A、a broken shaft on the freshwater pump
B、an excessive accumulation of scale exchanger
C、an incorrect thermostatic element operating range
D、lube oil in the cooling water
更多“If the coolant temperature of a closed cooling water system for a diesel engine gradually increases, the trouble usually is （）”相关的问题
A、The operating system’s temporary folder will be opened. B、Applications located in the %temp% folder will be executed. C、Applications will be deleted in the %temp% folder. D、The current user’s temporary folder will be opened.
A、The coolant temperature must be maintained at 180℃ B、The thermostatic bypass valves must be manually opened before the engine is started C、The pressure cap must be removed while the engine is secured D、Electrical power to the heater must be secured before the cooling system is drained
A、the inlet valve B、the outlet valve C、both the inlet valve and the outlet valve D、the pump inlet valve
A、 DROP TABLESPACE temp1； B、 DROP TABLESPACE temp1 INCLUDING CONTENTS； C、 DROP TABLESPACE temp1 INCLUDING CONTENTS AND DATAFILES； D、 DROP TABLESPACE temp1 INCLUDING CONTENTS CASCADE CONSTRAINTS；
A、To backup temp files, the /T switch must be used. B、NTBACKUP does not backup temp files by default. C、The NTBACKUP utility cannot backup temp files. D、NTBACKUP is not running under the correct credentials.
A、coolant for the distillate B、coolant for the brine cooler C、means of heating the feedwater D、primary means of producing a vacuum within the distiller
A、air filtration is inadequate B、engine coolant leaking into the lube oil C、fuel oil is leaking into the lube oil D、the piston rings are excessively worn
A、a low level in the engine expansion tank B、excessively high coolant pressure C、improper temperatures D、malfunctioning of the jacket water heater
A、A. It will create the tablespace TEMP1 in group G1. B、B. It will create the tablespace TEMP1 in group G3. C、C. It will not add the tablespace TEMP1 to any group. D、D. It will create the tablespace TEMP1 in the default group.
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