Stationary Steam Engineers Tests compilation Bundle

A desuperheater that is installed in a boiler is used to control.. correct answer: Super heated steam temperature Economizers are finned to.. correct answer: Increase the rate of heat for heat transfer The heat transfer taking place in a surface condenser is accomplished mainly by.. correct ...

Maximum Allowable Working Pressure (MAWP) (MAWP)= Tensile Strength (TS) • Thickness (t) • Efficiency of welds, joints, etc. (E) / Rate (R) • Factor of Safety (FS) Coal Consumption on a Chain Grate Stoker Consumption = Width of Grate bed • Speed of Grates • Depth of Fuel Bed • BT...

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

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 transmission by... correct answer: Radiation, Conduction and Convectio...

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 ti...

what is used to keep SO2 down? correct answer: wet and dry scrubbers a wet scrubber that has been maintained properly has the capability of absorbing ______% of the SO2 in the flue gas correct answer: 90% Materials of construction of a flue gas scrubber system must be selected to resist what...

Combustion efficiency may be increased by_____ the primary air correct answer: Preheating What is the purpose of cinder reinjection? correct answer: increase efficiency 2 forces of equal intensity acting in opposite directions is? correct answer: tension What is true about the dew poimt ...

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 answer: current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct ...

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 d...

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 answer: C. steam piston is larger t...

how can you loose your license? correct answer: 1) drinking on the job 2) sleeping on the job 3) negligence 4) unsafe work 5) signing a falsified license application for someone 6) failing to renew your license annually what must you do if you change jobs? correct answer: notify city hall...

What is a return tubular boiler? correct answer: A return tubular boiler - the products of combusting passing through the tubes while the water surrounds the tubes. What is a water tube boiler? correct answer: A water tube boiler - water inside the tubes while the production of combustion passe...

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...

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