更多"Which of the following statement（s）"的相关试题:
[单项选择]Which of the following statement(s) is/are TRUE regarding lashing requirements to secure vehicles aboard Ro-Ro vessels? （）
A. It is imperative that the securing of cargo on flats and trailers and in containers be adequate for both road and sea motions
B. The movements experienced by road borne cargo differ significantly from the roll and sway movements of a ship at sea
C. It is necessary for adequate number and strength of securing points on the vehicles themselves in order that lashings may be properly and safely utilized.
D. All the above
[单项选择]Which of the following statement（s）is/are TRUE regarding a twin pedestal crane set（）.
A. The cranes may be operated independently
B. The cranes may be interconnected for twin operation
C. When twinned，the crane rotation on the foundation assembly is unlimited
D. All of the above
[单项选择]Which one of following statement is not true concerning the suitable sites of the direct acting relief valve and the pilot operated relieve valve?（）
A. the direct acting relief valve is used for controlling lower flows and pressure
B. the pilot operated relief valve is used for controlling higher flows and pressure
C. the pilot operated relief valve is used for controlling lower flows and pressure
D. the controlling accuracy of direct acting relief valve is worse than that of the pilot operated relief valve
[单项选择]Ⅲ. There are four choices following each statement. Mark the choice that can best complete the statement: If a linguistic study describes and analyzes the language people actually use, it is said to be （）
A. prescriptive
B. analytic
C. descriptive
D. linguistic
[单项选择]Which is false about engine trials?（）
A. engine trails should be done after finishing the operation of turning the engine with the turning gear and starting the engine on air briefly
B. in the operation of engine trails, the main engine should be running in low-speed
C. As to the ship equipment with twin main engine, engine trials should be done with one engine ahead and another engine astern at the same time
D. the order “engine trials” should be given by the bridge
[单项选择]Which statement is FALSE concerning precautions during fueling operations?（）
A. All engines，motors，fans，etc. should be shut down when fueling
B. All windows，doors，hatches，etc. should be closed
C. A fire extinguisher should be kept nearby
D. Fuel tanks should be topped off with no room for expansion
[单项选择]Which statement is FALSE concerning a tagline as used with a 30-ton pedestal crane（）.
A. Taglines are wire rope purchases that raise and lower the jib
B. Taglines are wire ropes for horizontal positioning of the rider block
C. Taglines can be fastened to corners of vehicles or containers
D. The crane might not have taglines installed in its rigging system
[单项选择]Which general statement concerning radar is FALSE?（）.
A. Raising the antenna height increases the radar range
B. The ability of radar to detect objects is unaffected by weather conditions
C. Radar bearings are less accurate than radar ranges
D. Radar should be checked regularly during clear weather to ensure that it is operating properly
[单项选择]Which of the following statements is FALSE concerning cranes being installed on the centerline of vessels（）.
A. A centerline crane can never be operated in tandem
B. One crane is able to work one end of two adjacent hatches
C. These cranes are more economical and weigh less than outboard-mounted cranes
D. One crane is able to work both sides of the ship
[单项选择]Which of the following is false?（）
A. A company should develop a SMS and implement it
B. A company implementing a SMS properly may obtain a DOC
C. Once a company obtains its DOC, each vessel of this company will obtain a SMC
D. DOC is valid for 60 months unless “major non-conformity” is found
[单项选择]Which action should you take after sending a false distress alert on VHF?（）
A. Send a DSC cancellation message on Ch-70
B. Make a voice announcement to cancel the alert on Ch-16
C. Make a voice announcement to cancel the alert on Ch-13
D. Make a voice announcement to cancel the alert on Ch-22A
[单项选择]Which statement concerning GMDSS Radio Operator requirements is FALSE（）.
A. Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at sea
B. Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as well
C. Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communications
D. While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
[单项选择]Which statement about the gyrocompass is FALSE（）.
A. Its accuracy remains the same at all latitudes
B. It seeks the true meridian
C. It can be used near the Earth's magnetic poles
D. If an error exists，it is the same on all headings
[单项选择]Which of the following statements describes the relationship between viscosity and specific gravity?（）
A. Liquids with different viscosities will always have the same specific gravity
B. Liquids with different viscosities will never have the same specific gravity
C. Viscosity and specific gravity are directly proportional
D. Viscosity and specific gravity are not related in that one does not define or limit the other
[单项选择]Air compressors are NOT permitted in which space(s) on a tank barge carrying grade A cargo?（）
A. A cargo handling room
B. A space in which cargo hose is stored
C. An enclosed space containing cargo piping
D. All of the above
[单项选择]Which action(s) should the operator of a pedestal crane take if crane control is lost?（）
A. Let go of both control levers and return to neutral position
B. Press the emergency stop
C. Notify the mate on watch
D. All of the above
