海船船员考试
单选题Which of the following would cause a diesel to have black smoke?（）A leaky injectorB water in the gasC too heavy oilD water in the oil
题目
leaky injector
water in the gas
too heavy oil
water in the oil
相似问题和答案
第1题：
Sudden unloading of a diesel engine can cause ______．
A.Decreased fuel efficiency
B.Increased exhaust temperature
C.Black smoke
D.Overspeed trip
第2题：
You are trying to deploy a configuration job to an ios access point using the wlse， but the job fails. Which of the following would cause this failure？（）
- A、snmp communities
- B、telnet/ssh user/password
- C、wlccp credentials
- D、http user/password
正确答案:B
第3题：
Which of the following organizational forms would be likely to have an individual with the title of Vice President for Project Management?
A . Classical / traditional
B . Pure project
C . Matrix
D . Project coordinator
E . None of the above
第4题：
Which of the following types of media would MOST likely cause above normal amounts of machine jamming？（）
- A、Envelopes
- B、Colored media
- C、Letterhead
- D、Pre punched
正确答案:A
第5题：
In Recovery Manager （RMAN）， you have set control file autobackup to ON by using the following command： CONFIGURE CONTROLFILE AUTOBACKUP ON; Which two events would cause the control file to be backed up automatically？ （）
- A、a tablespace is taken offline
- B、the database instance is restarted
- C、a new data file is added to an existing tablespace
- D、a successful backup is recorded in the RMAN repository
- E、the RMAN connection is disconnected from the target database
正确答案:C,D
第6题：
B. The star would be destroyed completely.
C. Much of the star's matter thrown by the explosion would be beyond the black hole's reach.
D. The black hole would completely devour the star.
第7题：
When performing a backup， which of the following media types would have no moving parts？（）
- A、 Tape
- B、 Flash
- C、 WORM
- D、 Optical
正确答案:B
第8题：
A.If I had time, I would study French
B.If I have time, I will study French
C.If I had had time, I would have studied French
D.If I should have time, I would study French
答案：B
解析：条件句可分为两类，一类为真实条件句，一类为非真实条件句。非真实条件句表示的是假设或实际可能性不大的甚至完全不可能发生的情况，故采用虚拟语气。
A选项中，if+主语+一般过去时表示与现在事实相反，为虚拟语气；B选项中，if引导的是一个一般现在时的条件状语从句，为真实条件句；C选项中，if+主语+had done表示与过去事实相反，为虚拟语气；D选项中，if+主语+should do表示与将来事实相反，为虚拟语气。题干意为：下列条件句中那个是真实条件，所以答案选B。
第9题：
Which of the following bottlenecks would MOST likely cause excessive hard drive activity?（）
- A、Inadequate RAM
- B、Slow processor
- C、PCI bus
- D、Excessive network traffic
正确答案:A
第10题：
Bob, a technician, is troubleshooting a PC that intermittently does not power on. Which of the following tools would be the BEST choice to use to verify a possible cause? （）
- A、Cable tester
- B、Ohm meter
- C、Field strength meter
- D、PSU tester
正确答案:D