What is a boiler - Study guides, Class notes & Summaries

The minimum blowdown for a spring loaded safety valve shall be of what percent of set pressure? Correct Answer 10% How is the main steam pressure gages tested? Correct Answer With an inspectors gage Who is in charge of the code for any plumbing installations? Correct Answer The nyc plumbing code When will anchorage or guides be inspected? Correct Answer Annually How many brass washout plugs does a miniature boiler have? Correct Answer 3 brass washout plugs, 1" in size How often i...

What is the first thing a tech should do when arriving at a no combustion call? - Answer- Ask how many times the customer reset the unit. What is the best long term solution for preventing a clogged nozzle? - Answer- -Remove any underground storage tanks. -Install a quality oil filter. -Cut the suction line 10" above the tank outlet to prevent sludge. Hot water and steam valves are interchangeable. - Answer- False When in the presence of a flame, a cad cell normally reads.. - Answe...

CMIT Exam (200 multiple choice) Questions with Verified Answers A CM's role and responsibilities are governed solely by the Owner/CM Agreement. True False - CORRECT ANSWER True There are two basic forms of CM, agency and at-risk. Each form provides for the basic services of construction management practice. However, there are some key differences. Which of the following do not apply to both CM forms? A) Both forms provide advice to the owner on constructibility, budget and the schedule....

California Commercial Insurance Exam Questions and Answers 100% Pass What is a Modular Policy? - Correct Answer ️️ -A modular policy is a policy consisting of several different documents, none of which by itself forms a complete contract. What is a Commercial Package Policy (CPP)? - Correct Answer ️️ -A Commercial Package Policy is a modular policy that combines different forms and more than one line of coverage. What must a CPP policy consist of? - Correct Answer ️️ -A Declar...

CSST EXAM PREP (Notes for the California CSST EXAM) QUESTIONS WITH 100% CORRECT SOLUTIONS. What is Title 8 CCR 5208 and 29 CFR 1910.1001? -Answer-General Industry What is plenum space? -Answer-An enclosed space that is used for airflow. Example: the area above a drop ceiling. What is fibrosis? -Answer-formation of scar tissue in the lungs What is mesothelioma? -Answer-Cancer that arises from the mesothelial cells of the pleura is caused by asbestos fibers What is Asbestosis -Answer-Asbe...

What are the 3 funtions of an Oil Burner nozzle? - Answer- Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - Answer- Line & Low. What is the function of a fuse? - Answer- Protect circuit. What is the High Limit cut out? - Answer- Max safe Temp or Pressure setting. What is the High Limit cut in? - Answer- Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - Answer- 45 Seconds. What is the minimum stack ...

Which type of heat transfer takes place by actual physical contact, from molecule to molecule, without displacing the molecules? correct answer: Conduction When designing a boiler, special consideration must be given to heat transmission by... correct answer: Radiation, Conduction and Convection If a boiler produces saturated steam at 212°F at atmospheric pressure, what quantity of heat needs to be added to 10 lbs of water to convert it into steam? correct answer: 11,500 btu (Sat. L...

Boiler water is treated in order to prevent a) sludge, mud, pitting, corrosion b) foaming, corrosion, carryover, sludge c) sludge, corrosion, scale, carryover d) scale, sludge, mud, pitting e) foaming, carryover, pitting, corrosion c Dissolved solids in raw water a) cause pitting of boiler surfaces b) cause grooving of piping surfaces c) are organic matter d) cannot be removed with filters e) cause corrosion of boiler surfaces d Boiler surfaces may have what appears to ...

How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? correct answer: 7 feet On a gas fired boiler what is the proper gas to air mixture correct answer: 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% What is the total hardness in a system that was found to have calcium hardness of 60ppm and magnesium hardness of 18ppm and carbon hardness of 12 ppm? correct answer: TH=(Ca x 2.5) + (Mg x 4.1)...

for the purpose of rating boiler horsepower for an Engineers licence only, how many square feet of boiler surface shall be equivalent to one boiler horsepower on a boiler? correct answer: 10 Sq. Ft. Heating Surface What is meant by the term Low Pressure Boiler? correct answer: boilers operating at a steam or other vapor pressure of 15 psig. or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig. Or a temperature of 250 f°. A person holding a curren...