A、sudden evaporation of wax crystals in the lubricant
B、sudden evaporation of entrapped air in the lubricant
C、release of refrigerant from the oil/refrigerant mixture
D、release of dissolved lubricant from the refrigerant
更多“The sudden reduction of pressure occurring within the crankcase of a refrigeration compressor during starting causes the （）.”相关的问题
A、which the sudden operational failure B、that the sudden operational failure C、the sudden operational failure D、the sudden operational failure of which
A、A.rapid reduction of ship’s friction force B、B.shaft system over mechanical load C、C.sharp growth of the torque of diesel engine D、D.propeller torque change along J=0 curve
A、the stopping engine suddenly B、the sailing astern and changing direction suddenly C、the sailing from the shallow water area to the deep water area D、the ship’s trim too much
A、stopping the main engine suddenly B、changing the main engine running direction suddenly C、the sailing from the shallow water area to the deep water area D、the ship’s trim too much
A、The deleted file is still open by the application.The system must be rebooted before'df' will show the reduction in the filesystem. B、The deleted file is still open by the application.The application must be stoppedbefore 'df' will show the reduction in the filesystem. C、The filesystem is still marked as full in the /etc/fs.status file.The system must be rebooted before 'df' will show the reduction in the filesystem. D、The filesystem is still marked as full in the /etc/fs.status file.The application must be stopped before 'df' will show the reduction in the filesystem.
A、must churn the oil in the sump B、is connected to the propeller shaft C、is driven at the highest RPM D、compensates for alignment variations between the engine and pinion gear
A、as the basis for star charts B、to enter a star finder C、in sight reduction using Pub 249 D、in sight reductions of planet observations
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