Terms in this set (135)
1.5 times the MAWP the pressure applied on the boiler during a hydrostatic test should be
1 or more safety valves all steam boilers must have
when testing the safety valve by hand, there should be at least ____ of pressure on
5 psi the boiler
#6 fuel oil has high viscosity compared to #2 fuel oil
#6 fuel oil Has the highest heating value in btu/gal
8.3 lb/gal Water weighs approximately
212 degrees F at atmospheric pressure, water begins to boil at approximately
.433 psi The hydrostatic pressure of every foot of vertical piping filled with water
when performing a hydrostatic test on a boiler
All safety valves are removed or gagged,
the boiler vent is closed, the main steam
stop valve is closed
Safety valve connections must be made according to the requirements of the
American Society of Mechanical
Engineers
Anthracite coal that has a high fixed carbon content
baffle types Orifice, rod, impingement, segmental
the portion of the tube that sticks out is curled outward and back until it touches
beading the tubesheet
, vessel that prevents damage to the sewer system from steam and hot water by
holding blowdown water until it is cool enough for safe discharge
blowdown tank
Blowdown the boiler if water comes out of the top try cock, the operator must
Boiler heating surface
thin pieces that attach tubes and keep the correct space between tubes in a tube
boiler ligament sheet
used to support flat surfaces in a boiler, the internal pressure will be contained
boiler stays without distortion
Boiler vent should be open when filling the boiler with water
Boiler vent Should be kept open when the boiler is warmed up
Burn continually the fire point of fuel oil is the minimum temperature at which the fuel will
burner flame impingement or poor flame causes overheating & failure of the tubes
distribution
Butterfly valve controls the firing rate in a high pressure gas system
By hand or by pressure safety valves on low pressure boilers can be tested
carryover small particles of boiler water are carried into steam lines
causes creation or increase in soot deposits on tubes causing excessively high
change in composition of fuel temperature on tube walls
1.5 times the MAWP the pressure applied on the boiler during a hydrostatic test should be
1 or more safety valves all steam boilers must have
when testing the safety valve by hand, there should be at least ____ of pressure on
5 psi the boiler
#6 fuel oil has high viscosity compared to #2 fuel oil
#6 fuel oil Has the highest heating value in btu/gal
8.3 lb/gal Water weighs approximately
212 degrees F at atmospheric pressure, water begins to boil at approximately
.433 psi The hydrostatic pressure of every foot of vertical piping filled with water
when performing a hydrostatic test on a boiler
All safety valves are removed or gagged,
the boiler vent is closed, the main steam
stop valve is closed
Safety valve connections must be made according to the requirements of the
American Society of Mechanical
Engineers
Anthracite coal that has a high fixed carbon content
baffle types Orifice, rod, impingement, segmental
the portion of the tube that sticks out is curled outward and back until it touches
beading the tubesheet
, vessel that prevents damage to the sewer system from steam and hot water by
holding blowdown water until it is cool enough for safe discharge
blowdown tank
Blowdown the boiler if water comes out of the top try cock, the operator must
Boiler heating surface
thin pieces that attach tubes and keep the correct space between tubes in a tube
boiler ligament sheet
used to support flat surfaces in a boiler, the internal pressure will be contained
boiler stays without distortion
Boiler vent should be open when filling the boiler with water
Boiler vent Should be kept open when the boiler is warmed up
Burn continually the fire point of fuel oil is the minimum temperature at which the fuel will
burner flame impingement or poor flame causes overheating & failure of the tubes
distribution
Butterfly valve controls the firing rate in a high pressure gas system
By hand or by pressure safety valves on low pressure boilers can be tested
carryover small particles of boiler water are carried into steam lines
causes creation or increase in soot deposits on tubes causing excessively high
change in composition of fuel temperature on tube walls
