第三章船舶电气与船舶安全

更新时间：2019-02-19 18:36:20 类别：二管轮

1、
Ammeter is to measure the _____.
2、
In a modern three-phase A.Csynchronous brushless
3、
The overcurrent relay _____ the motor contactor w
4、
The _____ is a measure of the phase difference be
5、
Current changing in direction and rising and fall
6、
The operation of paralleling two alternators requ
7、
The _____, cage rotor induction motor is the firs
8、
The star-delta starter is an effective method of
9、
With a _____ load the voltage and current are in
10、
Sacrificial zinc anodes are used on the saltwater
11、
The _____ is used to measure the volume of a liqu
12、
"gauge pressure" means_____.
13、
A manometer is used to measure _____.
14、
A viscosity regulator used for an engine is usual
15、
Oil mist detectors are usually used on board to d
16、
UMS stands for_____.
17、
The main generators are connected to_____.
18、
The emergency generator or emergency battery is c
19、
Switchboards may be of the dead-front type in whi
20、
Remote control means that _____.
21、
The _____ is a crystal which, under pressure, pro
22、
_____ handle and instruments are on the front.
23、
With UMS, when the engine room is unwatched _____
24、
The difference between measured and desired value
25、
_____ systems are provided with a stand-by device
26、
The operating medium for control systems may be _
27、
_____ power is the power developed within the cyl
28、
_____ control system is one in which the control
29、
Prior to any overhaul work on electric equipment,
30、
Moisture in a D.Cmotor would cause _____.
31、
On commonly used ships, if two A.Cgenerators are
32、
Electric insulation is made of organic substances
33、
The system will include various _____ such as low
34、
_____ is used to produce electric power.
35、
The coil of wire rotating in the magnetic field p
36、
Shore power must be_____ during dock repair.
37、
The current flowing first in one direction and th
38、
Electrical supply is always needed even if only f
39、
The switchboards for a.csystems differ from the d
40、
The liquid flowing in the capillary is such that
41、
_____ shall be continuously powered and shall hav
42、
_____ is a machine by which electrical energy is
43、
After a ship enters service it is_____ for the ma
44、
The separate supplies are connected in either sta
45、
With a purely _____ load the voltage and current
46、
The operation of _____ two alternators requires t
47、
Which of the following marine examples belongs to
48、
_____ is the actual value of the controlled condi
49、
After the trouble of the automatic control system
50、
The alternating current generator supplying a loa
51、
With a purely resistance load the voltage and cur
52、
The power factor is a measure of the phase differ
53、
The field coils_____ and the armature is_____This
54、
The star formation is most commonly used and requ
55、
An a.cswitchboard is usually_____ the correspondi
56、
The magnetic field is provided by electromagnets
57、
To parallel an incoming machine to a running mach
58、
_____ is provided to alternators, in the event of
59、
When two different metals are joined to form a cl
60、
Movement of the diaphragm or bellows is _____ by
61、
Bourdon Tube is probably the most commonly used _
62、
This arrangement is _____ if the elements are dir
63、
In _____ the control action is independent on（of）
64、
Usually the panels are interlocked with _____ so
65、
It _____ for an emergency generator to require pa
66、
Brushless generators are designed to operate with
67、
A ground can be defined as an electrical connecti
68、
The output voltage of a 440 volt, 60 hertz, AC ge
69、
Any electric motor can be constructed to be_____.
70、
Which of the following statements represents the
71、
An accidental path of low resistance, allowing pa
72、
A resistance in a circuit of unknown value is to
73、
Which of the following electric motors would be t
74、
A direct current passing through a wire coiled ar
75、
Which of the listed devices is used to measure pr
76、
The device that most commonly utilizes the princi
77、
One factor that determines the frequency of an al
78、
Which of the motors for the devices listed below
79、
The Wheat-stone bridge is a precision measuring i
80、
The greatest detrimental effect on idle electrica
81、
The frequency output of an operating alternator i
82、
An electrical device which prevents an action fro
83、
A circuit breaker and a fuse have a basic similar
84、
The electrolyte in a lead-acid storage battery co
85、
Electrical leads and insulation on a motor should
86、
Voltage generated by most AC generators is fed fr
87、
A circuit breaker differs from a fuse in that a c
88、
As a general rule, the first troubleshooting acti
89、
An electrical device which employs a stationary a
90、
The first requirement for logical troubleshooting
91、
The load sharing characteristics of two diesel ge
92、
What type of rotor is used in split-phase motors?
