpose and operation of safety valves.
About Boiler Operator. The best way to get first-hand experience is by completing an apprenticeship program. Electric shocks and exposure to extreme temperatures and loud noises are some of the risks inherent in this role. In addition to asking you various questions to test your interest in the job and your job knowledge,