更多"All of the following operating char"的相关试题:
[单项选择]Which of the following operating procedures should be carried out immediately after any diesel engine is started?（）
A. Take all exhaust temperature reading
B. Check the sump oil level
C. Verify proper lube oil pressure
D. All of the above
[单项选择]Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）
A. Decreased connecting rod bearing clearance
B. Increased connecting rod bearing clearance
C. Decreased compression ratio
D. Increased compression ratio
[单项选择]
Which of the following operating features do displacement pumps bear if they are working under no-cavitation condition?（）
(1) output is almost directly proportional to speed
(2) they are self-priming
(3) they will develop a discharged pressure equal to the resistance to be overcome, irrespective of speed
A. （1）and（2）
B. （2）and（3）
C. （1）and（3）
D. （1），（2）and（3）
[多项选择]Which of the following characteristics describe the BPDU Guard feature（）
A. ABPDU Guard port should only be configured on ports with PortFast enabled.
B. BPDU Guard and PortFast should not be enabled on the same port.
C. BPDU Guard is used to ensure that superior BPDUs are not received on a switch port.
D. ABPDU Guard port receiving a BPDU will go into err-disablestate.
E. ABPDU Guard port receiving a BPDU will be disabled.
F. BPDU Guard can be enabled on any switch port.
[多项选择]Which of the following are key characteristics of PPP (Choose three.)（）。
A. can be used over analog circuits
B. maps Layer 2 to Layer 3 address
C. encapsulates several routed protocols
D. supports IP only
E. provides error correction
[单项选择]Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）
A. Fire point
B. Flash point
C. Specific gravity
D. viscosity
[单项选择]The following options are all the functions of lubricating oil except（）
A. removing heat and deposits
B. neutralizing acidic products
C. lubricating
D. improving combustion efficiency
[单项选择]All of the following constitute special circumstances EXCEPT（）.
A. Three vessels meeting so as to cross each other's course
B. A vessel meeting a vessel that is backing out of a slip
C. An overtaking situation that has reached in extremis
D. A vessel fishing with nets meeting a sailing vessel
[单项选择]All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
A. location
B. height of light above water
C. luminous range
D. light characteristics
[单项选择]A vessel operating in class has met all the requirements of the （）.
A. CCS or similar society
B. insurance company
C. MSA
D. the Customs
[单项选择]Which of the following items is necessary for all waste heat boiler installations, regardless of design or manufacturer? （）
A. Control of evaporation
B. A separate means to prevent feed-water contamination
C. Power circulating pump
D. Super-heater
[单项选择]All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.
A. a green star signal
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
[单项选择]All of the following records are usually maintained by the watch-standing officers aboard avessel EXCEPT the（）.
A. deck logbook
B. official logbook
C. compass record book
D. chronometer error book
[单项选择]All of the following are associated with cumulonimbus clouds EXCEPT（）.
A. steady rainfall
B. hail storms
C. thunderstorms
D. tornadoes or waterspouts
