海船船员考试
单选题Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?（）A A shortage of liquid refrigerantB Excessive frost on the evaporatorC Excessive condenser cooling waterD Insufficient c
题目
A shortage of liquid refrigerant
Excessive frost on the evaporator
Excessive condenser cooling water
Insufficient condenser cooling water flow
相似问题和答案
第1题：
Which of the problems listed could cause erosion of the expansion valve disks and seats?
A.Overcharging the system with refrigerant
B.Faulty compressor suction valve
C.Failure of the high pressure cutout
D.Flash gas formed in the liquid line
第2题：
Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）
- A、Dust
- B、Power Surge
- C、Excessive humidity
- D、High temperatures
正确答案:A
第3题：
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?
A.A shortage of liquid refrigerant.
B.Excessive frost on the evaporator.
C.Excessive condenser cooling water.
D.Insufficient condenser cooling water flow.
第4题：
Which of the following could cause an Inaccessible boot drive error during the boot process? （）
- A、HDD failure
- B、DVI failure
- C、USB failure
- D、CD failure
正确答案:A
第5题：
In which of the following topologies could the failure of one machine cause the entire network tostop functioning?（）
- A、Mesh
- B、Token ring
- C、Star
- D、Spanning tree
正确答案:B
第6题：
Which of the listed problems could produce a high absolute pressure within a flash type evaporator?
A.production of high salinity distillate
B.seawater feed temperature below 165℃
C.a leak in the first stage demister
D.a cracked distillate pump vent line
第7题：
Which of the following components could MOST likely cause Mike, a technician, to receive a ‘Nonsystem disk or disk error’ after POST?（）
- A、Bad memory
- B、Video card
- C、Faulty chipset
- D、FDD
正确答案:D
第8题：
A. Mesh
B. Token ring
C. Star
D. Spanning tree
第9题：
A server is having problems accessing its presented storage on a SAN. Which of the following could be causing the problem？（）
- A、NIC
- B、HBA
- C、Tape backup drive
- D、SCSI adapter
- E、CPU
正确答案:A,B
第10题：
Which of the following could cause an NTLDR error on reboot?（）
- A、Processor is failing
- B、Services failed to start on bootup
- C、RAM is faulty
- D、Boot.ini file is corrupt
正确答案:D