HIGH PRESSURE STEAM EXAM NYC
QUESTIONS WITH ANSWERS
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? - ** VERIFIED ANSWERS **✔✔10%. HP
Code: 14-9.12
3 Who oversees the code for any plumbing installations? - ** VERIFIED ANSWERS **✔✔The NYC
Plumbing Code NYC Mech: 1002.1
4 When will anchorage or guides be inspected? - ** VERIFIED ANSWERS **✔✔Annually. NYC
Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler have? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED ANSWERS **✔✔2
hours at no less than 100 PSIG. NYC Mech: 1208.1
8 How is a gauge protected from excessive pressure? - ** VERIFIED ANSWERS **✔✔Shut off Cock
RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping system? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED ANSWERS **✔✔Remote control for
burner. NYC Mech: 1006.8.1
,11 When is a fusible plug not needed to be installed on a boiler? - ** VERIFIED ANSWERS
**✔✔Over 200 PSIG. HP Code: 14-10.17, b
12 When shall a power boiler with a MAWP over 400 be tested? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔The Installer. NYC Mech: 1004.7
16 Who will certify and calibrate all gauges utilized for testing? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔An approved Adapter Fitting NYC Mech: 1203.1.2
18 What items are exempt from the reporting requirements? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔HP Code: 14-10.21b / 14-9.2,b
21 The -------------- files an application for a boiler alteration - ** VERIFIED ANSWERS
**✔✔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? - **
VERIFIED ANSWERS **✔✔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 ? - **
VERIFIED ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔The Installing Company NYC Mech: 1004.7
27 With what safety fitting shall you protect High Pressure Steam and Water boilers with? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔NO LESS THAN 10% of the MAWP or NO HIGHER THAN 20% ABOVE the
MAWP. HP Code: 14-9.5, a, b
QUESTIONS WITH ANSWERS
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? - ** VERIFIED ANSWERS **✔✔10%. HP
Code: 14-9.12
3 Who oversees the code for any plumbing installations? - ** VERIFIED ANSWERS **✔✔The NYC
Plumbing Code NYC Mech: 1002.1
4 When will anchorage or guides be inspected? - ** VERIFIED ANSWERS **✔✔Annually. NYC
Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler have? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED ANSWERS **✔✔2
hours at no less than 100 PSIG. NYC Mech: 1208.1
8 How is a gauge protected from excessive pressure? - ** VERIFIED ANSWERS **✔✔Shut off Cock
RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping system? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED ANSWERS **✔✔Remote control for
burner. NYC Mech: 1006.8.1
,11 When is a fusible plug not needed to be installed on a boiler? - ** VERIFIED ANSWERS
**✔✔Over 200 PSIG. HP Code: 14-10.17, b
12 When shall a power boiler with a MAWP over 400 be tested? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔The Installer. NYC Mech: 1004.7
16 Who will certify and calibrate all gauges utilized for testing? - ** VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔An approved Adapter Fitting NYC Mech: 1203.1.2
18 What items are exempt from the reporting requirements? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔HP Code: 14-10.21b / 14-9.2,b
21 The -------------- files an application for a boiler alteration - ** VERIFIED ANSWERS
**✔✔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? - **
VERIFIED ANSWERS **✔✔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 ? - **
VERIFIED ANSWERS **✔✔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? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED
ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔The Installing Company NYC Mech: 1004.7
27 With what safety fitting shall you protect High Pressure Steam and Water boilers with? - **
VERIFIED ANSWERS **✔✔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? - ** VERIFIED ANSWERS
**✔✔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? - ** VERIFIED
ANSWERS **✔✔NO LESS THAN 10% of the MAWP or NO HIGHER THAN 20% ABOVE the
MAWP. HP Code: 14-9.5, a, b
