NJ BLACK SEAL EXAM NEWEST 2026 ACTUAL EXAM
QUESTIONS AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) ALL ANSWERED {180 Q & A}
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A boiler produces 500 psi steam at 625 degrees F, normal
saturated steam condition is 467 degrees F. What is the degree of
superheat? - ✔✔✔ Correct Answer > 158 Degrees F (625-467)
Which of the following devices would not be considered as fuel
saving equipment? - ✔✔✔ Correct Answer > None of the above
What is the theoretical cycle of a simple power plant? - ✔✔✔ Correct
Answer > Rankine cycle
Which of the following stack gas readings would indicate fair to
good combustion? - ✔✔✔ Correct Answer > Low oxygen and carbon
dioxide, high carbon monoxide
A water hammer condition in a steam plant is dangerous
because it can? - ✔✔✔ Correct Answer > Lead to steam pipe failure
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Which of the following best describes saturated steam? - ✔✔✔
Correct Answer > Steam at a temperature corresponding with its
pressure
Which of the following is not an advantage of steam heating
systems? - ✔✔✔ Correct Answer > Only small pumps are needed to
move steam.
What is the function of the thrust bearing on a steam turbine? -
✔✔✔ Correct Answer > To maintain axial position of the rotor
What is the horsepower rating of a 10,000-KW steam turbine. -
✔✔✔ Correct Answer > 13,400 HP (1.341 HP= KW)
What is the stationary passage of an impulse turbine called? -
✔✔✔ Correct Answer > Nozzle
What prevents superheater tubes from warping or burning out? -
✔✔✔ Correct Answer > Continuous flow of steam through the
superheater tubes
What type of turbine allows doe the reclaiming of condensate for
use in the system? - ✔✔✔ Correct Answer > A condensing turbine
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In a high pressure steam plant, in which type of condenser would
the cooling water and steam come into direct contact? - ✔✔✔
Correct Answer > An open type
On a turbine driven feedwater pump, identify which two pipes are
larger - ✔✔✔ Correct Answer > Turbine steam exhaust and suction
lines
What would be over speed trip setting on a turbine with a normal
operating speed of 1770 RPM? - ✔✔✔ Correct Answer > 1947 (10%)
Shrouds are found on what piece of auxiliary equipment? - ✔✔✔
Correct Answer > Steam turbines
Where in a boiler system would you find a cyclone separator? -
✔✔✔ Correct Answer > In the steam drum
Which of the following best describes the operation of a surface
condenser? - ✔✔✔ Correct Answer > Cooling water flows through
tubes surrounded by exhaust system
Which of the following auxiliary equipment would you find an
atmospheric relief valve? - ✔✔✔ Correct Answer > A turbine condenser