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2007年第2期海船船员适任证书全国统考试题(总第43期)
1、【 单选题 】
The frequency of an alternator at a given RPM is determined by the ______. [1分]
、 number of turns of wire in the armature coil
、 number of magnetic poles
、 strength of the magnets used
、 output voltage
答案:
2、【 单选题 】
While paralleling two AC generators using synchronizing(同步的) lamps only, both lamps will go dark when the generators are ______. [1分]
、 running at the same speed
、 grounded
、 of the same polarity(极性)
、 in phase
答案:
3、【 单选题 】
The load sharing characteristics of two diesel generators operating in parallel are mostly dependent on their governor ______. [1分]
、 load limit settings
、 idle speed settings
、 speed limit settings
、 speed droop settings
答案:
4、【 单选题 】
Electric insulation is made of organic substances and so gradually ______with age. [1分]
、 deteriorates
、 increases
、 are fouled
、 becomes better
答案:
5、【 单选题 】
The main generators are connected to ______. [1分]
、 distribution boards
、 section boards
、 emergency switch boards
、 main switch boards
答案:
6、【 单选题 】
The operation of _____ two alternators requires the voltages to be equal and also in phase. [1分]
、 control
、 series-mounting
、 running
、 paralleling
答案:
7、【 单选题 】
______is a machine by which electrical energy is transformed into mechanical energy. [1分]
、 An alternator
、 An electric motor
、 A diesel engine
、 A main switchboard
答案:
8、【 单选题 】
A ground in an electrical circuit outside the engine room ______. [1分]
、 cannot be detected under normal conditions
、 is of no consequence to engineering personnel
、 is indicated at the branch circuit breaker panel
、 is indicated by the ground detecting lamps on the main switchboard
答案:
9、【 单选题 】
Time delayed or delayed action-type fuses are designed to ______. [1分]
、 prevent grounds in branch circuits
、 prevent opens in motor circuits
、 permit momentary overloads without melting
、 guard lighting and electronic circuits
答案:
10、【 单选题 】
When voltage and current developed in an AC circuit reach their peak values at the same time, the power factor is ______. [1分]
、 lagging
、 leading
、 maximum
、 minimum
答案:
11、【 单选题 】
When there is a fire in a large electric motor, normally the very FIRST step is to ______. [1分]
、 secure the electric supply
、 ventilate area to remove smoke
、 start the fire pump and lead out hose
、 apply foam
答案:
12、【 单选题 】
Before “stand by” is rung on the engine telegraph, it is usual to give the main diesel engine a brief trial ______ahead and astern. [1分]
、 with power
、 on power
、 with air
、 on air
答案:
13、【 单选题 】
Bridge orders must be ______and a record of any required changes in speed and direction should be kept. [1分]
、 slowly carried away
、 carried out with a period of delay
、 promptly carried out
、 paid by the captain
答案:
14、【 单选题 】
After the order ' ______' is given, the air system is shut down, the turning gear put in. [1分]
、 Finished With Engine
、 Stop The Engine
、 Stand-by Engine
、 Slow-down Engine
答案:
15、【 单选题 】
A tank has been sealed and unventilated(不通风的) for a long period of time. Which of the following conditions does this indicate? [1分]
、 The tank is safe to enter.
、 The tank is especially dangerous to enter.
、 Carbon monoxide(一氧化碳) is present.
、 Water vapor present when the tank was sealed has oxidized(使氧化).
