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All Boilers should be viewed as correct answers Dangerous regardless of size and pressure One cubic inch of hot water under pressure expands to correct answers almost one cubic foot of steam at atmospheric pressure Primary air is usually... correct answers Blown into the combustion chamber, al...

_________ are necessary for complete combustion correct answers time, temperature, mixture, and atomization if the steam pressure gauge indicates 200 PSIG, the absolute pressure is______ correct answers 214.7 a boiler is operating at 400 PSI, and the safety valve opens at 410 PSI and closes at...

AB 6. 3 types of heat transfer correct answers Radiant heat - Transmitted from hot body to a cold body by means of direct radiation Co A 7. What is a combustion chamber? correct answers The area of the boiler where the complete burning of fuel occurs. B 8. What is an internally fired boiler ...

what is a boiler correct answers a closed metal container (pressure vessel) which water is heated to produce steam or heated water what is steam correct answers the vapor that forms when water is heated to its boiling point when did the greatest impact of the use of steam power occur correct a...

Gases of Combustion that cool on Contact with the boiler heating Surface before combushion is completed Cause a(n) _________ correct answers Formation of soot and smoke In the event of a flame failure, the programmer will______ correct answers Secure the fuel, purge the firebox, and then shut dow...

Cl2 correct answers Chlorine boiler correct answers equipment that provides hot water or steam for various uses PRV correct answers PRESSURE RELIEVE VALVE NOWL correct answers Normal operating water level BTU correct answers British Thermal Unit absolute pressure correct answers gauge...

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answers current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct a...

In a reciprocating feedwater pump, the _______________ A. water piston is larger than the steam piston B. water and steam piston are the same size C. steam piston is larger than the water piston D. steam valve has to be as large as the water valve correct answers C. steam piston is larger th...

Entrances and exits or access to boilers may be through conditioned spaces which are under negative pressure. (True/False) correct answers False All repairs made by welding shall be completed in accordance with the recommended rules for repair by fusion welding to power boilers published in the: ...

The Main function of a steam separator in a steam power plant is to correct answers increase steam quality The MAIN purpose of a dip tube in a low-pressure hot water system is to correct answers prevent air from entering the main The rating of a unit ventilator is usually determined by a(n) co...

How much clearance from the top of the boiler is needed for a HP boiler that produces 70000 lbs of steam? correct answers 7 feet On a gas fired boiler what is the proper gas to air mixture correct answers 30%-70% and in special arrangements it can be as high as 100% . ANSWER CHAPTER 11 remember% ...

What is the pressure at the base of a vertical foot of water? correct answers 0.433 psi How much should the boiler pressure increase when performing a hydrostatic test? correct answers 1.5 times the safety valve setting The range of a boiler steam pressure gauge. correct answers 1.5 to 2 times...

What is the pressure at the base of a vertical foot of water? correct answers 0.433 psi How much should the boiler pressure increase when performing a hydrostatic test? correct answers 1.5 times the safety valve setting The range of a boiler steam pressure gauge. correct answers 1.5 to 2 times...