更多"What is the bow type anchor shackle"的相关试题:
[单项选择]When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.
A. the vessel will tend to take a large sheer towards the side where the anchor is down
B. steering control is ineffective in trying to turn to the side opposite to that of the anchor being used
C. the anchor cable must never lead under the hull
D. using an offshore anchor decreases the chances of the anchor holding
[单项选择]Anchor capstans are used in some installation where the cable lifter rotates about a （）.
A. horizontal axis
B. crankshaft
C. vertical axis
D. camshaft
[单项选择]What is the normal length of anchor cable used to anchor a vessel?（）
A. An amount equal to the depth of the water
B. Two times the depth of water
C. Three to four times the depth of water
D. Five to seven times the depth of water
[单项选择]What type of electric motor is most commonly used on board ship?（）
A. non-synchronous electric motor
B. synchronous electric motor
C. fully enclosed electric motor
D. watertight electric motor
[单项选择]What type of valve is used to direct the flow of hydraulic fluid?（）
A. Relief valve
B. Direction control valve
C. Stop valve
D. Pressure control valve
[单项选择]What type of liquid is used in the liquid P/V breaker（）.
A. Hydraulic oil
B. Water-antifreeze mixture
C. Distilled water
D. Oil from the cargo
[单项选择]What type of rotor is used in split-phase motors?（）
A. Dram
B. Salient pole
C. Squirrel-cage
D. Wound-rotor
[单项选择]What authentication type is used by SNMPv2?（）
A. HMAC-MD5
B. HMAC-SHA
C. CBC-DES
D. community strings
[单项选择]What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.
A. Flinders bar
B. Soft iron spheres
C. Fore-and-aft permanent magnets in their trays
D. Heeling magnet
[单项选择]What is used to prevent twisting of a towing bridle?（）
A. A bitt
B. A bulkhead
C. A V-spring
D. A fishplate
[单项选择]What is used as an indicator of initial stability? （）
A. GM
B. KG
C. KM
D. GZ
[单项选择]What is used for preventing pollution damage to the sea from ships?（）
A. MARPOL 73/78
B. SOLAS 74
C. STCW 78/95
D. ISPS 2002
[单项选择]Generally, what is used to inflate life rafts?（）.
A. Non-toxic gas
B. oxygen
C. Hydrogen
D. Helium
[单项选择]What is used to test a tank for oxygen content?（）
A. Combustible gas indicator
B. Vapor indicator
C. Atmosphere analyzer kit
D. None of the above
[单项选择]Anchor（） are used in some installations where the cable lifter rotates about a vertical axis.
A. windlasses
B. drums
C. capstans
D. warp ends
[单项选择]While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
A. A decreasing reading on loran pair 9960-X
B. The bearing of Wolf Trap Light changing to the right
C. Increasing soundings
D. The bearing of Wolf Trap Light changing to the left
