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
The inner part of the condenser should be cleaned with （）.
A
gas oil
B
diesel oil
C
chemical compound
D
Freon-12
参考答案
参考解析
解析：
暂无解析
更多 “单选题The inner part of the condenser should be cleaned with （）.A gas oilB diesel oilC chemical compoundD Freon-12” 相关考题
考题
The twentieth century saw great change. In your opinion, what is one change that should be remembered about the twentieth century? Write an essay of about 400 words to state your opinion.In the first part of your essay you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary.You should supply an appropriate title for your essay.Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
考题
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
Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an ____.A.Orsat apparatusB.flame safety lampC.Halide torchD.combustible gas indicator
考题
The underlined word “dissolve” is used to express the idea that organic matter and minerals from soil are .A. rushed away into the riverB. cleaned and purified by waterC. destroyed and carried away by waterD. mixed with water and become part of it
考题
In many instances a void space will be created in the centre of the row，and a ______ should be placed so that it sits above the two innermost coils．A.locking coilB.sitting coilC.inner coilD.safe coil
考题
When bunkering is complete，the hoses should be ______．A.Cleaned internally with a degreaserB.Washed out with hot soapy waterC.Drained，blanked off，and stored securelyD.Stowed vertically and allowed to drain
考题
单选题If a mooring line should part while you are tying up at a dock，you should make a temporary eye by tying a（）.A
becket bendB
clove hitchC
bowlineD
square knot
考题
单选题When a flash-type evaporator is to be secured for an extended period of time, the entire unit should be drained, cleaned, and （）.A
completely filled with saltwaterB
filled with de-scaling compoundC
tightly closed to exclude airD
vented to the atmosphere
考题
单选题The pressure difference before and after the lube oil filter indicates （）the filter should be cleaned.A
whenB
howC
whereD
whether
考题
单选题While a ship with twin screw is making a turn, in order to prevent overload, the duty engineer should （）A
reduce the fuel feeding of main engine of inner propellerB
reduce the fuel feeding of main engine of outer propellerC
firstly reduce the fuel of main engine of inner propeller, then reduce the fuel feeding of engine of outer propellerD
reduce fuel feeding of two engines at the same time
考题
单选题Air that may enter a refrigeration plant tends to collect in the （）.A
upper part of the receiverB
upper part of the condenserC
down stream end of the cooling coilD
outlet end of the condenser
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What should you do to a line to prevent fraying where it passes over the side of the vessel（）.A
Worm that part of the lineB
Splice that part of the lineC
Cover it with chafing gearD
Install a cleat
考题
单选题In order to detect rot in manila lines，you should（）.A
feel the surface of the line for broken fibersB
measure the reduction in circumference of the lineC
observe any mildew on the outer surfaceD
open the strands and examine the inner fibers
考题
单选题After stopping oily water separator, sea water should be permitted for （） minutes,（）should be closed after stopping pump to reduce oxidation corrosion of inner wall.A
15；inlet valueB
15；inlet and outlet valueC
30；inlet valueD
30；inlet and outlet value
考题
单选题The internal part of boiler should be welded by yard if found （）.A
sealedB
crackedC
shape changedD
deformed
考题
单选题The internal part of boiler should be cleaned by yard if found （）.A
scaledB
wornC
deformedD
rested
考题
单选题Before entering a fuel tank that has been cleaned, it should be checked with an oxygen indicator and a/an（）.A
Orsat apparatusB
flame safety lampC
Halide torchD
combustible gas indicator
考题
问答题Do you think these ‘interest classes’ should be taken as an indispensable part of the educational system?
考题
单选题Which statement is TRUE concerning gasoline vapors on board a vessel（）.A
They are heavier than air and will settle in the lowest part of the vesselB
They are lighter than air and will settle in the highest part of the vesselC
They should be vented into the engine to improve combustionD
They should be vented into the wheelhouse
考题
多选题Which statements concerning the correlation between the inner and outer instances of non-static inner classes are true？（）AMember variables of the outer instance are always accessible to inner instances， regardless of their accessibility modifiers.BMember variables of the outer instance can never be referred to using only the variable name within the inner instance.CMore than one inner instance can be associated with the same outer instance.DAll variables from the outer instance that should be accessible in the inner instance must be declared final.EA class that is declared final cannot have any inner classes.
考题
问答题People should be realistic rather than romantic in order to live a better life. Write a composition of about 400 words on the following topic, expressing your view on this. ROMANTIC OR REALISTIC In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
考题
问答题Some believe that people should never be satisfied with what they have and should always strive for something new and different, but there are also people who believe that those who constantly feel satisfied tend to be happy. What is your opinion? Write a composition of about 400 words on the following topic:Does satisfaction bring happiness? In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion or a summary. Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
考题
单选题Fuel injection valves should be taken out, cleaned, and lifting checked every （）.A
two to four monthsB
four to six monthsC
six to eight months
考题
单选题During the dock repair, each sea valve must be disassembled, cleaned and ground well.Before it reassemble the sealing surface between the valve and the valve seat should be checked by （）A
chief engineerB
surveyorC
the engineerD
the technique personnel of the shipyard
热门标签
最新试卷