答案:
16、【 单选题 】
Fires involving combustible metals are classified as ______. [1分]
、 class 'A' fires
、 class 'B' fires
、 class 'C' fires
、 class 'D' fires
答案:
17、【 单选题 】
The three basic components of a fire are chain reaction, heat, fuel, and ______. [1分]
、 carbon monoxide
、 oxygen
、 carbon dioxide
、 any gaseous substance
答案:
18、【 单选题 】
CO2 extinguishes a fire by __________. [1分]
、 a blanket of bubbles formed on the surface of the fire
、 smothering
、 isolating the heat from the fuel
、 cooling
答案:
19、【 单选题 】
Seawater may be used for drinking water ______. [1分]
、 at a maximum rate of two ounces(盎司) per day
、 after mixing with an equal quantity of fresh water
、 if gather during or immediately after a hard rain
、 under no circumstance
答案:
20、【 单选题 】
Obviously, for a given fuel oil, its pour point is ______its cloud point. [1分]
、 lower than
、 higher than
、 as same as
、 better than
答案:
21、【 单选题 】
Now that the valve is not worth ______, I suggest it ______. [1分]
、 to repair/renewing
、 repairing/renewing
、 to repair/ be renewed
、 repairing/be renewed
答案:
22、【 单选题 】
When a vessel is in dry-dock, the vessel's engineers should ______. [1分]
、 examine the condition of the propeller
、 chip and paint all hull protection zincs
、 install new docking plugs in all cofferdams
、 inspect the hull for hogging or sagging
答案:
23、【 单选题 】
The additional mark ______in the Classification Certificate for Machinery represents the propulsion apparatus is remotely controlled on the navigating bridge control station, and engine room is watched by duty personnel. [1分]
、 BRC
、 MCC
、 AUT-0
、 AUT-1
答案:
24、【 单选题 】
Oil Record Book Part I shall be provided to ______. [1分]
、 every oil tanker
、 every ship of 400 tons gross tonnage and above
、 every ship
、 any ship
答案:
25、【 单选题 】
“Inability to provide for the first watch at the commencement of a voyage and for subsequent relieving watches persons who are sufficiently rested and otherwise fit for duty.” is considered to be one of the detainable deficiencies(缺乏) under ______. [1分]
、 the SOLAS Convention
、 the MARPOL Convention
、 the STCW Convention
、 the LOAD LINE Convention
答案:
26、【 单选题 】
The Port State Control officer may witness a fire drill carried out by the crew assigned to these duties on the ______. [1分]
、 Navigation Log Book
、 Engine Room Log Book
、 Oil Record Book
、 Muster List
答案:
27、【 单选题 】
When deciding the composition of the engineering watch, which may include _____appropriately, many factors shall be taken into account. [1分]
、 satisfied engineers
、 qualified ratings
、 satisfied chief engineer
、 qualified chief engineer
答案:
28、【 单选题 】
During an engine room watch if immediate action is necessary to ensure safety of the ship, its machinery and crew, ______. [1分]
、 the chief engineer must be informed at first
、 the captain must be informed at first
、 it must be taken by the duty engineer
、 the generator engine must be stopped
答案:
29、【 单选题 】
One of the methods NOT usually allowed in cleaning up oil spills in the United States is ______. [1分]
、 skimmers
、 straw
、 dispersants
、 sawdust
答案:
30、【 单选题 】
According to the international regulations concerning the prevention of pollution of sea areas from ships, the disposal into the sea of all plastics is ______. [1分]
、 welcome
、 admitted in some special sea areas
、 prohibited
、 acceptable
答案:
31、【 单选题 】
In cleaning up an oil spill, the use of chemical agents would ______. [1分]
、 absorb the oil for easy removal
、 remove the oil from the water
、 disperse(分散) or dissolve the oil in the water
、 not affect the oil
答案:
32、【 单选题 】
The main objective of the SOLAS Convention is to specify ______for the construction, equipment and operation of ships, compatible their safety. [1分]
、 at most references
、 at least references
、 maximum standards
、 minimum standards
答案:
33、【 单选题 】
These acid residues must be prevented from entering the crankcase, otherwise the lube oil would be _______ . [1分]
、 optimized
、 emulsified
、 contaminated
、 oxidated
答案:
34、【 单选题 】
The ship security officer shall have knowledge and have received training, taking into account the guidance given in Part B of______. [1分]
、 the ISM Code
、 the ISPS Code
、 the IBC Code
、 the IGC Code
答案:
35、【 单选题 】
According to above massage, the advantage of common-rail injection is______. [1.5分]
、 smokeless operation
、 shockless operation
、 noiseless operation
、 no vibration operation
答案:
36、【 单选题 】
According to above massage, RT-flex engine can optimize______.① fuel injection pressure
② combustion  ③ exhaust valve timing [1.5分]
、 ①②
、 ①②③
、 ③
、 ②
答案:
37、【 单选题 】
The key feature of the Sulzer RT-flex system is that it gives complete freedom in the _____ and operation of fuel injection and exhaust valve actuation. [1.5分]
、 metering
、 timing
、 control
、 using
答案:
38、【 单选题 】
The RT-flex engine can run at very low speed,  this is made possible by following things except _______. [1.5分]
、 the precise control of injection
、 the higher injection pressures
、 the optimized exhaust valve timing
、 the sequential shut-off injectors
答案:
39、【 简答题】
(轮机日志)上午10时30分,由于不明原因运行中NO.1发电机跳闸,导致全船失电,  NO.2发电机自动起动恢复正常供电。 [10分]
解析:
(turbine log) 10 a.m. 30 points, due to unknown causes operation of NO. 1 generator tripped, causing the whole ship losing electricity, NO. 2 generator automatic starting back to normal power supply.
40、【 简答题】
(修理单)NO.2重油分油机解体检修, 立轴、横轴抽出检查,所有密封橡胶O形圈、轴承换新。 [10分]
解析:
(repair single) NO. 2 heavy oil purifier is oily, vertical shaft, the horizontal axis of the overhaul sealed rubber out inspection, all o-rings, bearing change new.
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