NYC HIGH PRESSURE STEAM EXAM
REVIEW QUESTIONSWITH CORRECT
SOLUTIONS UPDATED 2025/2026
SYLLABUS ALREADY GRADED!!100%
GUARANTEED PASS!!!<<BRAND
NEW VERSION>>
1. Boilers have 2 bottom blow downs when the MAWP exceeds-------- PSI -
ANSWER ✓ 100 PSIG
2. What schedule pipe can you use on boiler blow down lines? - ANSWER ✓
Schedule 80
3. What is the Maximum size of a blow down valve? Minimum size and less
than how many sq feet. - ANSWER ✓ MAX 2 1/2", MIN 1" ( less than 100
sq ft min 3/4". HP Code: 14-9.27b,2
4. All boiler fittings are what standard? - ANSWER ✓ ASME
5. How many gauge cocks are on a boiler with LESS than 36 " and 100 sq ft of
surface? - ANSWER ✓ 2. HP Code: 14-9, 18,b
6. How many gauge cocks are on a boiler with OVER 36" and more than 100
sq ft of surface? - ANSWER ✓ 3
7. What size are the gauge cocks on a boiler? - ANSWER ✓ Not to be less than
1/2". HP Code: 14-9.18,c.
8. How many gauge cocks does a boiler have with two water glasses on the
same horizontal line? - ANSWER ✓ 2 Cocks at 1/2". HP Code: 14-9.18,a
,9. Any valve used as a shutoff to a water column shall be sealed ----- and ------
- ANSWER ✓ Sealed Open and LOCKED. HP Code: 14-9.17,b
10.HRT Fire tube boiler what is the minimum water level in a gage glass? -
ANSWER ✓ " Lowest reading in the water gage glass there shall be at least
THREE INCHES of water over the highest point of the tube, flues, or crown
sheets". HP Code: 14-9.16,e
11.What can be attached to the same outlet from a super heater that is used also
for the safety valve connection? - ANSWER ✓ Soot Blower
12.A safety valve over 3" and over 15 PSIG shall have what type of inlet
connection? - ANSWER ✓ Flanged or Welded
13.The discharge of safety valves or safety relief valves shall be located so as to
prevent --------- - ANSWER ✓ Scalding. HP Code: 14-9.1,c,4
14.Safety valve plate has what? - ANSWER ✓ Name, Manufacturer #, Size,
Seat, Pressure ( PSIG ), Year built, Capacity, Capacity life, ASME. HP
Code: 14-9.8
15.Where in isolation transformer is provided, one conductor of the secondary
winding shall be? - ANSWER ✓ GROUNDED. NYC Mech: 1006.8
16.When would a heat exchanger not need shutoff valves? - ANSWER ✓ When
it is integral with the boiler
17.The flash point in a Hydronic system is -- F* above the maximum operating
temperature - ANSWER ✓ 50* F
18.The slope of piping for condensate is --% - ANSWER ✓ 1%
19.Piping Support ( Mechanical Code 2008 ) - ANSWER ✓ A. Steel pipe
support are spaced every 12 FT HORIZONTAL and 15 FT VERTICAL
B. Steel tube support are spaced every 8 FT HORIZONTAL and 10 FT
VERTICAL
20.What is the Inspection Frequency of a Boiler?
, A. Low Pressure Steam Internal and External?
