High pressure boilers Study guides, Class notes & Summaries

High Pressure Boilers Exam 1

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...

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...

firetube CORRECT ANSWER-A(n) ___ steam boiler has hot gases of combustion passing through tubes that are surrounded by water. thermal efficiency CORRECT ANSWER-The ratio of heat absorbed by the boiler( output) to the heat available in the fuel (input) is known as the ___. scotch marine CORRECT ANSWER-A ___ boiler is a firetube boiler with an internal furnace completely surrounded by water to increase the boiler heating surface. watertube CORRECT ANSWER-A(n) ___ steam boiler has water in...

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...

ASME requires low pressure Steam boiler to be pressure tested how often CORRECT ANSWER-Annually Which of these should be used on a electrical fire CORRECT ANSWER-Class C On a low pressure boiler how often should you check the safety valve CORRECT ANSWER-10 days What is the purpose of the lower part of the water column CORRECT ANSWER-Collects settlements in foreign material If certain grade of fuel are not preheated properly they may cause CORRECT ANSWER-Poor combustion and high fuel ...

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...

Boiler CORRECT ANSWER-Closed Vessel used for heating water which generates steam through combustion of fuels or electricity. ASME CORRECT ANSWER-American Society Of Mechanical Engineers Low Pressure Boiler CORRECT ANSWER-(MAWP) 15 psi High Pressure boiler CORRECT ANSWER-Operates Over 15 psi Boiler Horsepower CORRECT ANSWER-Amount of energy needed to evaporate 34.5lb of water/ hr Fire tube Boiler CORRECT ANSWER-Gasses of combustion pass through tubes that are surrounded by water ...

A low pressure boiler operates at a pressure of not more than __________ psi CORRECT ANSWER-- 15 If a boiler operates at 100 hp, how much steam production is that equal to? CORRECT ANSWER-- 3450 lb/hr 34.5 x 100 As steam pressure increases, there is a corresponding increase in __________ CORRECT ANSWER-- temperature At what temperature does water boil and turn into steam? CORRECT ANSWER-- 212 F Combustion efficiency is the ratio of heat absorbed by boiler output to the heat availab...

High Pressure Boilers Exam 1