Arkansas Boiler Operator Study Guide | 175 Questions with 100% Correct Answers | Verified | Latest Update 2024

Which valves are located between the boiler and the feedwater pump? - Feedwater Stop Valve and Feedwater Check Valve What is the function of the Check Valve? - To prevent the boiler pressure from forcing the boiler water back into a feedwater tank or deaerator when the pump shuts off. (Allows flow in only one direction) The 4 safety features required on a steam boiler is: - Safety Relief Valve, Blow Down Valve, Low Water Cut-off, Pressure Gauge Safety Relief Valves should be set by a: - Qualified Safety Valve Technician/Firm Which pressure is considered to be that of a low-pressure boiler? - 0-15 PSI-MAWP What could happen if a steam valve is opened quickly? - Carryover and Priming of the boiler water, causing the boiler water to be siphoned out of the boiler resulting in water hammer to the steam lines and equipment. No valve of any description shall be placed between the required safety relief valve or valves and the boiler, or on the discharge pipe between the safety valve and the atmosphere! (True or False) - True