Multiple-choice questions (3 points for participation, 8 points for correct answers)
Thread Content
The correct cause of overpressure in an abandoned boiler and the appropriate treatment are ( ) A. The opening degree of the steam valve in the drum is low. Open the steam outlet valve and the vent valve. B. The level of waste boiler liquid is too high. Lower liquid level C; high temperature of process gas entering the waste boiler. Control the appropriate gas temperature D, and close the valves connecting to the system. Open valves ABCD
ABCD~~~~~~~~~
The correct reasons for overpressure in the waste boiler and the appropriate measures to address it are (ABCD). A: The opening degree of the steam valve in the drum is low. Open the steam outlet valve and the vent valve. B. The level of waste boiler liquid is too high. Lower liquid level C; high temperature of process gas entering the waste boiler. Control the appropriate gas temperature D, and close the valves connecting to the system. Open the valve
B. The level of waste boiler liquid is too high. Lower the liquid level
A. The opening degree of the drum steam valve is low. Open the steam outlet valve and the vent valve. B. The level of waste boiler liquid is too high. Lower liquid level C; high temperature of process gas entering the waste boiler. Control the appropriate gas temperature D, and close the valves connecting to the system. Open the valve
A. The opening degree of the drum steam valve is low. Open the steam outlet valve and the vent valve. B. The level of waste boiler liquid is too high. Lower liquid level C; high temperature of process gas entering the waste boiler. Control the appropriate gas temperature D, and close the valves connecting to the system. Open the valve