Arkansas Boiler Operator Study Questions With Complete Solutions
Which valve is between the boiler and the return pump? correct answer: Check Valve What is the the function of the check valve? correct answer: To prevent the water from returning to the condensation tank from the boiler after the pump shuts off. Four safety features required on the steam boiler are: correct answer: Safety relief valve, blow-down valve, low water cut-off, and pressure gauge. Safety relief valves should be set by: correct answer: Qualified safety valve technician/firm. Which pressure is considered to be that of a low-pressure boiler? correct answer: 0-15 PSI MAWP What could happen if a steam valve is open too quickly? correct answer: Water could be siphoned out of the boiler causing damage to the boiler and steam lines. Why are steam lines insulated? correct answer: To prevent loss of heat during steam transfer. What operating pressure indicates a high pressure boiler? correct answer: 16 PSI and above A steam valve should be opened slowly? correct answer: True Improper mixtures of gas and air causes soot in boiler flues correct answer: True
École, étude et sujet
Infos sur le Document
- Publié le
- 7 mars 2023
- Nombre de pages
- 5
- Écrit en
- 2022/2023
- Type
- Examen
- Contient
- Questions et réponses
Sujets
-
arkansas boiler operator study questions with complete solutions
Document également disponible en groupe