海船船员考试
单选题The cooling system（） needs least maintenance work for in this kind of system（）A open；the minimum componentsB open；the high cooling efficiencyC central；there are more coolers and a extra set of pumpsD central；there is only one component contacts seawate
题目
open；the minimum components
open；the high cooling efficiency
central；there are more coolers and a extra set of pumps
central；there is only one component contacts seawater
相似问题和答案
第1题：
High diesel engine cooling water temperatures can be caused by ______.
A.air in the cooling system
B.an overhauled water pump
C.correct amount of coolant
D.no air in the cooling system
第2题：
A laser printer displays ‘perform user maintenance’. The manufacturer’s information was not available when the user performed the maintenance, and the laser printer continues to display the maintenance code. Which of the following items needs to be performed?（）
- A、The printer needs to be sent to the manufacturer for maintenance.
- B、The printer’s firmware needs to be updated.
- C、A printer system reset must be performed.
- D、The maintenance page counter must be reset.
正确答案:D
第3题：
Cleaning, painting and repair work is known as ______.
A.maintenance work
B.sailor’s work
C.daily work
第4题：
Which of the following accurately describes the meaning of redundant cooling？（）
- A、The source of cooling to a RAID system
- B、The cooling system in a redundant power supply
- C、A cooling system that can be installed in case of failure
- D、A second cooling system in case of a failure
正确答案:D
第5题：
Cleaning, painting and repairing work is known as （）work.
- A、sailors’
- B、motormen’s
- C、daily
- D、maintenance
正确答案:D
第6题：
清洁，涂漆，修理工作称为船舶保养工作。（）
- A、Cleaning, painting and repairing work are known as sailor’s work.
- B、Cleaning, painting and repairing work are known as maintenance work.
- C、Painting, repairing and cleaning work are known as maintenance work.
- D、Cleaning, painting and repairing work are known as daily work.
正确答案:B
第7题：
The Database Resource Manager is automatically enabled in the maintenance window that runs the Automated Maintenance Task. What is the reason for this？（）
- A、 to prevent the creation of an excessive number of scheduler job classes
- B、 to allow the Automated Maintenance Tasks to use system resources without any restriction
- C、 to allow resource sharing only among the Automated Maintenance Tasks in the maintenance window
- D、 to prevent the Automated Maintenance Tasks from consuming excessive amounts of system resources
正确答案:D
第8题：
Low compressor head pressure in a refrigeration system can be caused by ___.
A.insufficient condenser cooling water
B.excessive condenser cooling water
C.air in the refrigeration system
D.excessive refrigerant in the system
第9题：
A customer wants to install a pSeries system into an OEM rack. What critical information is provided in the Site and Hardware Planning Information manual？（）
- A、System dimensions and weight， system power and cooling requirements， and list of supported OEM racks
- B、System dimensions and weight， list of supported OEM racks， and requirements for installing IBM systems into OEM racks
- C、System performance specs， system power and cooling requirements， and requirements for installing IBM systems into OEM racks
- D、System dimensions and weight， system power and cooling requirements， and requirements for installingIBM systems into OEM racks
正确答案:D
第10题：
A technician plugs a USB device into the computer. The system tray displays a message that reports the device is installed, but may not work properly. Which of the following is the MOST likely cause of the message?（）
- A、The device needs a firmware update
- B、The device needs an updated driver installed
- C、The plugged in device is too slow for the USB port speed
- D、The device is incompatible with the installed version of Windows
正确答案:B