Boiler License Test 2025 Latest Prep Test Bank
With 100 Questions and Correct Verified Answers/
Boiler Operator License Exam 2025 Practice Test
(Brand New!)MOST TESTED QUESTIONS
1. ______ are necessary for complete combustion.
A. Forced draft, air, time, and temperature
B. Mixture, atomization, time, and temperature
C. Time, temperature, and draft
D. Heat, draft, and turbulence – ANSWER****B. Mixture, atomization, time, temperature
2. If a steam pressure gauge indicates 80 psig, the absolute pressure is _____ psia.
A. 14.7
B. 65.3
C. 80.0
D. 94.7 – ANSWER****D. 94.7
3. A neutral solution is _____ on the pH scale.
A.0.0
B. 7.0
C.8.3
D. 11.0 – ANSWER****B 7.0
4. A (n) _____ test is used to determine smoke density
A. pH
B. Ringelmann
C. MATT
D. Orsat – ANSWER****B. Ringelmann
