High pressure boilers - Study guides, Class notes & Summaries

Power Engineering Technology (Pet Yr. 1): 4a High Pressure Boilers Exam 100% Pass A characteristic that made early boilers very inefficient was: a. small heating surface b. an excess of flat surfaces c. the internal furnace d. lack of good quality fuels a A hot water boiler is considered a high temperature water boiler when: a. it's design pressure is less than 1100kPa b. it's operating temperature is greater than 120 degrees celsius c. it's operating temperature is less th...

A low Pressure steam boiler has a MAWP of _____ psi CORRECT ANSWER-15 The higher the steam pressure, the higher the ___ of the water in the boiler. CORRECT ANSWER-boiling point ___ is the amount of energy equal to the evaporation of 34.5 lb of water/hr from and at a feedwater temp of 212F. CORRECT ANSWER-boiler horsepower When a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temp of the water and steam will be approx. ___F. CORRECT ANSWER-338 A hor...

High Pressure Boilers Exam 1

15 CORRECT ANSWER-A low pressure steam boiler has a MAWP of ___ psi. boiling point? CORRECT ANSWER-The higher the steam pressure, the higher the ___ of the water in the boiler. one boiler horsepower CORRECT ANSWER-___ is the amount of energy equal to the evaporation of 34.5 lb of water/hr from and at a feedwater temp of 212F. 338 CORRECT ANSWER-When a steam boiler is operating at 100 pounds per square inch gauge pressure (psig), the temp of the water and steam will be approx. ___F. f...

In conduction the heat transfers through? CORRECT ANSWER-Contact The Transfer of heat from a fluid flowing over the surface of a body? CORRECT ANSWER-Convection The flow of heat through electromagnetic waves is? CORRECT ANSWER-Radiation A power steam boiler operates at... CORRECT ANSWER-greater than 15 psi steam, or hotwater at 160 psi, or 250 F° What is a super critical boiler? CORRECT ANSWER-One that operates in excess of 3206 psia or 705.4 degrees F° A boiler HP is... CORRECT...

c - correct answer 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 d - correct answer 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 a - correct answer Boiler surfa...

High Pressure Boilers Exam with 100% correct Answers

NYC high pressure boiler license Exam Questions and Correct Answers 100% 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 minia...

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...