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单选题
Setting a sealing equipment astern on the tailshaft can’t （）
A
prevent the seawater from intergrating
B
prevent the lube oil from running out of the outside aboard
C
strengthen the intencity of the sterntube
D
prevent the mud and sand from entering the lube oil system
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更多 “单选题Setting a sealing equipment astern on the tailshaft can’t （）A prevent the seawater from intergratingB prevent the lube oil from running out of the outside aboardC strengthen the intencity of the sterntubeD prevent the mud and sand from entering the lube oil system” 相关考题
考题
Sometimes a tropical storm moves so slowly that a vessel，if astern of it，can______it．A.go aheadB.approachC.proceed nearD.run into
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Sometimes a tropical storm moves so slowly that a vessel，if astern of it，can______it．A.crossB.approachC.proceed nearD.run into
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A crack in a cylinder liner can be caused byA.worn piston ringsB.installation of undersized sealing ringsC.operating the engine at low loadsD.restricted cooling water passages
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The bearing of tailshaft sealing equipment which adopts the oil nature circulation is hot, the reason isA.the rotate speed fluctuationB.the ventilation tube cloggedC.the main engine accelerate so fastD.stormy waves
考题
In each inflatable rescue boat, what piece of equipment is provided to make quick, emergency, temporary repairs to a large hole in a raft?______.A.No equipment is providedB.Self-adhesive rubberized canvas patchesC.Glue and rubber patches.D.Several various-sized sealing clamps
考题
Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）A、The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch portB、The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.C、The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch portD、The default network setting is "HIGH"
考题
How does NTP help you troubleshoot network problems?（）A、By calculating the time offset from the GPS or atomic clockB、By setting the router clock to the default value if the router can't connect to a time serverC、By setting all network devices to the correct timeD、By setting necessary time date in the timestamp information
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Which of the following can conserve energy in a server room？（）A、Sealing all potential cold air leaksB、Installing additional cooling fansC、Setting the temperature lowerD、Replacing the UPS with a generator
考题
单选题Low compression in a diesel engine can be caused by （）A
clogged coolant passagesB
a leaking cylinder head gasketC
low fuel oil pressureD
worn or broken cylinder liner sealing rings
考题
单选题In each inflatable liferaft，what equipment is provided to make quick，emergency，temporary repairs to large holes in the raft? （）A
No equipment is providedB
Glue and rubber patchesC
Several various-sized sealing clampsD
Self-adhesive rubberized canvas patches
考题
单选题In each inflatable rescue boat，what piece of equipment is provided to make quick，emergency，temporary repairs to a large hole in a raft?（）.A
No equipment is providedB
Glue and rubber patchesC
Several various-sized sealing clampsD
Self-adhesive rubberized canvas patches
考题
单选题Shaft sealing in a centrifugal pump can be effected by （）.A
the mechanical sealB
packed stuffing boxesC
either A or BD
neither A nor B
考题
单选题What is the man working on at the moment?A
He is opening a new factory.B
He is setting up quality procedures.C
He is producing medical equipment.
考题
单选题How does NTP help you troubleshoot network problems?（）A
By calculating the time offset from the GPS or atomic clockB
By setting the router clock to the default value if the router can't connect to a time serverC
By setting all network devices to the correct timeD
By setting necessary time date in the timestamp information
考题
单选题The advantage of the control equipment is（）A
that the transmitter is on the bridgeB
that local manual control can be achievedC
that remote control can be achievedD
simple in construction and reliable in operation
考题
单选题Which of the following items don’t belong to dock repair works?（）A
the SW outboard valvesB
the tailshaft LO stop valveC
the drain valve of the boilerD
propeller shaft sealing device
考题
单选题The bearing of tailshaft sealing equipment, which adopting the oil nature circulation is hot, the reason is（）A
the rotate speed fluctuationB
the ventilation tube cloggedC
the main engine accelerate so fastD
stormy waves
考题
单选题The main advantage of improved Simplex tailshaft seal are（）A
the good sealing performance and the simple structureB
the good sealing performance and the short life expectancyC
the good sealing performance but the short life expectancyD
the good sealing performance and the lower cost
考题
单选题I am afraid you can’t dismantle the equipment in that way （）.A
in the caseB
in any caseC
in no caseD
in case
考题
单选题Steering gears can be arranged with hydraulic control equipment known as a （）, or with electrical control equipment.A
telemeterB
telemanometerC
telemotorD
telemometer
考题
单选题When towing astern what equipment should be stowed ready for use near the towline?（）A
First aid kitB
Axe or cutting torchC
Fire extinguisherD
Chafing gear
考题
单选题The tailshaft sealing arrangement found a little lube oil leaky and caused a lot of seawater into the bearing, the step should be taken as a makeshift is（）A
dropping lube oil for lubrication, reducing the pollution to the seaB
setting a temporary gravity oil tank and enhanced the position properlyC
lubricating with the used lube oilD
lubricating with the fresh water and navigation in a lower speed
考题
单选题Which statement correctly describes network security settings in Cisco Network Assistant for the Catalyst Express 500 Switch？（）A
The LOW setting enables broadcast storm control， but has no effect on the number of devices that can connect to a switch portB
The LOW setting enables broadcast storm control and limits the number of devices that can connect to a switch port.C
The LOW setting disables broadcast storm control but limits the number of devices that can connect to a switch portD
The default network setting is HIGH
考题
单选题Simplex tailshaft seal equipment’s working condition is terribleThe main cause is （）A
the shafting’s vertical vibrationB
violent friction and sea water corrosiveC
friction and high temperatureD
violent friction and high temperature
考题
单选题In the process of the shafting management, special attention should be paid to（）A
on the sailing, the water in the aft peak tank should be excluded as much as possibleB
the stuffing style ahead sealing shouldn’t have any water leaking outC
Simplex astern sealing shouldn’t have any oil leaking outD
Simplex ahead sealing can have some oil leaking out
考题
单选题Sometimes a tropical storm moves so slowly that a vessel，if astern of it，can（）it.A
crossB
approachC
proceed nearD
run into
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