网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?（）.
A
Discharge a cylinder of nitrogen into the container
B
Shade the container and periodically hose it down
C
Seal any ventilation openings and add dry ice
D
Spread ice over the top layer and in any voids within the container
参考答案
参考解析
解析：
暂无解析
更多 “单选题You are in a tropical port. The refrigeration machinery on a container loaded with air-cooled fruit fails. It cannot be repaired for 18 to 24 hours. Which step should you take to reduce the temperature rise and spoilage of the fruit?（）.A Discharge a cylinder of nitrogen into the containerB Shade the container and periodically hose it downC Seal any ventilation openings and add dry iceD Spread ice over the top layer and in any voids within the container” 相关考题
考题
(ii) Recommend which of the refrigeration systems should be purchased. You should state your reasonswhich must be supported by relevant calculations. (3 marks)
考题
When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates _______.A.good insulationB.bad insulationC.high insulation power factorD.a high slot discharge factor
考题
Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the ______.A.MSAB.CCSC.CCIQD.local port authority
考题
Before any machinery is put in operation，you should ______.A.ventilate all compartments，see that the machinery is clean and there are no obstructionsB.just turn the key and start upC.take for granted that there are no fuel leaksD.assume there are no volatile fumes in the engine space
考题
You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters，fuel barges，etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?A.No credentials are required since you operate on inland waters onlyB.Social Security cardC.State driver's license with photo IDD.Merchant Mariner's Document
考题
You are loading in the winter in Albany，N.Y.，for a voyage to a port governed by the tropical load line mark. Which of the following statements is TRUE? (Hydrometer reading in Albany is 1.000)A.You may not exceed the winter load line mark when you finish loading except for the burnout to seaB.You may calculate the burnout necessary to reach the tropical zone and load extra cargo to compensateC.The freshwater allowance and burnout to sea may be subtracted from the required freeboard in AlbanyD.You may load to the winter mark less the fresh water allowance if you will be at the tropical mark upon arrival in the tropical zone
考题
You are in a tropical port．The refrigeration machinery on a container loaded with air-cooled fruit fails．It cannot be repaired for 18 to 24 hours．Which step should you take to reduce the temperature rise and spoilage of the fruit ________．A.Discharge a cylinder of nitrogen into the containerB.Shade the container and periodically hose it downC.Seal any ventilation openings and add dry iceD.Spread ice over the top layer and in any voids within the container
考题
Tropical cyclones are classified by form and intensity．Which system does not have closed isobars ________．A.HurricaneB.Tropical disturbanceC.Tropical depressionD.Cyclone
考题
In the daytime, you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows ______.A.a black ballB.a black coneC.two black conesD.a basket
考题
You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. Toyour surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？（）A、IEEE 802.1QB、IEEE 802.10C、Misconfigured NICD、User configurationE、All of the above
考题
You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you find a USB controller there but with a yellow warning icon next to the host controller name. What should you do to resolve this problem？ （）A、Update the scanner drivers using certified driversB、Enable the USB port in the computers BIOS again.C、Contact the maker or vendor for you system and obtain the current version of BIOS.D、Enable the USB hub controller in device manager.
考题
单选题Before using a fixed CO2 system to fight an engine room fire，you must（）.A
secure the engine room ventilationB
secure the machinery in the engine roomC
evacuate all engine room personnelD
All of the above
考题
单选题In the daytime，you see a large sailing vessel on the beam. You know that she is also propelled by machinery if she shows（）.A
a basketB
a black ballC
a black coneD
two black cones
考题
单选题You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters，fuel barges，etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew? （）A
No credentials are required since you operate on inland waters onlyB
Social Security cardC
State driver's license with photo IDD
Merchant Mariner's Document
考题
单选题Refrigeration machinery is often surveyed before loading reefer cargo. This survey is usually performed by the（）.A
MSAB
CCSC
CCIQD
local port authority
考题
单选题If a refrigeration compressor is short cycling on high head pressure, you should （）.A
purge the condenser if the waterside is dirtyB
check for proper water flow through the condenserC
increase the high pressure cutout settingD
reduce the cooling water flow
考题
单选题If you are caught in the left semicircle of a tropical storm，in the Southern Hemisphere，you should bring the wind（）.A
On the starboard quarter，hold course and make as much way as possibleB
2 points on the port quarter，and make as much way as possibleC
On the port bow，and make as much way as possibleD
Dead ahead and heave to
考题
单选题When you are making a high potential test on a piece of repaired electrical machinery, a rise in leakage current indicates （）.A
good insulationB
bad insulationC
high insulation power factorD
a high slot discharge factor
考题
单选题How can you estimate the position of a tropical storm’s center?（）A
With a radio weather bulletin or weather faxB
using shipboard radarC
observe the wind direction and apply Buys Ballot's lawD
All of the above
考题
单选题You have determined that you are in the right semicircle of a tropical cyclone in the Northern Hemisphere.What action should you take to avoid the storm（）.A
Place the wind on the starboard quarter and hold that courseB
Place the wind on the port quarter and hold that courseC
Place the wind on the port bow and hold that courseD
Place the wind on the starboard bow and hold that course
考题
单选题You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. Toyour surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？（）A
IEEE 802.1QB
IEEE 802.10C
Misconfigured NICD
User configurationE
All of the above
考题
单选题If you change from a low pour point lubricant to a high pour point lubricant in a refrigeration system, （）.A
compressor lubrication will be improvedB
oil will not leave the crankcaseC
compressor valves will be damagedD
oil may congeal in the evaporator
考题
单选题You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you did not find any USB controller there. What should you do to resolve this problem？（）A
Update the scanner drivers using certified driversB
Enable the USB port in the computers BIOSC
Enable the USB hub controller in device manager.D
Reinstall the USB device driver and disable the USB error detection
考题
单选题Before any machinery is put in operation，you should（）.A
ventilate all compartments，see that the machinery is clean and there are no obstructionsB
just turn the key and start upC
take for granted that there are no fuel leaksD
assume there are no volatile fumes in the engine space
考题
单选题During tours of inspection in the machinery space, you found a fire on a running generator, what should you do first?（）A
inform chief engineer officer immediatelyB
stop the generatorC
let the duty officer in bridge determine how to doD
wait for help
考题
单选题You have abandoned ship in tropical waters. Which procedure(s) should be used during a prolonged period in a raft?（）.A
Wet clothes during the day to decrease perspirationB
Get plenty of restC
Keep the entrance curtains openD
All of the above
考题
单选题You’re a network administer and you issue the command （show port 3/1） on an Ethernet port. To your surprise you notice a non-zero entry in the ’Giants’ column. What could be the cause of this？ （）A
IEEE 802.1QB
IEEE 802.10C
Misconfigured NICD
User configurationE
All of the above
热门标签
最新试卷