93、
A constant output voltage from an AC generator is
94、
A fuse that blows often should be replaced only w
95、
To repair a small electrical motor that has been
96、
The output voltage of a three-phase alternator is
97、
The function of damper windings in a synchronous
98、
Which of the following statements is true concern
99、
Time delayed or delayed action-type fuses are des
100、
The part of a fuse that melts and opens the circu
101、
What will be the phase angle relationship of a si
102、
The main difference between a motor control circu
103、
Fuses placed in series with a thermal trip-type c
104、
Ammeters and voltmeters used in sinusoidal AC pow
105、
Before reassembling any machinery, you should ___
106、
The most common source of excitation for synchron
107、
Since fuse elements are made of zinc or any alloy
108、
Which of the listed precautions should be taken w
109、
The purpose of DC generator brushes is to _____.
110、
Power transformers are rated in _____.
111、
Which of the following types of motors is often d
112、
A device which prints out a permanent record of t
113、
Copper is often used as an electrical conductor b
114、
Under which of the listed conditions can the engi
115、
Routine maintenance of lead acid batteries should
116、
Electrical circuits are protected against overhea
117、
The function of a rectifier is similar to that of
118、
Most conducting materials such as copper, aluminu
119、
In a series circuit, which value will remain unch
120、
Which of the following components are used to con
121、
Line losses in a distribution circuit are kept to
122、
Reduced voltage applied to a motor during the sta
123、
The total resistance of a parallel circuit is alw
124、
A “dead front ” switchboard is one _____.
125、
The sub-multiple prefix "milli" （m） means _____.
126、
When you are making a high potential test on a pi
127、
The purpose of a main switchboard circuit breaker
128、
A signal derived from a controlled function and r
129、
The sub-multiple prefix “micro ” means _____.
130、
A semiconductor is a material with a _____.
131、
The part of the shipboard electrical system used
132、
A switchboard for an AC electrical system require
133、
The resistance of a conductor varies _____.
134、
Possible phase relationships between voltage and
135、
The sub-multiple prefix “nano” （n） means _____.
136、
A switchboard, for a AC electrical distribution s
137、
Which of the electrical properties listed will al
138、
A generator is prevented from becoming motorized
139、
Aboard ship, a grounded field coil in an AC motor
140、
Grease coatings on electrical contact surfaces in
141、
A ground in an electrical circuit outside the eng
142、
Which of the following statements concerning a si
143、
Which of the listed items will stop a motor due t
144、
Which of the following statements is true concern
145、
The pushbutton on the handset of a ships sound-po
146、
The frequency of an alternator at a given RPM is
147、
In a three-phase circuit, the phase voltages are
148、
The division of the kilowatt load between two AC
149、
The division of kilowatt load between two paralle
150、
In a simple series circuit, the entire source vol
151、
The most inefficient method of voltage reduction
152、
Which is a function of the voltage regulators use
153、
For practical purposes, in a simple series circui
154、
If both the "high level" and "low level" alarms c
155、
The instantaneous reduction in voltage of an AC g
156、
An ohmmeter can be used to measure_____.