B. Low Pressure Hot Water Internal and External?
C. High Pressure Steam Internal and External?
D. High Pressure Hot Water Boiler? - ANSWER ✓ A. Internal every 3
years and External every 2 years
B. Internal every 5 years and External every 2 years
C. Internal every 1 year and External every 1 year.
21.How is the Main Steam pressure gauges tested? - ANSWER ✓ With an
Inspectors Gage. HP Code: 14-9.21, 14-10.19/NYC Mech:1011.2
22.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
23.Who oversees the code for any plumbing installations? - ANSWER ✓ The
NYC Plumbing Code NYC Mech: 1002.1
24.When will anchorage or guides be inspected? - ANSWER ✓ Annually. NYC
Mech: 1210.3.1.2
25.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
26.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)
27.How long should a Hydronic System be pressure tested for? - ANSWER ✓ 2
hours at no less than 100 PSIG. NYC Mech: 1208.1
28.How is a gauge protected from excessive pressure? - ANSWER ✓ Shut off
Cock RCNY: 20-03 c,7
29.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
REVIEW QUESTIONSWITH CORRECT
SOLUTIONS UPDATED 2025/2026
SYLLABUS ALREADY GRADED!!100%
GUARANTEED PASS!!!<<BRAND
NEW VERSION>>
1. Boilers have 2 bottom blow downs when the MAWP exceeds-------- PSI -
ANSWER ✓ 100 PSIG
2. What schedule pipe can you use on boiler blow down lines? - ANSWER ✓
Schedule 80
3. What is the Maximum size of a blow down valve? Minimum size and less
than how many sq feet. - ANSWER ✓ MAX 2 1/2", MIN 1" ( less than 100
sq ft min 3/4". HP Code: 14-9.27b,2
4. All boiler fittings are what standard? - ANSWER ✓ ASME
5. How many gauge cocks are on a boiler with LESS than 36 " and 100 sq ft of
surface? - ANSWER ✓ 2. HP Code: 14-9, 18,b
6. How many gauge cocks are on a boiler with OVER 36" and more than 100
sq ft of surface? - ANSWER ✓ 3
7. What size are the gauge cocks on a boiler? - ANSWER ✓ Not to be less than
1/2". HP Code: 14-9.18,c.
8. How many gauge cocks does a boiler have with two water glasses on the
same horizontal line? - ANSWER ✓ 2 Cocks at 1/2". HP Code: 14-9.18,a
,9. Any valve used as a shutoff to a water column shall be sealed ----- and ------
- ANSWER ✓ Sealed Open and LOCKED. HP Code: 14-9.17,b
10.HRT Fire tube boiler what is the minimum water level in a gage glass? -
ANSWER ✓ " Lowest reading in the water gage glass there shall be at least
THREE INCHES of water over the highest point of the tube, flues, or crown
sheets". HP Code: 14-9.16,e
11.What can be attached to the same outlet from a super heater that is used also
for the safety valve connection? - ANSWER ✓ Soot Blower
12.A safety valve over 3" and over 15 PSIG shall have what type of inlet
connection? - ANSWER ✓ Flanged or Welded
13.The discharge of safety valves or safety relief valves shall be located so as to
prevent --------- - ANSWER ✓ Scalding. HP Code: 14-9.1,c,4
14.Safety valve plate has what? - ANSWER ✓ Name, Manufacturer #, Size,
Seat, Pressure ( PSIG ), Year built, Capacity, Capacity life, ASME. HP
Code: 14-9.8
15.Where in isolation transformer is provided, one conductor of the secondary
winding shall be? - ANSWER ✓ GROUNDED. NYC Mech: 1006.8
16.When would a heat exchanger not need shutoff valves? - ANSWER ✓ When
it is integral with the boiler
17.The flash point in a Hydronic system is -- F* above the maximum operating
temperature - ANSWER ✓ 50* F
18.The slope of piping for condensate is --% - ANSWER ✓ 1%
19.Piping Support ( Mechanical Code 2008 ) - ANSWER ✓ A. Steel pipe
support are spaced every 12 FT HORIZONTAL and 15 FT VERTICAL
B. Steel tube support are spaced every 8 FT HORIZONTAL and 10 FT
VERTICAL
20.What is the Inspection Frequency of a Boiler?
, A. Low Pressure Steam Internal and External?
B. Low Pressure Hot Water Internal and External?
C. High Pressure Steam Internal and External?
D. High Pressure Hot Water Boiler? - ANSWER ✓ A. Internal every 3
years and External every 2 years
B. Internal every 5 years and External every 2 years
C. Internal every 1 year and External every 1 year.
21.How is the Main Steam pressure gauges tested? - ANSWER ✓ With an
Inspectors Gage. HP Code: 14-9.21, 14-10.19/NYC Mech:1011.2
22.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
23.Who oversees the code for any plumbing installations? - ANSWER ✓ The
NYC Plumbing Code NYC Mech: 1002.1
24.When will anchorage or guides be inspected? - ANSWER ✓ Annually. NYC
Mech: 1210.3.1.2
25.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
26.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)
27.How long should a Hydronic System be pressure tested for? - ANSWER ✓ 2
hours at no less than 100 PSIG. NYC Mech: 1208.1
28.How is a gauge protected from excessive pressure? - ANSWER ✓ Shut off
Cock RCNY: 20-03 c,7
29.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
