Boiler heating surface - Study guides, Class notes & Summaries

How do you determine if a boiler has sufficient safety valve capacity - Answer-The accumulation test determines if the valve will discharge all the steam pressure, without allowing the pressure to rise more than 6% more than valve setpoint If a safety valve opens at 100 psi, what pressure should it close at? What requirements governors safety valve blowdowns? - Answer-A: 96-98 psi, with no chatter, with a blowdown of no more than 4 psi of set pressure. A safety valve is limited to how many...

______ draft is produced by a fan located between the boiler and the chimney - Answer induced _______ gauge glasses are used on boilers with precious exceeding 250 psi - Answer flat _______ is caused by allowing sudden extreme changes of temperature in a furnace - Answer spalling ________ boilers can operate at higher pressures than fire tube boilers - Answer water tube _________ are necessary for complete combustion - Answer time, temperature, mixture, and atomization _________ is alw...

Ohio boiler licensing exam questions with complete answers Which type of heat transfer takes place by actual physical contact, from molecule to molecule, without displacing the molecules? Conduction When designing a boiler, special consideration must be given to heat transmision by? Radiation, conduction, and convection What parts make up the heating surface in a scotch marine firetube boiler? The flue and the tubes Which type of boiler is the most econimical to build? Firetube...

1/2" - ANSWER-Sight Glass Minimum Connection 3/4" - ANSWER-Low Water Cut-off Draw Minimum Connection 1" - ANSWER-Water Column Minimum Connection 3/4" - ANSWER-Control Manifold Minimum Connection 1/4" - ANSWER-Sight Glass Drain Minimum Connection 1" - ANSWER-Bottom Blow-Off Minimum Connection 2 1/2" - ANSWER-Bottom Blow-Off Maximum Connection 2 1/2" - ANSWER-Surface Blow-Down Maximum Connection 3" - ANSWER-Threaded Safety Valve Maximum Connection 4 1/2" - ANSW...

ABSA 3B1 Practice Questions with Complete and Verified Answers CHAPTER 1 - Number of questions on exam - 7 Chapter 1 Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour a. 2300 kg to 65000 kg per hour The main advantage of the packaged boiler is its _____ _____. a. small size b. compact design c. low cost d. quality steam c. low cost Field erected boilers have ...

Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ correct answer: Formation of soot and smoke In the event of a flame failure, the programmer will______ correct answer: Secure the fuel, purge the firebox, and then shut down Boil the water must be conditioned to prevent ______ (3 Answers) correct answer: Formation of scale, oxygen pitting, carryover Rank refers to the __________ of the coal correct answer: Deg...

3rd class stationary steam engineer license prep questions and answers rated A+ _________ are necessary for complete combustion time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at 398 PSI. The blowdown is______psi 12 an oil cooler is commonly used with a(n) ________ when operating in conjunction with a turbo- generat...

ABSA 3B1 Practice Questions and Answers with Solutions 100% Correct | updated 2024 (983 Verified Q&A) CHAPTER 1 - Number of questions on exam - 7 Chapter 1 Packaged watertube boilers capacities range from? a. 2300 kg to 65000 kg per hour b. 500 kg to 100 mg per hour c. 15 psi to 15000 kg per hour d. 65000 to 100000 kg per hour a. 2300 kg to 65000 kg per hour The main advantage of the packaged boiler is its _____ _____. a. small size b. compact design c. low cost d. quality st...

MD Stationary Engineer Exam Questions with All Correct Answers Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ - ANSWER Formation of soot and smoke In the event of a flame failure, the programmer will______ - ANSWER Secure the fuel, purge the firebox, and then shut down Boil the water must be conditioned to prevent ______ (3 Answers) - ANSWER Formation of scale, oxygen pitt...

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 transmision by? - correct answer Radiation, conduction, and convection What parts make up the heating surface in a scotch marine firetube boiler? - correct answer The flue and the tubes Which type of boiler is the most econimical to build? - correct answer Firetube...