更多"Which action must be taken when an "的相关试题:
[单项选择]What 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 factor must be considered when determining the order of loading of dissimilar products through the same piping system aboard a tanker? （）
A. Contamination of the cargo
B. Flash points
C. Reid vapor pressures
D. Specific gravities
[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]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 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
[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
[单项选择]Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant in a diesel engine warm during the time the engine is secured?（）
A. The coolant temperature must be maintained at 180℃
B. The thermostatic bypass valves must be manually opened before the engine is started
C. The pressure cap must be removed while the engine is secured
D. Electrical power to the heater must be secured before the cooling system is drained
[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 step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.
A. Alert the Coast Guard by using the survival craft's portable INMARSAT unit
B. Program the SART and EPIRB to transmit the vessel's location and situation
C. Place the SART and EPIRB in the“ON”position and secure them to the survival craft
D. No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
[单项选择]Which statement about the hospital space on a cargo ship is TRUE（）.
A. The hospital may be used for disciplinary confinement if it is not being used for treatment
B. The hospital space must have both a bathtub and shower
C. A hospital is required on all vessels with a crew of 12 or more if it makes overnight voyages
D. If a ship has a crew of forty-five who do not have their own room，the hospital must have four berths
[单项选择]Which of the following is suitable for bagged cargo?（）.
A. hydraulically operated pusher
B. spread beam sling
C. revolving roll clamping device
D. platform sling
[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
[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 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]What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）
A. Seal off all tank and compartment ventilation
B. Remove all bulk materials from the P-tanks
C. Provide respiratory protection and monitoring
D. All of the above
[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
[多项选择]Which two settings must be configured in order to use the GUI to configure Call Admission Control with voice applications?（）
A. QoS must be set to Platinum
B. WMM must be enabled
C. QoS must be set to Gold
D. TSPEC must be disabled
E. Cisco Compatible Extensions must be disabled
[单项选择]A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you，you should secure the line（）.
A. to the base of the foremast
B. to the forward-most bitts
C. to the forward part of the deckhouse
D. at the stern
