NJ High Pressure Black Seal Exam Prep Newest with
Complete Questions and Correct Detailed Answers |NJ
Black Seal Low Pressure, 3 of 3 Exam Brand New
Version!
By N.J.A.C. 12:90 rules, what is the minimum thickness allowed for atmospheric
type blowdown tank? - CORRECT ANSWER ✔✔- 5/16 inch
The valve identified as (a) is what type of valve? - CORRECT ANSWER ✔✔- gate
Valve
A boiler with an MAWP of 150 psi and a safety valve setting of 100 psi with a 3"
valve disc - what would be the total force needed to open the safety valve against
opposing spring force? - CORRECT ANSWER ✔✔- 707 lbs
Boiler manways and handholes are oval for what reason? - CORRECT ANSWER
✔✔- for removal from the pressure vessel
Air receivers must conform to what ASME Code? - CORRECT ANSWER ✔✔-
Section VIII
What is the total horsepower of a plant that has three 350 hp boilers and one 500
kW steam turbine? - CORRECT ANSWER ✔✔- 1,720 hp
How are the tube sheets supported in a fire-tube boiler? - CORRECT ANSWER
✔✔- by the shell, stays, and tubes
1|Page
, The Mechanical Inspection Bureau incorporates by reference various codes,
standards and practices. Once specific safety practice incorporated by reference
for licensed operators specifies and identifies one called a qualified individual.
How is the qualified individual identified in this reference? - CORRECT ANSWER
✔✔- A boiler service technician who is engaged in and responsible for the
installation, replacement, repair or service of the boiler, fuel burning controls, and
safety devices and is experienced in such work. In some states this individual must
also hold an appropriate boiler operator's license.
Where would you find downcomer tubes? - CORRECT ANSWER ✔✔- in water-tube
boilers
T/F An applicant for an engineer's license may upon prior request be examined
through a reader or interpreter who may accompany the applicant, provided the
reader is accepted to the mechanical inspection bureau of boiler and pressure
vessel compliance? - CORRECT ANSWER ✔✔- False
What is the Act (Law) that establishes the licensing requirements in the state of
NJ for Stationary, Power Engineers, Refrigeration Engineers and Boiler Operators?
- CORRECT ANSWER ✔✔- N.J.S.A 34:7-1
Which is the act that a Mechanical Inspection Bureau exists in New Jersey? -
CORRECT ANSWER ✔✔- The New Jersey Statute Annotated (NJSA) 34:1-38.1
Which of the following is a generally accepted method for locally verifying that a
manual valve is fully closed in a depressurized static piping system? - CORRECT
ANSWER ✔✔- Attempt to turn the valve hand wheel in the fully closed direction
and verify no movement.
2|Page
Complete Questions and Correct Detailed Answers |NJ
Black Seal Low Pressure, 3 of 3 Exam Brand New
Version!
By N.J.A.C. 12:90 rules, what is the minimum thickness allowed for atmospheric
type blowdown tank? - CORRECT ANSWER ✔✔- 5/16 inch
The valve identified as (a) is what type of valve? - CORRECT ANSWER ✔✔- gate
Valve
A boiler with an MAWP of 150 psi and a safety valve setting of 100 psi with a 3"
valve disc - what would be the total force needed to open the safety valve against
opposing spring force? - CORRECT ANSWER ✔✔- 707 lbs
Boiler manways and handholes are oval for what reason? - CORRECT ANSWER
✔✔- for removal from the pressure vessel
Air receivers must conform to what ASME Code? - CORRECT ANSWER ✔✔-
Section VIII
What is the total horsepower of a plant that has three 350 hp boilers and one 500
kW steam turbine? - CORRECT ANSWER ✔✔- 1,720 hp
How are the tube sheets supported in a fire-tube boiler? - CORRECT ANSWER
✔✔- by the shell, stays, and tubes
1|Page
, The Mechanical Inspection Bureau incorporates by reference various codes,
standards and practices. Once specific safety practice incorporated by reference
for licensed operators specifies and identifies one called a qualified individual.
How is the qualified individual identified in this reference? - CORRECT ANSWER
✔✔- A boiler service technician who is engaged in and responsible for the
installation, replacement, repair or service of the boiler, fuel burning controls, and
safety devices and is experienced in such work. In some states this individual must
also hold an appropriate boiler operator's license.
Where would you find downcomer tubes? - CORRECT ANSWER ✔✔- in water-tube
boilers
T/F An applicant for an engineer's license may upon prior request be examined
through a reader or interpreter who may accompany the applicant, provided the
reader is accepted to the mechanical inspection bureau of boiler and pressure
vessel compliance? - CORRECT ANSWER ✔✔- False
What is the Act (Law) that establishes the licensing requirements in the state of
NJ for Stationary, Power Engineers, Refrigeration Engineers and Boiler Operators?
- CORRECT ANSWER ✔✔- N.J.S.A 34:7-1
Which is the act that a Mechanical Inspection Bureau exists in New Jersey? -
CORRECT ANSWER ✔✔- The New Jersey Statute Annotated (NJSA) 34:1-38.1
Which of the following is a generally accepted method for locally verifying that a
manual valve is fully closed in a depressurized static piping system? - CORRECT
ANSWER ✔✔- Attempt to turn the valve hand wheel in the fully closed direction
and verify no movement.
2|Page
