12. To ensure the efficient operation of water-tube boilers, there is a compelling demand for clean, and free from gases in solution (e.g. air, oxygen). What equipment is it? (A) Purifier (B) Generator (C) De-aerator (D) Separator

11. The following are about air running procedures. Which is correct? (A) Make sure the flywheel has completely stopped, and then press the START switch. (B) If a large amount of fuel oil, cooling water or lubricating oil should be entrapped in cylinders, “water hammering” may occur. (C) Making sure there is no abnormality. Then, start the engine by the alarm panel on the engine side. (D) Set the ENGINE/REMOTE operation selector switch in the ENGINE position. And open the pressure indicator cocks of all the cylinders. Then set the start/stop lever in the STOP position. Finally hold the START switch pressing for 2 to 3 seconds to effect air running.

12. To ensure the efficient operation of water-tube boilers, there is a compelling demand for clean, and free from gases in solution (e.g. air, oxygen). What equipment is it? (A) Purifier (B) Generator (C) De-aerator (D) Separator

其他試題

12. To ensure the efficient operation of water-tube boilers, there is a compelling demand for clean, and free from gases in solution (e.g. air, oxygen). What equipment is it?
(A) Purifier
(B) Generator
(C) De-aerator
(D) Separator