6 How often are high pressure piping expansion joints Weekly RCNY: 20-02 a.2.i (HP steam piping). NYC Mech: 1210.3.1 (hydronics -
inspected? monthly)
7 How long should a Hydronic System be pressure 2 hours at no less than 100 PSIG. NYC Mech: 1208.1
tested for?
8 How is a gauge protected from excessive pressure? Shut off Cock RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping Plumbing Inspector, Architect, Licensed PE, Master Plumber, or Agency by the
system? D.O.B RCNY 20-01 a,1,2
10 How should a remote disconnect be labeled? Remote control for burner. NYC Mech: 1006.8.1
11 When is a fusible plug not needed to be installed on Over 200 PSIG. HP Code: 14-10.17, b
a boiler?
12 When shall a power boiler with a MAWP over 400 be Pressure tested annually ( safety valve). HP Code: 14-9.7, a,2
tested?
13 What shall a Design plan of a boiler and application Size + Location, Operating Pressure + Temperature of the Pressure vessel, and
contain but not limited to? Type + Specification of Pressure Relief.
14 Who is responsible for maintaining the copies of the Copies of the certified welder qualification report she'll be maintained by the
certified welder qualifications report? responsible WELDING AGENCY and the company performing the welding, and
shall be made available upon request to the DOB. RCNY: 20-02, b,2v,/22-01,d,5.
HP Code: 14-3.7
15 Who needs to furnish a control diagram and boiler The Installer. NYC Mech: 1004.7
operation instructions?
16 Who will certify and calibrate all gauges utilized for All gauges utilized for testing shall be calibrated and certified annually in
testing? accordance with ASME B40.100 by the test operathor. NYC Mech: 1011.2
17 What shall be placed in between different joints and An approved Adapter Fitting NYC Mech: 1203.1.2
piping material?
18 What items are exempt from the reporting Exemptions: (1) the installation of backing rings in handhole or manhole
requirements? openings or the building up of same; and (2) the seal welding of tubes to the
tube sheet. HP Code: 14-3.4, b, 1-2
19. Who will be under control for any welding done to a The welding shall be under controlled inspection of an ENGINEER, supervising
High-pressure tank? a welding inspection agency acceptable to the DOB RCNY: 22-01 d,2
20 At what pressure is it required to have extra heavy HP Code: 14-10.21b / 14-9.2,b
valves installed?
, HIGH PRESSURE STEAM EXAM NYC
21 The -------------- files an application for a boiler Inspector HP Code: 14-3.3 c, 2, ii
alteration
22 How many safety valves does a boiler have with over At least 2 HP Code: 14-9.4a
500 square feet of heating surface?
23 Gas fired Boilers not exceeding 100 square feet of Single or Double Cone type of Hood Diverter in the stack HP Code: 14-6.2
heating surface shall de provided with a ?
24 A heater for either liquid fuels or other liquids Directly in the steam or water space within a boiler. HP Code: 14-5.1
harmful to the boiler shall not be installed?
25 Who is responsible for any spatial relationship The Installer of the last installation to correct the violation. RCNY: 22-01, c,3
between tanks and gas services?
Who is responsible for the setting of operating and The Installing Company NYC Mech: 1004.7
safety controls?
27 With what safety fitting shall you protect High DUAL Low Water Cut Outs. NYC Mech: 1007.1. HP Code: 14- 1. 14, a
Pressure Steam and Water boilers with?
28 Spring loaded safety valves have a total combined 100% of the Max Designed Capacity of the Boiler. HP Code: 14-9.5, b
relieve capacity of?
29 What is the total combined relieving capacity of NO LESS THAN 10% of the MAWP or NO HIGHER THAN 20% ABOVE the
power actuated relieving valves? MAWP. HP Code: 14-9.5, a, b
30 What is the minimum blowdown for a spring-loaded 2%. HP Code: 14-9.12
safety valve?
31 When a boiler is de-rated what changes? The MAWP Decreases and the BTU Output. HP Code: 14-3.21, a
32 In Hydronic piping systems where shall a shutoff Shutoff valves shall be installed on both sides of a pressure-reducing valve.
valve be installed? NYC Mech: 1205.1.4