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单选题
When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.
A
to their final position with the winch operating at slow speed
B
to the bar stop，and then hand cranked to their final position
C
until just before they make contact with the limit switch，and then hand cranked to their final position
D
to the embarkation deck，and then hand cranked to their final position
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更多 “单选题When hoisting a boat on gravity type davits using an electric motor driven winch，the davit arms should be brought up（）.A to their final position with the winch operating at slow speedB to the bar stop，and then hand cranked to their final positionC until just before they make contact with the limit switch，and then hand cranked to their final positionD to the embarkation deck，and then hand cranked to their final position” 相关考题
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The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach?A.SurgingB.SpillingC.PlungingD.Converging
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What is the purpose of the limit switch on gravity davits?A.To cut off the power when the davits hit the track safety stopsB.To stop the davits from going too fastC.To cut off the power when the davits are about 12 inches or more from the track safety stopsD.None of the above
考题
Frapping lines ______．A.secure the lifeboat in the davits when in the stowed positionB.bring the lifeboat close alongside the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
考题
Frapping lines are fitted to lifeboat davits to ______.A.secure the lifeboat in the davits when in the stowed positionB.bring the life boat close along the rail in the embarkation positionC.give the occupants a safety line when the boat is being lowered from the embarkation levelD.reduce the swinging of the lifeboat at the embarkation level
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考题
单选题On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.A
the painterB
the after boat fall only if the boat is waterborneC
both falls at the same time only if the boat is waterborneD
both falls at the same time even if the boat has not reached the water
考题
单选题The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.A
limit switchesB
emergency disconnect switchC
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考题
单选题When launching a lifeboat，the tricing pennants should be released（）.A
before the boat is lowered from the stowed positionB
as the boat-fall blocks break clear of the davit headC
before the boat is lowered from the embarkation levelD
after the boat is released into the water
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多选题When using Cisco Network Assistant to configure smartports， Which tow of the following roles can belong to a VLAN of the type "access" ？（）APhone+DesktopBDesktopCSwitchDRouterETrunk
考题
单选题The lifeboats on your vessel are stowed on cradles on deck and are handled by sheath-screw boom davits. Which of the following statements about launching a boat is TRUE?（）A
The boat should be hoisted a few inches clear of the cradle before cranking out the davitsB
The inboard gripes should be cast off before the outboard gripesC
The outboard section of the cradle must be releasedD
The tricing pendants will automatically bring the boat alongside at the embarkation deck
考题
单选题A vessel is “engaged in fishing” when（）.A
her gear extends more than 100 meters from the vesselB
she is using any type of gear，other than linesC
she is using fishing apparatus which restricts her maneuverabilityD
she has any fishing gear on board
考题
单选题In order to prevent galvanic corrosion，an aluminum boat must be insulated from the davits and gripes. Which of the following is acceptable as an insulator?（）A
Hard rubberB
CanvasC
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考题
单选题Limit switches on gravity davits should be tested by（）.A
the engineers，from a panel in the engine roomB
shutting off the current to the winchC
pushing the switch lever arm while the winch is runningD
All of the above
考题
单选题Frapping lines are fitted to lifeboat davits to（）.A
secure the lifeboat in the davits when in the stowed positionB
bring the lifeboat close along the rail in the embarkation positionC
give the occupants a safety line when the boat is being lowered from the embarkation levelD
reduce the swinging of the lifeboat at the embarkation level
考题
单选题Frapping lines（）.A
secure the lifeboat in the davits when in the stowed positionB
bring the lifeboat close alongside the rail in the embarkation positionC
give the occupants a safety line when the boat is being lowered from the embarkation levelD
reduce the swinging of the lifeboat at the embarkation level
考题
单选题Frapping lines are fitted to lifeboat davits to（）.A
reduce the swinging of the lifeboat as it is being lowered from the embarkation levelB
secure the lifeboat in the davits when in the stowed positionC
hold the lifeboat to the ship's side until the tricing lines are passedD
be used as a safety line in an emergency
考题
单选题Which statement is TRUE concerning lifeboat gripes?（）A
They must be released by freeing a safety shackleB
They should not be released until the boat is in lowering positionC
They may be adjusted by a turnbuckleD
They are normally used only with radial davits
考题
单选题On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.A
keep the movement of the davits at the same speedB
keep the davits from slipping when they are in the stowed positionC
prevent vibration during lowering of the boatD
support the manropes
考题
单选题When launching a lifeboat in the rough sea, the davit gears should be released（）.A
before the boat is lowered from the stowed positionB
as the boat fall blocks break clear of the davit headC
before the boat is lowered from the embarkation levelD
after the boat is released into the water
考题
单选题What is the purpose of the limit switch on gravity davits?（）A
To cut off the power when the davits hit the track safety stopsB
To stop the davits from going too fastC
To cut off the power when the davits are about 12 inches or more from the track safety stopsD
None of the above
考题
单选题Which sequence is correct when launching a lifeboat stowed in gravity davits?（）A
Release gripes，turn on emergency disconnect switch，release frapping linesB
Release tricing pennants，turn on emergency disconnect switch，release frapping linesC
Operate limit switches，release gripes，lift brakeD
Release gripes，lift brake，release tricing pennants
考题
单选题The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of breakers can be expected when trying to land a boat on this beach? （）A
SurgingB
SpillingC
PlungingD
Converging
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