更多"Which factor must be considered whe"的相关试题:
[单项选择]Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）
A. salinity
B. temperature
C. the hydrostatic pressure
D. Vessel’s speed
[单项选择]Which action must be taken when an individual cargo tank is closed off from the inert gas system by the tank isolation valve?（）
A. The tank must be gas freed
B. The tank must be ballasted
C. The tank must be vented to the atmosphere
D. The bypass valve must also be closed
[单项选择]The main factor which determines the output of each cylinder is （）
A. the cylinder weight
B. the cylinder bore
C. the cylinder length
D. the cylinder cover
[单项选择]When discharging bilge water, which criteria must be observed?（）
A. The requirement for the oil content of bilge water discharged is 15 ppm
B. No discharge in sensitive waters
C. Any discharge in sensitive waters
D. International, national or local requirements have to be observed
[单项选择]（）is not a factor which will affect the accuracy of GPS receiver.
A. detective Availability
B. local environmental conditions
C. autonomous mode versus differential correction mode versus RTCM mode
D. the averaging of recorded locations
[单项选择]When compared to air temperature,which factor is most useful in predicting fog?（）
A. Vapor pressure
B. Dew point
C. Barometric pressure
D. Absolute humidity
[单项选择]Records which must be retained on board after report of casualty to a vessel include the（）.
A. tour reports
B. hull reports
C. machinery repair record book
D. deck equipment log
[单项选择]In a narrow channel, a signal of intent which must be answered by the other vessel, is sounded by a vessel（）.
A. meeting another head-on
B. crossing the course of another
C. overtaking another
D. Any of the above
[单项选择]Which vessel when anchored at night，would not be required to show anchor lights? （）
A. A vessel engaged in underwater operations
B. A vessel engaged in mine clearance
C. A vessel engaged on pilotage duty
D. A vessel engaged in survey operations
[单项选择]By the stowage factor,when given a certain volume of space, we know（）.
A. the space of the ship
B. the space of one ship
C. what kind of cargo can be stowed
D. how much cargo can be stowed
[单项选择]The power factor at which a paralleled AC generator operates is usually adjusted by the （）.
A. connected load
B. prime mover speed
C. field excitation
D. generators rated voltage
[单项选择]Which information must automatic identification systems (AIS) automatically provide to appropriately equipped shore stations，vessels and aircraft? （）
A. Vessel's type
B. Vessel's course
C. Navigational status
D. All of the above
[单项选择]Which variable factor affects the initial lashing requirements aboard Ro-Ro vessels? （）
A. Age of vehicle or cargo unit
B. Size and weight of vehicle/cargo unit
C. Reputation of shipper concerning condition of cargo
D. Air pressure in the vehicles tires
[单项选择]Which factor does NOT affect the required freeboard of a cargo vessel? （）
A. Season of the year
B. Geographic zone of operation
C. Density of the water
D. Condition of trim in normal operation
[单项选择]Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading?（）
A. Salinity of water
B. Temperature of water
C. Atmospheric pressure
D. Type of bottom
[单项选择]Which factor of the following affects not only the fuels combustion but also the engine’s maintenance?（）
A. cetane number
B. flash point
C. viscosity
D. setting point
[单项选择]The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a（）.
A. sheath-screw davit
B. gravity davit
C. radial davit
D. bruckner davit
[单项选择]（） is a defined area within which ships must use particular caution and should follow the recommended direction of traffic flow.
A. Recommended Direction of Traffic Flow
B. Roundabout
C. Separation Zone or Line
D. Precautionary Area
