Sample Test Questions for Written Steam Boiler Operator Examinations The following are samples of questions for the five classes of steam boiler operator certification. These questions are not the same questions an applicant will find on an examination but only samples. The "Class IV" examination may include test questions relevant to the "Class V" examination.
The automatic non-return valve on a boiler being cut in on a line should be open to when the steam pressure on the boiler reaches: 75% to 85% of the line pressure. Exam 11: Steam Boiler Operation. Definition. Term. It is good operating procedure to test the safety valve on an incoming boiler by hand
Oct 16, 2020 · 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. Do you think you have what it takes to operate them and understand their use? Take up this test to find out!
Aug 26, 2020 · 14. The steam drum air vent is normally opened when cooling down a boiler to. A. Relieve any residual air pressure in the drum. B. Prevent a vacuum from forming in the steam drum. C. Reduce the pressure in the steam drum more rapidly.
C:Tassie SteamN01basicboiler Answers.docx P 5 10 Describe the checks that need to be carried out in a boiler house and around boiler after an outage for maintenance work, before firing of the boiler …
Boiler Operator - 327760 Practice Tests 2019, Boiler Operator technical Practice questions, Boiler Operator tutorials practice questions and explanations.
Best 25 question and answer for boiler first and second class operator
Question: QUESTION 4 (Steam Generators) In A Boiler Trial, The Following Observations Were Made. Barometer Reading 749.3 Mm Hg Boiler Gauge Temperature = 8.58 Bar Hot Well Temperature = 50°C Temperature Of Boiler House = 28°C Steam Condensed Per Hour = 486.26 Kg Moisture In Fuel = 2% By Mass Mass Of Flue Gas Per Kg Of Fuel = 17.8 Kg Coal Used Per Hour = 57.38
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.
MCQs: Steam Boilers, Engines, Nozzles & Turbines Mcqs - Mcqs Clouds is a portal which provide MCQ Questions for all competitive examination such as GK mcq question, competitive english mcq question, arithmetic aptitude mcq question, Data Intpretation, C and Java programing, Reasoning aptitude questions and answers with easy explanations.
Jun 09, 2021 · 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.
Click for easy access to results in different languages
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 reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Practice Test: Question Set - 07 1.
Question 11. Our 1,200,000 lb/hr steam boiler normally operates at around 3% excess O2 or 15% excess Air. If it operated at 3% excess O2 what would be the approximate % boiler efficiency loss? Answer. The term Boiler efficiency is a generic term that could mean many things.
Choose the best answer to the following Multiple Choice Questions . 1. The steam drum in a D-type marine boiler _____. o (A) acts as a receptacle for heavy suspended solids in boiler feedwater o (B) supports the superheater tube bank o (C) maintains circulation by forcing steam bubbles downward in the generating tubes
Steam Boiler Quiz - ProProfs Quiz
May 07, 2015 · 250+ Steam Boilers Interview Questions and Answers, Question1: What is the function of a Boiler? Question2: Briefly explain the Boiler mounting, and name its classifications? Question3: What is a valve? Question4: Discuss the function of Safety, Stop, and Feed check valves? Question5: What is meant by a piston and cylinder?
Top 50 Boiler Information Booster Question Answers
Question 1: The percentage by weight of steam in a mixture of steam and water is called the .  (a) Moisture Percentage (b) Moisture Quality (c) Quality of Steam (d) Heat Effectiveness (e) All of the Above (f) None of the AboveQuestion 2: The weight of saturated steam is a factor dependent upon the .  (a) Density (b) Temperature (c) Pressure
Question: Boiler pressure In tanker vessels we use boilers for cargo heating. Lets say that steam pressure to deck line adjusted to 5 bar. What will be most economical? Boiler pressure adjusted to 7 bar or to 16 bar ? Answer: The higher pressure would be advantageous if the boiler is oil-fired, but the difference is hardly measurable.