Due to the hazards involved with Halon extinguishers on a ship,the size II extinguisher may only be used().
A、A.outside
B、B.on class C fires
C、C.in an emergency
D、D.on class B fires
A、A.outside
B、B.on class C fires
C、C.in an emergency
D、D.on class B fires
A、clockwise, due to the bowl rotating clockwise B、clockwise, due to the bowl rotating counterclockwise C、counterclockwise, due to the bowl rotating clockwise D、counterclockwise, due to the bowl rotating counterclockwise
A、A.for the part B、B.for the whole C、C.for the parts of damage not due to causes within the exception D、D.for the parts of damage due to causes within the exception
A、A. Compilation succeeds. B、B.Compilation fails due to multiple errors. C、C.Compilation fails due to an error only on line 20. D、D.Compilation fails due to an error only on line 21. E、E.Compilation fails due to an error only on line 22. F、F.Compilation fails due to an error only on line 12.
A、An attempt to start a new session by the user belonging to DSS_QUERIES fails with an error B、A user belonging to DSS_QUERIES can log in to a new session but the session will be queued C、The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management . D、The CPU_WAIT_TIME column indicates the total time that sessions in the consumer group waited for the CPU due to resource management, I/O waits, and latch or enqueue contention
A、deeply-grooved drum on the windlass with sprockets which engage the links of the anchor chain B、winch that is running out of control due to a failure of the overspeed trips C、line that has jumped off the gypsyhead while under strain D、nylon line that parts under strain and whips back in a hazardous manner
A、I want to see the captain. B、I want to see the bosun. C、I want to see the chief officer. D、I want to see the second officer.