更多"When evacuating a seaman by helicop"的相关试题:
[单项选择]When evacuating a seaman by helicopter lift，which statement is TRUE?（）
A. The vessel should be stopped with the wind dead ahead during the hoisting operation
B. Flags should be flown to provide a visual reference as to the direction of the apparent wind
C. The drop line should be grounded first then secured as close to the hoist point as possible
D. The hoist area should be located as far aft as possible so the pilot will have a visual reference while approaching
[单项选择]When evacuating a seaman by helicopter lift，the vessel should be（）.
A. stopped with the wind dead ahead
B. stopped with the wind on the beam
C. underway with the wind 30°on the bow
D. underway on a course to provide no apparent wind
[单项选择]You are operating a lift boat.When beginning to jack down you should（）.
A. Jack down one leg at a time
B. Jack up first，then down
C. Undog doors to the engine room
D. Assemble all personnel on the main deck
[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]Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia?（）
A. Give them brandy
B. Keep them in motion
C. Immerse them in a warm bath (105°F，40°C)
D. Cover them with an electric blanket set for maximum temperature
[单项选择]Which statement is TRUE when comparing cold and warm fronts?（）
A. Cold fronts are more violent and of shorter duration
B. Cold fronts are milder and last longer
C. They are very similar with the exception of wind direction
D. Warm fronts are more violent and of longer duration
[单项选择]Which vessel，when anchored at night，is NOT required to show anchor lights?（）.
A. A power-driven vessel
B. A vessel engaged on pilotage duty
C. A vessel dredging
D. A vessel restricted in her ability to maneuver
[单项选择]Which operation should be done when launching an inflatable liferaft by hand?（）
A. Open the liferaft casing
B. Turn the valve on the CO2 cylinder to start inflation
C. Make sure the operating cord is secured to the vessel before throwing it over the side
D. After inflation，detach operating cord from liferaft
[单项选择]Which precaution should be taken when testing a line throwing gun?（）
A. Never remove the line from the rocket
B. Fire it at an angle of approximately 90 degrees to the horizon
C. Wear asbestos gloves
D. All of the above
[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]Which action should be taken when an auxiliary boiler in is operation?（）
A. Clean all electrical connections
B. Lift the relief valves by hand
C. Inspect and clean all solenoid valves
D. Inspect for oil and water leaks
[多项选择]When designing a converged network, which measures can be taken at the building access layer to help eliminate latency and ensure end-to-end quality of service can be maintained? （）
A. rate limit voice traffic
B. configure spanning-tree for fast link convergence
C. isolate voice traffic on separate VLANs
D. classify and mark traffic close to the source
[单项选择]Which IPsec security protocol should be used when confidentiality is required?（）
A. PSK
B. AH
C. MD5
D. ESP
[多项选择]Which three elements must be used when you configure a router interface for vlan trunking?（）
A. one IP network or subnetwork for each subinterface
B. subinterface numbering that matches vlan tages
C. subinterface encapsulation identifiers that match vlan tags
D. a management domain for each subinterface
E. one physical interface for each subinterface
F. one subinterface per vlan
[单项选择]Which sequence is correct when launching a lifeboat stowed in gravity davits?（）
A. Release gripes，turn on emergency disconnect switch，release frapping lines
B. Release tricing pennants，turn on emergency disconnect switch，release frapping lines
C. Operate limit switches，release gripes，lift brake
D. Release gripes，lift brake，release tricing pennants
[多项选择]Which commands, when used together, would create an 802.1Q link?（）
A. Switch(vlan)# mode trunk
B. Switch(config)# switchport access mode trunk
C. Switch(config-if)# switchport mode trunk
D. Switch(config-if)# switchport trunk encapsulation dot1q
E. Switch(config)# switchport access mode 1
F. Switch(vlan)# trunk encapsulation dot1q
[单项选择]Which step is NOT generally taken when gas-freeing a tank?（）.
A. Washing the tank interior with sea water
B. Application of degreasing solvents
C. Removal of corrosion products and sludge
D. Fresh air ventilation
[多项选择]Which two design concerns must be addressed when designing a multicast implementation?（）
A. only the low-order 23 bits of the MAC address are used to map IP addresses
B. only the low-order 24 bits of the MAC address are used to map IP addresses
C. only the high-order 23 bits of the MAC address are used to map IP addresses
D. only the low-order 23 bits of the IP address are used to map MAC addresses
E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses
