海船船员考试
单选题Which of the following problems can cause fluctuating pressures in the closed cooling system of a main propulsion diesel engine?（）A Defective temperature controls in the systemB Cavitation in the cooling water pumpC Opened vent in the cooling systemD R
题目
Defective temperature controls in the system
Cavitation in the cooling water pump
Opened vent in the cooling system
Restricted water passages in the engine
相似问题和答案
第1题：
You are attempting to troubleshoot some problems within your local network.Which of the following are router IOS commands that can be used to troubleshoot LAN connectivity problems?（）
- A、ping
- B、tracert
- C、ipconfig
- D、show ip route
- E、winipcfg
- F、show interfaces
- G、All of the above
正确答案:A,D,F
第2题：
Which of the following utilities can be used to diagnose DirectX hardware and driver problems?（）
- A、Device manager
- B、Computer management
- C、msinfo32
- D、dxdiag
正确答案:D
第3题：
A. Device manager
B. Computer management
C. msinfo32
D. dxdiag
第4题：
ping
tracert
ipconfig
show ip route
winipcfg
show interfaces
All of the above
第5题：
A server is having problems booting into the operating system. Which of the following can provide important information to begin to trouble shoot the cause？（）
- A、 System logs
- B、 Firmware updates
- C、 POST messages
- D、 Application logs
正确答案:C
第6题：
Which of the following can cause a ribbon on an impact printer to tear?（）
- A、The fuser
- B、The toner cartridge
- C、The platen
- D、The printhead
正确答案:D
第7题：
A section of the building has been having intermittent connectivity problems lately. An action plan and solution has been created. Which of the following steps would an administrator perform NEXT?（）
- A、Document the solution and process.
- B、Establish the most probable cause.
- C、Implement and test the solution.
- D、Identify additional symptoms and problems
正确答案:C
第8题：
A. Create an action plan
B. Implement and test a solution
C. Determine if anything has changed
D. Identity a probable cause
第9题：
The failure of which of the following components can cause a server to display a POST error message？（）
- A、Parallel HASP key
- B、DVD driver
- C、Memory
- D、Chassis LED
正确答案:C
第10题：
An open vent in the cooling system
A fouled sea chest
A restricted water passage in the engine
Air entrained in the cooling water