海船船员考试
单选题When to remove scale from the cooling spaces, acid solution （） in the system can be tested from time to time by putting some on to a piece of lime.A strengthB denseC percentageD velocity
题目
strength
dense
percentage
velocity
相似问题和答案
第1题：
You install Windows 2000 Professional on your portable computer. You install an SCSI and PC card adapter, that you can use in the office to use color scanner. You use a docking station for your computer when you are in the office. You want to maximize the battery performance for your portable computer. You also want to prevent the driver from loading whenever you are away from the office. What should you do?（）
- A、When away from the office use Device Manager to remove the adapter.
- B、When away from the office configure the startup properties for the adapter to be automatic.
- C、Remove the computer from the docking station and start Windows 2000 Professional to disable the SCSI PC card adapter device for the current profile.
- D、Remove the computer from the docking station and start Windows 2000 Professional, use Device Manager to remove SCSI PC card adapter device.
正确答案:C
第2题：
50
20
40
45
35
Remember that 2 quarts of acid are 4 pints. There are now 8×25%+4, or 6 pints of acid in 12 pints of solution. Therefore the new solution is 4/10 or 50%acid.
第3题：
A. Server room access should be limited to authorized personnel.
B. Servers should be kept in a warm and dark environment.
C. Remove the floppy drives from the system.
D. The server administrator should ensure adequate levels of cooling.
第4题：
Ⅰ+Ⅱ
Ⅱ+Ⅲ
Ⅲ+Ⅳ
Ⅰ+Ⅳ
第5题：
look for a CO2 extinguisher
use a soda acid extinguisher
shut off the fuel supply
smother the fire with rags
第6题：
You are the administrator of a network supporting Windows 2000 Professional computers. You want to configure user Group Policy to achieve these results: Allow users to view the options in the Offline Files dialog box Remove the Offline Files tab from the Folder Options dialog box Disable the Settings button in the Offline Files Status dialog box Remove the Settings command from the Offline Files shortcut menu Your proposed solution is to enable the group policy setting Disable user configuration of Offline Files. Which results does the proposed solution provide?（）
- A、Users can view the options in the Offline Files dialog box
- B、The Offline Files tab is removed from the Folder Options dialog box
- C、The Settings button in the Offline Files Status dialog box is disabled
- D、The Settings command is removed from the Offline Files shortcut menu
正确答案:B,C
第7题：
notify the duty officer, reduce the engine speed, take some measures to remove failures
notify the duty officer and stop the engine immediately, find the cause and remove failures
notify the C/E
notify the captain
第8题：
Which of the following is the MOST important factor when considering environmental factors?（）
- A、Server room access should be limited to authorized personnel.
- B、Servers should be kept in a warm and dark environment.
- C、Remove the floppy drives from the system.
- D、The server administrator should ensure adequate levels of cooling.
正确答案:D
第9题：
to increase the system efficiency by sensible heat transfer
to stop the liquid from flashing
to reduce the load on the compressor
to remove latent heat of vaporization and the suction piping transfer
第10题：
to decrease scale formation
for better cooling effect
for more economical purpose
to raise vacuum