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
A warp end may be fitted for operating the derrick topping wire which adjusts the derrick （）.
A
length
B
slack
C
height
D
rotation direction
参考答案
参考解析
解析：
暂无解析
更多 “单选题A warp end may be fitted for operating the derrick topping wire which adjusts the derrick （）.A lengthB slackC heightD rotation direction” 相关考题
考题
The consignment will be sent()to reach the final destination by the end of May.
A、asB、so asC、dulyD、in order
考题
A band or collar on the top end of a boom to which the topping lift，midships guy，and outboard guys are secured，is called the ______.A.collar bandB.guy bandC.pad eye collarD.spider band
考题
Which of the following is NOT mentioned in this passage?A.There may be oil vapor in the engine roomB.Pipes and fittings may be damaged if explosion takes placeC.The cooler should be drainedD.Bursting caps must be fitted
考题
If a reciprocating air compressor has a knock occurring in frequency with its operating RPM, the cause is probably _____.A.misalignment or worn main bearingsB.insufficient cylinder lubricationC.defective or poorly fitted valvesD.All of the above
考题
Which molten substance is poured into the basket of a wire rope socket being fitted to the end of a wire rope ________．A.BabbittB.BronzeC.LeadD.Zinc
考题
材料：Every new crude oil tanker of 20000 tons deadweight and above shall be fitted with a cargo tank cleaning system using crude oil washing．The Administration shall undertake to ensure that the system fully complies with the requirements of MARPOL within one year after the tanker was first engaged in the trade of carrying crude oil or by the end of the third voyage carrying crude oil suitable for crude oil washing，whichever occurs later．Unless such oil tanker carries crude oil which is not suitable for crude oil washing，the oil tanker shall operate the system in accordance with the requirements of that Regulation．Every existing crude oil tanker of 40000 tons deadweight and above shall be provided with segregated ballast tanks．Existing crude oil tankers may，in lieu of being provided with segregated ballast tanks，operate with a cargo tank cleaning procedure using crude oil washing unless the crude oil tanker is intended to carry crude oil which is not suitable for crude oil washing．Existing crude oil tankers may，in lieu of 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 provision of Regulation 13A of this Annex for the following period：for crude oil tankers of 70 000 tons deadweight and above，until two years after the date of entry into force of the present Convention；and for crude oil tankers of 40000 tons deadweight and above but below 70 000 tons deadweight，until four years after the date of entry into force of the present Convention．问题：A new crude oil tanker of 30000 tons deadweight shall ________．A.be fitted with crude oil washing systemB.operate dedicated clean ballast tanksC.be fitted with segregated ballast tanksD.be fitted with washing system other than crude oil washing systemExcept________，the existing crude oil tankers may operate with any of the following installations．A.segregated ballast tanksB.cargo tank cleaning procedure using crude oil washingC.operate with dedicated clean ballast tanksD.protection positionThe latest date for an existing crude oil tanker of 60000 tons deadweight to install dedicated clean ballast tanks is ________．A.until two years after the date of entry into force of the present ConventionB.until four years after the date of entry into force of the present ConventionC.within one year after the tanker was first engaged in the trade of carrying crude oilD.by the end of the third voyage carrying crude oilIt is inferred that ________．A.all oil tankers，both the newly built and existing ones，shall be fitted with a cargo tank cleaning system using crude oil washingB.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with segregated ballast tanksC.a new crude oil tanker of 20 000 tons deadweight and above may，in lieu of being provided with crude oil washing system，operate with dedicated clean ballast tanksD.a new crude oil tanker of 20 000 tons deadweight and above shall not be fitted with a cargo tank cleaning system using crude oil washing immediately after her entry in the trade of carrying crude oil请帮忙给出每个问题的正确答案和分析，谢谢！
考题
The （）(吊杆托架) supports the derrick.A、derrick boom restB、derrick headC、derrick mastD、derrick guy
考题
The（）(千斤索) is a wire used to take the weight off.A、light derrickB、union purchaseC、topping liftD、heavy derrick
考题
单选题Insufficient end clearance on newly fitted piston rings in a diesel enginewill cause the rings to（）A
jam in the most worn part of the cylinder when the rings expandB
break in the most worn part of the cylinder when the rings expandC
wear eccentrically on the side opposite the end gapD
overheat and jam at the top center on the combustion stroke
考题
单选题Manually operated band brakes may be fitted and （） will have a brake arranged to fail-safe.A
the drive pumpB
the drive motorC
the warp endD
the purchase
考题
单选题What is NOT a precaution to be taken when topping off? （）A
Reduce the loading rateB
Notify the engine room of the procedureC
Maintain communications with the dock manD
Give the operation your undivided attention
考题
单选题Excessive vibration in an operating diesel generator may be caused by （）A
electrical overloadB
surging at governed RPMC
loose engine mounting boltsD
coolant leaking into the cylinder
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A gypsy or gypsyhead is a（）.A
punt used for painting over the sideB
small, reciprocating steam engineC
spool-shaped drum fitted on a winchD
swinging derrick
考题
单选题Improperly fitted piston rings in a diesel engine can cause（）A
excessive lube oil consumptionB
lower than normal lube oil temperatureC
higher than normal exhaust back pressureD
excessive crankshaft end play
考题
单选题The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.（）A
吊杆的部件有：吊杆支架、鹅颈头、中心稳索、支索、千斤索和千斤索滑车组等。B
吊杆的部件有：鹅颈头、中心稳索、千斤索、侧稳索、千斤索滑车组和支索等。C
吊杆的部件有：中心稳索、侧稳索、吊杆支架、鹅颈头、千斤索、和千斤索滑车组等。D
吊杆的部件有：侧稳索、中心稳索、鹅颈头、吊杆支架、千斤索、和千斤索滑车组等。
考题
单选题The cable lifter, mooring drum and warp end of a split windlass may be separately engaged or disengaged means of a （）A
dog clutchB
Pair of gearsC
worm gearD
turning gear
考题
单选题A band or collar on the top end of a boom which the topping lift, midships guy, and outboard guys are secured, is called the（）.A
collar bandB
guy bandC
pad eye collarD
spider band
考题
单选题The rotating unit of a spilt windlass consists of a（） with shaped snugs to grip the anchor cablea mooring drum for paying out or letting go of mooring wires and warp end for warping duties.A
cranesB
mooring barrelC
capstansD
cable lifter
考题
单选题A tackle by which the outer end of a boom is raised and lowered is the topping（）.A
boomB
liftC
raiseD
tackle
考题
单选题Topping wires fix the height of the derricks and （） to the deck may be used to prevent fore and aft movement.A
staysB
winchesC
barrelsD
brakes
考题
单选题The operating medium for control systems may be （）.A
compressed airB
hydraulic oilC
electricityD
All of the above
考题
单选题Every lifeboat which is fitted with a fixed（）VHF radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A
one-wayB
two-wayC
double-effectD
one-effect
考题
单选题Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.A
HFB
VHFC
MFD
MF/HF
考题
单选题（） may be fitted for operating the derrick topping lift (the wire which adjusts the derrick height).A
A capstanB
A holdC
A warp endD
A mooring drum
考题
单选题If a reciprocating air compressor has a knock occurring in frequency with its operating RPM, the cause is probably （）.A
misalignment or worn main bearingsB
insufficient cylinder lubricationC
defective or poorly fitted valvesD
all of the above
考题
单选题A wooden plug fitted tightly in the vent of a damaged tank may prevent the tank from（）.A
filling completelyB
developing free surfaceC
developing free surface momentD
collapsing
热门标签
最新试卷