157、
When placed in a magnetic field, which of the mat
158、
A transformer in an electric circuit serves to __
159、
The main purpose of an electric space heater inst
160、
Prior to starting an AC generator prime mover, th
161、
When securing an AC generator, you should FIRST _
162、
When the current flow through a copper wire incre
163、
The frequency of an AC generator is adjusted by m
164、
When measuring AC current flow, you must always c
165、
To increase the frequency of an operating AC gene
166、
AC and DC generators are similar in that they ___
167、
If the length of a wire is halved and the cross-s
168、
Which of the following devices are protected from
169、
An advantage of DC motors over AC motors is that
170、
To equalize the power factor of two alternators o
171、
Equal power factors on paralleled AC generators a
172、
If the resistance of a circuit is cut in half and
173、
The power factor at which a paralleled AC generat
174、
The primary function of an electric motor is to _
175、
Current measuring instruments must always be conn
176、
The total power consumed in a parallel circuit is
177、
The resistance of electric wire will decrease as
178、
The power factor of an AC generator operating sin
179、
When the voltage remains constant and the resista
180、
An ammeter should be used to measure _____.
181、
Why is it desirable to operate paralleled AC gene
182、
An operational amplifier, as used in todays conso
183、
When the current in a power transmission line is
184、
Which of the listed sections of an emergency swit
185、
The operator of electrical motors should keep a c
186、
Inductance is the property of an electric circuit
187、
Capacitance is the property of an electric circui
188、
The frequency of an AC generator is controlled by
189、
The frequency of an alternator is controlled from
190、
Complete maintenance of electrical motors should
191、
The number of cycles per second occurring in AC v
192、
Voltage will always lead current in a/an _____.
193、
The need for insulation cleaning may be determine
194、
You are attempting to parallel two AC generators
195、
Ambient temperature is the _____.
196、
Electric circuits are protected against overloads
197、
While paralleling two （2） AC generators using syn
198、
When voltage and current developed in an AC circu
199、
Moisture absorbed in the windings or condensed on
200、
The voltage developed by an AC generator is contr
201、
You are attempting to parallel two AC generators,
202、
AC voltmeters are generally calibrated to read th
203、
When two AC generators are being paralleled, the
204、
When paralleling two AC generators, the frequency
205、
The unit "hertz" is equivalent to _____.
206、
A DC generator is used to supply direct current i
207、
When paralleled, AC generators must have the same
208、
To protect the rotor of a motor disassembled for
209、
Which of the following materials is a good insula
210、
Electrical power is expressed in _____.
211、
Which of the following should be the FIRST step i
212、
Prior to closing the breaker when paralleling two
213、
Accidental grounds in a shipboard electrical syst
214、
Current flowing in only one direction is called _
215、
An alternator is being paralleled with one on the
216、
In an alternating current electrical system, a lo
217、
The unit of electrical power is the _____.
218、
If a small electric motor is immersed in salt wat
219、
In order to change the direction of rotation of a
220、
Some large A.Cmotors are equipped with heatersThe
221、
The unit of electrical resistance is the _____.
222、
If a DC motor runs hot, the cause may be _____.
223、
Sparking at the brushes of a running motor could
224、
A three-phase alternator operates at 450 volts wi
225、
Electrical failures in motors are caused by the b
226、
An operational amplifier, as used in todays conso
227、
Universal motors will operate on AC or DC current
228、
A motor enclosure which protects against falling
229、
A diesel driven emergency generator is prevented
230、
The energy consumed by an AC motor, as strictly r
231、
A vessel is equipped with two ships service gener
232、
An alternator switchboard has a synchroscope and
233、
The most common type of AC service generator foun
234、
Which of the following statements represents the
235、
Before any work on electrical or electronic equip
236、
An emergency generator, driven by an internal com
237、
When working on a high voltage circuit, you shoul
238、
When there is a fire in a large electric motor, n
239、
If a steering motor becomes overloaded, the _____
240、
Generators should have an excitation/voltage regu
241、
Self-excited a.cgenerator with "error operated" v
242、
_____ is a precaution which contributes to avoidi
243、
In the engine department, the _____ is looked upo
244、
During an engine room watch if immediate action i
245、
At the beginning of the watch the current operati
246、
When under maneouvring conditions with the machin
247、
Bridge orders must be _____ and a record of any r
248、
Keep compartment ______ as the gas given off can
249、
The company should establish procedures to ensure
250、
The SMS should provide for specific measures aime
251、
The requirements of the ISM Code may be applied t
252、
The objectives of the ISM Code are to ensure _____
253、
The purpose of the ISM Code is to provide _____ s
254、
_____ means the Government of the State whose fla
255、
In discussing oil pollution, one important fact t
256、
While loading bunkers, you notice oil on the wate
257、
STCW shall apply to seafarers_____ on board seago
258、
The basic training in fire prevention and fire fi
259、
The basic training in fire prevention and fire fi
260、
The main causes of fire on board ships are _____.
