Massachusetts Journeyman Pipefitter Exam (Heating, Cooling) PJ-01 (Questions with 100% correct answers)
1/2" correct answers Sight Glass Minimum Connection
3/4" correct answers Low Water Cut-off Draw Minimum Connection
1" correct answers Water Column Minimum Connection
3/4" correct answers Control Manifold Minimum Connection
1/4" correct answers Sight Glass Drain Minimum Connection
1" correct answers Bottom Blow-Off Minimum Connection
2 1/2" correct answers Bottom Blow-Off Maximum Connection
2 1/2" correct answers Surface Blow-Down Maximum Connection
3" correct answers Threaded Safety Valve Maximum Connection
4 1/2" correct answers Flanged Safety Valve Maximum Connection
Up to 2" correct answers Steam Stop Valve Non-Indicating
1/2" correct answers Take-off for Control Line Minimum Connection
3" correct answers Socket Welded Fitting Maximum Size
2 1/2" and over correct answers Hangers Must be Adjusted Over
1/4" correct answers Minimum Size Syphon Non-Ferrous
350 psi correct answers Malleable Iron Maximum PSI
250 correct answers Cast Iron Maximum PSI
250 Degrees correct answers ASME V Maximum Water Temperature Heating Boiler
500 Square Feet of Heating Surface (2 means of water feed) correct answers When do you need 2 or more heating safety's?
Over 400 psi (cast iron sectional/MAWP 30psi) correct answers When do you need 2 sight glasses? 30 correct answers 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 correct answers When the pressure exceeds 100 psi, the boiler blow-off fittings shall be_____________?
Not be restricted or reduced correct answers The discharge outlet of a safety valve must ________________________.
20 correct answers An Altitude gauge is required on a hot water supply boiler when altitude is more than ______ feet.
Gate correct answers The most appropriate valve application for a surface blow-off system would be a __________ valve.
Auxiliary low-water cut-off correct answers Which device shall cause a safety shut-down (lockout) requiring a manual reset?
3/4" correct answers What is the minimum size of the drain pipe and the blow-off valve required on a low water cut-off that has a separate float chamber? __________ inches
Gate correct answers The valve that offers the least resistance to flow is the ____________ valve.
Cross Tee fitting correct answers What type of fitting must be placed in the water piping connection at every right angle to facilitate cleaning and inspection of a water column or low water cut-off?
21 correct answers The maximum suggested pipe support spacing (span) for 6" pipe for steam, gas or air service is ________ feet,
1 1/2 correct answers The dial of the pressure gauge on a high pressure boiler shall be graduated to no less than _________ times the pressure at which the safety valve is set.
1/2" correct answers When piping a steam pressure gauge, what is the minimum pipe size connection to the boiler where steel or wrought iron pipe or tubing is to be used?
Condensate in the steam line correct answers Water Hammer in steam lines is caused by what condition?
3/4" correct answers 522 CMR 16.00 Automatic Controls for Automatically Fired Boilers, requires that when multiple pressure controls are mounted on or fed from manifold, the manifold and common source connection to the boiler shall be at least what pipe size?
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