更多"Which of the following methods is n"的相关试题:
[单项选择]Which of the following methods is normally used to lubricate bearings in a small high-speed diesel engine?（）
A. Splash lubrication
B. Pressure lubrication
C. Sight feed lubricators
D. Mechanical lubricators
[单项选择]Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A. Holding the valve open for a long period
B. Increasing the starting air pressure used
C. Opening the stating air valve quickly
D. Reducing the starting air valve size
[单项选择]Which of the following methods might be used as the treatment on emulsified oil?（）
A. gravity separation
B. centrifuge
C. Cyclone
D. Cross-flow membrane filtration
[多项选择]Which of the following are methods EIGRP uses to initially populate (seed) its EIGRP topology table, before learning topology data from neighbors？（）
A. By adding all subnets listed by the show ip route connected command
B. By adding the subnets of working interfaces over which static neighbors have been defined
C. By adding subnets redistributed on the local router from another routing source
D. By adding all subnets listed by the show ip route static command
[单项选择]Which of the following tensioning devices is used with webbing to secure light vehicles aboard Ro-Ro vessels（）.
A. Chain lever
B. Buckle tensioner
C. Adjust-a-matic tensioner
D. Turnbuckle
[多项选择]Which of the following technologies can be used in distance vector routing protocols to prevent routing loops?（）
A. Spanning Tree Protocol
B. Shortest path first tree
C. Link-state advertisements (LSA)
D. Hold-down timers
E. Split horizon
F. VRRP
[单项选择]Which of the following definitions can be used to define the term ‘offset ’ as a characteristic of controller action?（）
A. The period of time in which the set point and the control point coincide
B. The periodic change between the set point and the control point
C. The variable difference between the set point and the control point
D. The constant difference between the set point and the control point
[单项选择]Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?（）
A. Sodium hydroxide
B. Sodium carbonate
C. Sodium nitrate
D. Sodium polyphosphate
[单项选择]Which of the following methods can not remove the non-separable emulsified oil in bilge water?（）
A. gravity separation
B. use of adsorbents
C. use of flocculents
D. use of chemical addition
[单项选择]Which of the following methods might favor oil emulsion in bilge water?（）
A. Raising temperature
B. less use of surfactant
C. more use of solvent
D. polishing device fouling prevention
[单项选择]Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?（）
A. clean the flame scanner photocell window
B. Inspect and clean all solenoid valves
C. lift the safety valves by hand
D. Inspect for oil or water leaks
[单项选择]Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）
A. Ration food and water supplies
B. Search for survivors
C. Determine position and closest point of land
D. Check pyrotechnic supplies
[单项选择]Which is normally used to hold wire rope for splicing（）.
A. Come along
B. Jigger
C. Rigger's screw
D. Sealing clamp
[单项选择]Which of the following components are used to convert alternating current produced in the generator windings to direct current?（）
A. Armature and equalizer
B. Commutator and brushes
C. Rotor and interpoles
D. Field and exciter
[单项选择]Which of the fluids listed is normally used to condense the primary refrigerant in a shipboard central air conditioning system?（）
A. Air or Nitrogen
B. Seawater or Fresh water
C. Sodium Nitrate brine
D. Calcium Sulfate brine
[单项选择]Which of the following terms is used to identify the pressure of the liquid entering a pump?（）
A. Suction head
B. Pump head
C. Discharge head
D. Total head
[单项选择]Which of the following pumps is used where a relatively high pressure and small capacity are required?（）
A. Volute pump
B. Diffuser pump
C. Regenerative pump
D. All of the above
[单项选择]Which of the following can be used in hydraulic transmission system?（）
A. Hydraulic oil
B. Animal oil
C. Light oil
D. Fuel oil
[多项选择]Which of the following OSPF commands, when used together, will put the network 192.168.10.0/24 into OSPF area 0?（）
A. Router(config-router)# network 192.168.10.0 0.0.0.255 0
B. Router(config-router)# network 192.168.10.0 0.0.0.255 area 0
C. Router(config-router)# network 192.168.10.0 255.255.255.0 area 0
D. Router(config)# router ospf 0
E. Router(config)# router ospf 1
