Which of the listed conditions can be considered as the single greatest cause of accident?

Which of the listed sections of an emergency switchboard is used to supply power for alarm signals under emergency conditions?（）

Using the LIST command in Recovery Manager (RMAN), which two pieces of information in the RMANrepository can be listed?（） (Choose two.)

Which of the listed substances can be satisfactorily removed from diesel fuel by centrifuging?（）

Which of the valves listed should be used either in the fully opened or the fully closed position?（）

Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）

The loss of the diesel engine cylinder air charge through leaky valves, piston rings, worn or scored liners, would be indicated by which of the following sets of conditions?（）

In most cases，the mere reception or dumping down of the cargo on the ship（）involve completion of loading，because the operation of loading involves all that is required to put the cargo in a condition in which it can be carried．

For the proper control of the air temperature in an air conditioning system using chilled water circulation, which of the listed conditions should remain constant regardless of load changes?（）

Which of the following printer failure symptoms can be described as a condition where the internal feed mechanism has stopped working temporarily?（）

Which of the following can be the best title of this text?