261、
The fire-fighting practical training should take
262、
Ship fire-fighting organization includes _____.
263、
Safety-management objectives of the Company shoul
264、
The results of the audits and reviews _____ to th
265、
The Company should ensure that the ship ’s person
266、
The Company should ensure that the ship ’s person
267、
The Company should ensure that _____ involved in t
268、
The Company should ensure that the master is fully
269、
The SMS should provide for _____ ensuring that th
270、
An oil in water monitor is required in order to m
271、
A vessel is required to carry an Oil Record Book
272、
A segregated ballast system is a system where ___
273、
The abbreviation "GM" is used to represent the __
274、
Which of the following statements describes one o
275、
The lowest temperature at which the vapor formed
276、
The distance between the bottom of the hull and t
277、
Which of the following machinery space operations
278、
For an upright vessel, draft is the vertical dist
279、
Which of the following operations aboard a tanker
280、
The Oil Record Book must be maintained onboard th
281、
The approval period for a shipboard oil pollution
282、
A fire is considered "under control" when _____.
283、
A shipboard oil pollution emergency plan is requir
284、
Each completed page of the Oil Record Book must be
285、
To prevent the spread of fire by conduction, you
286、
The difference between the starboard and port dra
287、
In the Oil Record Book, a comprehensive list of o
288、
Burning diesel oil should be treated as which cla
289、
If your vessel has a starboard list after taking
290、
Convection spreads a fire as a result of _____.
291、
Under the regulations implementingMARPOL, a mobile
292、
The International Oil Pollution Prevention Certifi
293、
The International Oil Pollution Prevention Certif
294、
A class "B" fire would most likely occur in the _
295、
On a tank vessel, which of the following substanc
296、
Fire detecting systems on merchant vessels may be
297、
If an oil spill occurs on deck, you should _____.
298、
Which of the listed burning materials would be de
299、
Radiation can spread a fire by _____.
300、
In the event of a small bunker oil spill on deck
301、
Small oil spills on deck can be prevented from co
302、
The scuppers should be plugged _____.
303、
A class "C" fire would most likely occur in the _
304、
A class "C" fire would occur in _____.
305、
A class "C" fire is burning _____.
306、
Except in rare cases, it is impossible to extingu
307、
Which of the listed materials would be considered
308、
On a cargo vessel, fire and boat drills must be h
309、
A fire, occurring in the windings, of an overload
310、
Fire dampers prevent the fire spreading through t
311、
A burning AC motor would be considered what class
312、
Which of the following statements is least likely
313、
If emergency welding repairs must be made to the
314、
A fire may be spread by which of the following me
315、
A fire in an electrical generator is considered t
316、
A fire and boat drill on a tank vessel shall, by
317、
Besides heat, fuel, and oxygen, which of the foll
318、
Which of the listed classes of fire is considered
319、
The class of fire on which a blanketing effect is
320、
Which statement concerning the collection of fres
321、
If ignited, which of the listed materials would b
322、
Which of the listed classes of fire would most li
323、
One of the methods NOT usually allowed in cleaning
324、
A class "D" fire would be considered as burning _
325、
Seawater may be used for drinking water _____.
