Boiler water - Study guides, Class notes & Summaries

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)...

MN State Special Boiler License Advanced Study Guide 2024. ASME - correct answer American Society of Mechanical Engineers NBIC - correct answer National Board Inspection Code A high-pressure steam boiler is required to have ______ valves on the main steam line. - correct answer 2 10 square feet is equivalent to _____ boiler horsepower for conventional boilers - correct answer 1 Minimum size pipe to be used to connect a water column to high pressure boilers - correct answer 1 inch ...

For the purpose of rating boiler horsepower for an Engineers License 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 15psig or less, or a hot water or other liquid boiler in which the pressure does not exceed 160 psig or a temperature of 250 degrees F. A person holding a cur...

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 ...

The component in which liquid vapor by absorbing heat is called? correct answer: Evaporator Select the best answer electrical grounding method? correct answer: Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? correct answer: Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? correct answer: 30-70 What is the BTU content of a gallon of #4? correct answer: 146,000 What does a zeolite water softene...

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...

What is the pressure at the base of a vertical foot of water? CORRECT ANSWER 0.433 psi How much should the boiler pressure increase when performing a hydrostatic test? CORRECT ANSWER 1.5 times the safety valve setting The range of a boiler steam pressure gauge. CORRECT ANSWER 1.5 to 2 times the safety valve setting Fuel oil heaters must be used when burning what? CORRECT ANSWER No. 6 fuel oil What is the maximum allowable working pressure of a low pressure steam boiler? (MAWP) CORREC...

This document contains workings, explanations and solutions to the MNO2603 Assignment 3 (QUALITY ANSWERS) Semester 2 2024. For assistance whats-app us on 0.6.8..8.1.2..0.9.3.4... In Focus: What the Charlotte Maxeke fire tells us about health and safety in Gauteng hospitals Just weeks before a fire tore through parts of Charlotte Maxeke Hospital in Johannesburg on 16 April, a fire safety audit at the hospital was signed off and in March a hospital fire and safety team met, according to the Gaut...

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...