1|Page
NYC Stationary Engineer (H+H) exam Questions and
Correct Verified Answers with EXPLANATIONS
LATEST THIS YEAR.pdf||NEWEST EXAM!!
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? - Answer-
10%. HP Code: 14-9.12
3 Who oversees the code for any plumbing installations? -
Answer-The NYC Plumbing Code NYC Mech: 1002.1
4 When will anchorage or guides be inspected? - Answer-
Annually. NYC Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler
have? - Answer-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? - Answer-Weekly RCNY: 20-02 a.2.i (HP steam
piping). NYC Mech: 1210.3.1 (hydronics - monthly)
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7 How long should a Hydronic System be pressure tested
for? - Answer-2 hours at no less than 100 PSIG. NYC
Mech: 1208.1
8 How is a gauge protected from excessive pressure? -
Answer-Shut off Cock RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping
system? - Answer-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? - Answer-
Remote control for burner. NYC Mech: 1006.8.1
11 When is a fusible plug not needed to be installed on a
boiler? - Answer-Over 200 PSIG. HP Code: 14-10.17, b
12 When shall a power boiler with a MAWP over 400 be
tested? - Answer-Pressure tested annually ( safety valve).
HP Code: 14-9.7, a,2
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13 What shall a Design plan of a boiler and application
contain but not limited to? - Answer-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? - Answer-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? - Answer-The Installer. NYC Mech:
1004.7
16 Who will certify and calibrate all gauges utilized for
testing? - Answer-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
, 4|Page
17 What shall be placed in between different joints and
piping material? - Answer-An approved Adapter Fitting
NYC Mech: 1203.1.2
18 What items are exempt from the reporting
requirements? - Answer-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? - Answer-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? - Answer-HP Code: 14-10.21b / 14-9.2,b
21 The -------------- files an application for a boiler alteration
- Answer-Inspector HP Code: 14-3.3 c, 2, ii
NYC Stationary Engineer (H+H) exam Questions and
Correct Verified Answers with EXPLANATIONS
LATEST THIS YEAR.pdf||NEWEST EXAM!!
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? - Answer-
10%. HP Code: 14-9.12
3 Who oversees the code for any plumbing installations? -
Answer-The NYC Plumbing Code NYC Mech: 1002.1
4 When will anchorage or guides be inspected? - Answer-
Annually. NYC Mech: 1210.3.1.2
5 How many brass washout plugs does a miniature boiler
have? - Answer-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? - Answer-Weekly RCNY: 20-02 a.2.i (HP steam
piping). NYC Mech: 1210.3.1 (hydronics - monthly)
,2|Page
7 How long should a Hydronic System be pressure tested
for? - Answer-2 hours at no less than 100 PSIG. NYC
Mech: 1208.1
8 How is a gauge protected from excessive pressure? -
Answer-Shut off Cock RCNY: 20-03 c,7
9 Who is authorized in witnessing a test on a gas piping
system? - Answer-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? - Answer-
Remote control for burner. NYC Mech: 1006.8.1
11 When is a fusible plug not needed to be installed on a
boiler? - Answer-Over 200 PSIG. HP Code: 14-10.17, b
12 When shall a power boiler with a MAWP over 400 be
tested? - Answer-Pressure tested annually ( safety valve).
HP Code: 14-9.7, a,2
,3|Page
13 What shall a Design plan of a boiler and application
contain but not limited to? - Answer-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? - Answer-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? - Answer-The Installer. NYC Mech:
1004.7
16 Who will certify and calibrate all gauges utilized for
testing? - Answer-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
, 4|Page
17 What shall be placed in between different joints and
piping material? - Answer-An approved Adapter Fitting
NYC Mech: 1203.1.2
18 What items are exempt from the reporting
requirements? - Answer-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? - Answer-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? - Answer-HP Code: 14-10.21b / 14-9.2,b
21 The -------------- files an application for a boiler alteration
- Answer-Inspector HP Code: 14-3.3 c, 2, ii
