HIGH PRESSURE STEAM EXAM NYC
1 The maximum blow down for a safety valve on a forced flow steam generator or high temperature
water boiler shall be of what percent of the set pressure? ANS: 10%. HP Code: 14-9.12
3 Who oversees the code for any plumbing installations? ANS: The NYC Plumbing Code NYC Mech:
1002.1
4 When will anchorage or guides be inspected? ANS: Annually. NYC Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler have? ANS: Not less than 3 Brass Washout
Plugs 1 inches in size. HP Code 14-11.5
6 How often are high pressure piping expansion joints inspected? ANS: Weekly RCNY: 20-02 a.2.i (HP
steam piping). NYC Mech: 1210.3.1 (hydronics - monthly)
7 How long should a Hydronic System be pressure tested for? ANS: 2 hours at no less than 100 PSIG. NYC
Mech: 1208.1
8 How is a gauge protected from excessive pressure? ANS: Shut off Cock RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping system? ANS: Plumbing Inspector, Architect,
Licensed PE, Master Plumber, or Agency by the D.O.B RCNY 20-01 a,1,2
10 How should a remote disconnect be labeled? ANS: Remote control for burner. NYC Mech: 1006.8.1
11 When is a fusible plug not needed to be installed on a boiler? ANS: Over 200 PSIG. HP Code: 14-
10.17, b
,12 When shall a power boiler with a MAWP over 400 be tested? ANS: Pressure tested annually ( safety
valve). HP Code: 14-9.7, a,2
13 What shall a Design plan of a boiler and application contain but not limited to? ANS: Size + Location,
Operating Pressure + Temperature of the Pressure vessel, and Type + Specification of Pressure Relief.
14 Who is responsible for maintaining the copies of the certified welder qualifications report? ANS:
Copies of the certified welder qualification report she'll be maintained by the 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 operation instructions? ANS: The Installer. NYC
Mech: 1004.7
16 Who will certify and calibrate all gauges utilized for testing? ANS: All gauges utilized for testing shall
be calibrated and certified annually in accordance with ASME B40.100 by the test operathor. NYC Mech:
1011.2
17 What shall be placed in between different joints and piping material? ANS: An approved Adapter
Fitting NYC Mech: 1203.1.2
18 What items are exempt from the reporting requirements? ANS: Exemptions: (1) the installation of
backing rings in handhole or manhole 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 High-pressure tank? ANS: The welding shall be
under controlled inspection of an ENGINEER, supervising a welding inspection agency acceptable to the
DOB RCNY: 22-01 d,2
20 At what pressure is it required to have extra heavy valves installed? ANS: HP Code: 14-10.21b / 14-
9.2,b
, 21 The -------------- files an application for a boiler alteration ANS: Inspector HP Code: 14-3.3 c, 2, ii
22 How many safety valves does a boiler have with over 500 square feet of heating surface? ANS: At
least 2 HP Code: 14-9.4a
23 Gas fired Boilers not exceeding 100 square feet of heating surface shall de provided with a ? ANS:
Single or Double Cone type of Hood Diverter in the stack HP Code: 14-6.2
24 A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? ANS:
Directly in the steam or water space within a boiler. HP Code: 14-5.1
25 Who is responsible for any spatial relationship between tanks and gas services? ANS: The Installer of
the last installation to correct the violation. RCNY: 22-01, c,3
Who is responsible for the setting of operating and safety controls? ANS: The Installing Company NYC
Mech: 1004.7
27 With what safety fitting shall you protect High Pressure Steam and Water boilers with? ANS: DUAL
Low Water Cut Outs. NYC Mech: 1007.1. HP Code: 14- 1. 14, a
28 Spring loaded safety valves have a total combined relieve capacity of? ANS: 100% of the Max
Designed Capacity of the Boiler. HP Code: 14-9.5, b
29 What is the total combined relieving capacity of power actuated relieving valves? ANS: NO LESS THAN
10% of the MAWP or NO HIGHER THAN 20% ABOVE the MAWP. HP Code: 14-9.5, a, b
30 What is the minimum blowdown for a spring-loaded safety valve? ANS: 2%. HP Code: 14-9.12
