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 need for insulation cleaning may be determined by （）
A
visual inspection for dirt accumulation
B
high megger readings
C
low operating temperature
D
the time period since the last cleaning
参考答案
参考解析
解析：
暂无解析
更多 “单选题The need for insulation cleaning may be determined by （）A visual inspection for dirt accumulationB high megger readingsC low operating temperatureD the time period since the last cleaning” 相关考题
考题
I should have told you! You ______ the entire house. Our cleaning lady phoned she's coming tomorrow.A. didn't need to cleanB. needn't have cleanedC. don't need to cleanD. mustn't have cleaned
考题
(c) Comment on four reasons why the Managing Director of Quicklink Ltd might consider the acquisition of theCeler Transport business to be a ‘good strategic move’ insofar as may be determined from the informationprovided. (5 marks)
考题
When you go shopping and want to buy some clothes，you should think about which kind of clothes you really need and decide how_____money you can _____on them. Then look at the labels that are inside the new clothes. They tell you how to _____the clothes. The label for a shirt may tell you to wash it in warm water. A sweater label may tell you to wash it in cold water. The label on a coat may say “dry clean only” and cleaning in water may _____this coat. If you do _____the directions say on the label, you can keep your clothes looking their best.1.A. muchB. manyC. large2.A. costB. spendC. take3.A. take place ofB. take use ofC. take care of4.A. changeB. replaceC. ruin5.A. asB. byC. for
考题
there may be a need for retraining if you explorer____new technology.
A)usingB)useC)to useD)used
考题
The closest point of approach ( CPA ) of a contact on a relative motion radar may be determined ______.A.immediately when the contact is noted on radarB.only if the radar scope is watched constantlyC.after the contact has been marked at least twiceD.by an occasional glance at the radar
考题
During the PSC inspection, under the provision of SOLAS74, which one may not be regarded as clear grounds for ships' detainment?A.excess amount of oily-water mixtures in bilgesB.insulation of piping including exhaust pipes in engine room contaminated by oilC.improper operation of bilge pumping arrangementsD.paint peeling off the uptake
考题
36． We ___________ keep the new traffic law and learn how to protect ourselves．A．may．B．shouldC．canD．need
考题
Existing crude oil tankers may，______ being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation．A.As perB.In the consequence ofC.In accordance withD.In lieu of
考题
The capacity of the segregated ballast tanks shall be ______ determined that the ship may operate safely on ballast voyages without recourse to the use of cargo tanks for water ballast except as provided otherwise．A.SuchB.AsC.SoD.Well
考题
Which of the following may be used in cleaning up an oil spill without the permission of governmental authorities ________．A.Straw and Skimmers onlyB.Skimmers and Chemical dispersants onlyC.Straw and Chemical dispersants onlyD.Straw，Skimmers and Chemical dispersants
考题
Which statement is TRUE concerning insulating flanges ________．A.They should be inspected and tested periodically to ensure that the insulation is clean and in good conditionB.Switching off a cathodic protection system may be substituted for using an insulating flangeC.The measured resistance value after installation should be less than 1，000 ohmsD.After the insulating flange is installed，hot work may be performed on deck
考题
May I borrow your umbrella for a moment?（）ANo, you can't do itBSorry, but you may notCWell, I am afraid I am going to use it myselfDOf course not. I'm going to need it myself
考题
单选题If plastic film insulation becomes damaged in air conditioning system, （） may form within the film.A
evaporationB
condensationC
liquefiesD
vaporization
考题
单选题Accidental grounds in a shipboard electrical system must be repaired as soon as possible as they will （）A
result in immediate power outagesB
damage circuit breakersC
appear on the ground detection systemD
damage insulation and may cause outages
考题
单选题（）are located on the road panel of main switchboard.A
Megohm meter, insulation light and synchroscopeB
Synchroscope, synchro light and megohm meterC
Shore power switch, insulation light and synchroscopeD
Megohm meter, insulation light and shore power switch
考题
单选题Which of the following operations need to be entered on the Oil Record Book Part I?（） (1) Cleaning of fuel oil tanks (2) Internal transfer of fuel oilA
（1）onlyB
（2）onlyC
both（1）and（2）D
neither（1）nor（2）
考题
单选题Moisture absorbed in the windings or condensed on the surface of electrical machinery insulation （）A
is good for long term preserving since most insulation is organic and contains some amountB
lowers the insulation value and is a common cause of fault grounds in idle machinesC
will enhance insulation resistance only if it is fresh water and contains no saltD
reduces the amount of current supplied or drawn by the machine so horsepower is limited
考题
单选题Electrical failures in motors are caused by the breakdown of insulation, which may be caused by （）A
penetration of moistureB
accumulation of dirtC
overheatingD
All of the above
考题
单选题The purpose of the purge valve at the top of the condenser in a refrigerating system is to（）A
remove any air that may accumulate in the systemB
take out unpleasant fumes from the refrigerantC
vent off excess refrigerant in an emergencyD
permit opening the refrigerating system for cleaning and inspecting
考题
单选题In automatic （） the winch may be overhauled and wire is paid off the barrel at a pre-determined maximum tension.A
cranesB
windlassC
capstansD
mooring winches
考题
单选题The amount of LFG that may be loaded into a given tank is determined by（）.A
checking the loading sheetB
loading to within 1 percent of outageC
loading to within 10 percent of the safety relief valve settingD
filling to the maximum level indicated on the liquid level gaging device
考题
单选题Existing crude oil tankers may，（）being provided with segregated ballast tanks or operating with a cargo tank cleaning procedure using crude oil washing，operate with dedicated clean ballast tanks in accordance with the specified provision of the Regulation.A
as perB
in the consequence ofC
in accordance withD
in lieu of
考题
单选题If the action of the engine indicates that some of the cylinders are not firing, the ones affected may be determined by watching （）.A
the bad smokeB
the smoky exhaustC
the exhaust temperatureD
the peak pressure
考题
单选题Yes, I may need this leftover wallpaper someday, but am I going to save everything I might need someday? If so, maybe I should rent a _____.A
depositoryB
depositionC
departureD
derogation
考题
单选题You may need to refer back to an issue（）was discussed during the meeting at a later date.A
thatB
whatC
whoD
where
考题
单选题The KM for a vessel may be determined by which of the following?（）.A
Adding the KB and the BMB
Subtracting the KB from the BMC
Subtracting the GM from the KBD
Adding the GM and the KB
热门标签
最新试卷