High Pressure Boiler Operator Exam (Q’s & A’s) 100% Verified

High Pressure Boiler Operator Exam (Q’s & A’s)
100% Verified
Boiler - Answer A closed vessel in which water is heated, steam is generated,


superheated or any combination thereof under pressure vacuum by the direct


application of heat.


M.A.W.P. - Answer Maximum Allowable Working Pressure is the highest amount

of


pressure that the vessel is designed to withstand.


Low-Pressure boilers - Answer ......are designed to withstand a maximum of 15

psig


steam or a M.A.W.P. 160 psig water.


High-Pressure boilers - Answer .....are designed to withstand pressure above 15

psig


steam and/or 160 psig water.


Fire-tube boiler - Answer Has fire or gases of combustion in the tubes, and water


surrounding the tubes.

, High Pressure Boiler Operator Exam (Q’s & A’s)
100% Verified
firebox, Scotch marine, vertical, horizontal return tube (hrt), and locomotive -

Answer


Types of fire-tube boilers:


Water-tube boilers - Answer .....have water running through the tubes and fire

or gases


of combustion surrounding the tubes.


Combustion Chamber - Answer Air and fuel flow into the furnace

________________,


where they are mixed and ignited.


Draft - Answer .....is the difference in pressure between two points that causes

air or


gases to flow.


-Heat


-Temperature - Answer ....is the amount of energy contained in a material......is

the