Plant Operations BOMA Pre-Quiz 1-100 2025- 2026 Most Recent Version Comprehensive 100 Questions and Verified Answers Accurate Solutions Already Graded A+ Get It 100% Correct
10 psig is equal to:
- -4.7 psia
- 14.7 psia
- 24.7 psia
d. 29.4 psia - CORRECT ANSWER: c. 24.7 psia
A cushioned check valve is used for:
- a safety valve
- an automatic non-return valve
- a pressure relief valve
d. A and C - CORRECT ANSWER: b. an automatic non-return valve
A deaerator tank 10 feet high has how much head pressure?
- .433 psig
- 4.33 psig
- 43.3 psig
d. 10 psig - CORRECT ANSWER: b. 4.33 psig
A draft gauges measure:
- PSIG
- PSIA 1 / 3
- Inches of H20
d. Inches of Hg - CORRECT ANSWER: c. Inches of H20
A flame scanner monitors:
- the pilot and main flame
- the pilot only
- the main flame only
d. the boiler water level - CORRECT ANSWER: a. the pilot and main flame
A PH of 7.2 would be:
- slightly acid
- slightly alkaline
- neutral
d. very acid - CORRECT ANSWER: b. slightly alkaline
A three element feedwater regulator measures:
- drum water level
- steam flow
- water flow
d. all of the above - CORRECT ANSWER: a. drum water level
Acceptable PH levels of the boiler water might be:
- 5-7
- neutral
- 9-11
d. 12-13 - CORRECT ANSWER: c. 9-11
- / 3
Air compressors require:
- high viscosity oil
- low sulfur oil
- low temperature oil
d. detergent free oil - CORRECT ANSWER: d. detergent free oil
Air over the stoicometric amount of air is called:
- control
- excess
- secondary
d. primary - CORRECT ANSWER: b. excess
Before firing a boiler, it must FIRST:
- ignite pilot
- prove the pilot
- prepurge
d. prove the main flame - CORRECT ANSWER: c. prepurge
Boiler draft is the difference in _____ between two points:
- gas flow
- water flow
- pressure
d. wind - CORRECT ANSWER: c. pressure
Boiler efficiency is increased by?
- open feedwater heaters
- air preheaters
- / 3