Massachusetts Journeyman Pipefitter Exam (Heating, Cooling) PJ-01

Massachusetts Journeyman Pipefitter Exam
(Heating, Cooling) PJ-01
1/2" - - Sight Glass Minimum Connection



3/4" - - Low Water Cut-off Draw Minimum Connection



1" - - Water Column Minimum Connection



3/4" - - Control Manifold Minimum Connection



1/4" - - Sight Glass Drain Minimum Connection



1" - - Bottom Blow-Off Minimum Connection



2 1/2" - - Bottom Blow-Off Maximum Connection



2 1/2" - - Surface Blow-Down Maximum Connection



3" - - Threaded Safety Valve Maximum Connection



4 1/2" - - Flanged Safety Valve Maximum Connection



Up to 2" - - Steam Stop Valve Non-Indicating



1/2" - - Take-off for Control Line Minimum Connection



3" - - Socket Welded Fitting Maximum Size

, Massachusetts Journeyman Pipefitter Exam
(Heating, Cooling) PJ-01

2 1/2" and over - - Hangers Must be Adjusted Over



1/4" - - Minimum Size Syphon Non-Ferrous



350 psi - - Malleable Iron Maximum PSI



250 - - Cast Iron Maximum PSI



250 Degrees - - ASME V Maximum Water Temperature Heating Boiler



500 Square Feet of Heating Surface (2 means of water feed) - - When do you need 2
or more heating safety's?



Over 400 psi (cast iron sectional/MAWP 30psi) - - When do you need 2 sight glasses?



30 - - The ASME code for heating boilers says that an ASME code, Section VIII
expansion tank is required on a hot water boiler when the boiler pressure exceeds what
pressure (psig)?



Steel - - When the pressure exceeds 100 psi, the boiler blow-off fittings shall
be_____________?



Not be restricted or reduced - - The discharge outlet of a safety valve must
________________________.