1 The maximum blow down for a safety valve on a forced flow steam generator or high temperature
water boiler shall be of what percent of the set pressure? ANS: 10%. HP Code: 14-9.12
3 Who oversees the code for any plumbing installations? ANS: The NYC Plumbing Code NYC Mech:
1002.1
4 When will anchorage or guides be inspected? ANS: Annually. NYC Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler have? ANS: Not less than 3 Brass Washout
Plugs 1 inches in size. HP Code 14-11.5
6 How often are high pressure piping expansion joints inspected? ANS: Weekly RCNY: 20-02 a.2.i (HP
steam piping). NYC Mech: 1210.3.1 (hydronics - monthly)
7 How long should a Hydronic System be pressure tested for? ANS: 2 hours at no less than 100 PSIG. NYC
Mech: 1208.1
8 How is a gauge protected from excessive pressure? ANS: Shut off Cock RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping system? ANS: Plumbing Inspector, Architect,
Licensed PE, Master Plumber, or Agency by the D.O.B RCNY 20-01 a,1,2
10 How should a remote disconnect be labeled? ANS: Remote control for burner. NYC Mech: 1006.8.1
11 When is a fusible plug not needed to be installed on a boiler? ANS: Over 200 PSIG. HP Code: 14-
10.17, b
,12 When shall a power boiler with a MAWP over 400 be tested? ANS: Pressure tested annually ( safety
valve). HP Code: 14-9.7, a,2
13 What shall a Design plan of a boiler and application contain but not limited to? ANS: Size + Location,
Operating Pressure + Temperature of the Pressure vessel, and Type + Specification of Pressure Relief.
14 Who is responsible for maintaining the copies of the certified welder qualifications report? ANS:
Copies of the certified welder qualification report she'll be maintained by the 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 operation instructions? ANS: The Installer. NYC
Mech: 1004.7
16 Who will certify and calibrate all gauges utilized for testing? ANS: All gauges utilized for testing shall
be calibrated and certified annually in accordance with ASME B40.100 by the test operathor. NYC Mech:
1011.2
17 What shall be placed in between different joints and piping material? ANS: An approved Adapter
Fitting NYC Mech: 1203.1.2
18 What items are exempt from the reporting requirements? ANS: Exemptions: (1) the installation of
backing rings in handhole or manhole 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 High-pressure tank? ANS: The welding shall be
under controlled inspection of an ENGINEER, supervising a welding inspection agency acceptable to the
DOB RCNY: 22-01 d,2
20 At what pressure is it required to have extra heavy valves installed? ANS: HP Code: 14-10.21b / 14-
9.2,b
, 21 The -------------- files an application for a boiler alteration ANS: Inspector HP Code: 14-3.3 c, 2, ii
22 How many safety valves does a boiler have with over 500 square feet of heating surface? ANS: At
least 2 HP Code: 14-9.4a
23 Gas fired Boilers not exceeding 100 square feet of heating surface shall de provided with a ? ANS:
Single or Double Cone type of Hood Diverter in the stack HP Code: 14-6.2
24 A heater for either liquid fuels or other liquids harmful to the boiler shall not be installed? ANS:
Directly in the steam or water space within a boiler. HP Code: 14-5.1
25 Who is responsible for any spatial relationship between tanks and gas services? ANS: The Installer of
the last installation to correct the violation. RCNY: 22-01, c,3
Who is responsible for the setting of operating and safety controls? ANS: The Installing Company NYC
Mech: 1004.7
27 With what safety fitting shall you protect High Pressure Steam and Water boilers with? ANS: DUAL
Low Water Cut Outs. NYC Mech: 1007.1. HP Code: 14- 1. 14, a
28 Spring loaded safety valves have a total combined relieve capacity of? ANS: 100% of the Max
Designed Capacity of the Boiler. HP Code: 14-9.5, b
29 What is the total combined relieving capacity of power actuated relieving valves? ANS: NO LESS THAN
10% of the MAWP or NO HIGHER THAN 20% ABOVE the MAWP. HP Code: 14-9.5, a, b
30 What is the minimum blowdown for a spring-loaded safety valve? ANS: 2%. HP Code: 14-9.12