326、
Which of the following gases represents the great
327、
Fires involving combustible metals are classified
328、
Which of the following components provides a dire
329、
A fire involving aluminum powder would be a class
330、
One of the disadvantages of using carbon dioxide t
331、
The use of sinking and dispersing agents for the
332、
Records of garbage disposal are required to be ma
333、
A tank which has been sealed for a long period of
334、
Fires occurring in combustible metals, such as so
335、
A tank has been sealed and unventilated for a lon
336、
The most common type of containment device for sp
337、
An example of class "A" fire is a/an .
338、
The lowest temperature at which a liquid gives of
339、
Why is it necessary to warn engine room personnel
340、
In cleaning up an oil spill, the use of chemical
341、
If fuel is burned from only the starboard tanks,
342、
Which of the following statements is true concern
343、
A fire in a pile of canvas would be classified as
344、
In cleaning up an oil spill, the use of straw or
345、
A fire in a pile of dunnage would be classified a
346、
A fire involving trash and paper waste would be c
347、
Hydrocarbon vapors are usually detected by the us
348、
While reading the station bill, you find "three （
349、
Most lifeboats are equipped with _____.
350、
For which of the listed classes of fire combinati
351、
Your vessel is taking on bunkers from a shore sid
352、
A fire in a pile of linen is considered to be a cl
353、
A combustible gas indicator is used to determine
354、
Your vessel is taking on fuel oil when a small le
355、
While loading bulk oil, you notice oil on the wate
356、
Before entering a fuel tank that has been cleaned
357、
When you notice oil on the water near your vessel
358、
If you detect oil in the water around your vessel
359、
While taking on fuel, you notice oil on the water
360、
If you observe any situation which presents a saf
361、
If an incorrect entry were made in the Oil Record
362、
The sections of an Oil Record Book proceeding the
363、
Which statement regarding garbage disposal is cor
364、
How long warning must be provided by the CO2 warni
365、
CO2 extinguishes a fire by _____.
366、
You can find the location of your abandon ship po
367、
When off loading garbage to another ship, your re
368、
Your assigned emergency stations aboard your vess
369、
Fire and lifeboat stations are required to be lis
370、
In order to find out which lifeboat you are assig
371、
A vessel sailing through the specific special are
372、
The process that occurs when heat is generated by
373、
When an oil fire has been extinguished, the surfa
374、
In the event of a fire, the doors to a stair towe
375、
During oil transfer operations, who would be resp
376、
The longer an oil fire is permitted to burn, the
377、
Fires resulting from spontaneous combustion are u
378、
A person on a fixed, or floating platform engaged
379、
Why should you wear a self-contained breathing ap
380、
A person on a fixed or floating platform engaged
381、
In which of the areas listed is a fire resulting
382、
Which of the circumstances listed is an exception
383、
The most likely place for a fire to start through
384、
When welding or burning aboard a vessel, you must
385、
To prevent the spread of fire by convection you s
386、
The term "discharge", as it applies to the pollut
387、
If a small fire initially breaks out in the engine
388、
The vapors given off by heated fuel oil are flamm
389、
Fire prevention during welding or burning aboard
390、
You are about to enter a compartment to investiga
391、
If it becomes necessary to pump bilges while a ve
392、
The vapors given off by heated fuel oil are heavi
393、
All of the following are part of the fire triangl
394、
Diesel fuel vapors _____.
395、
When approaching a fire from win ward, you should
396、
The best method of extinguishing a class A fire i
397、
Where should muster lists be posted?
398、
In the fire main system, quick cleaning strainers
399、
Which of the listed extinguishing agents is NOT s
400、
As its temperature rises, the volume of fuel oil
401、
The heat generated by a fire will be transferred
402、
The rate of expansion of heated fuel oil varies w
403、
Combustible material stored in a compartment adja
404、
The spreading of fire as a result of heat being c
405、
When you hear three short blasts on the ships whi
406、
While reading the muster list, you see that "thre
407、
If a fire ignites in the engine room as a result
408、
A fire can be extinguished by removing _____.
409、
The four basic components of a fire are fuel, hea
410、
The FIRST step to take in fighting an engine room
411、
The four basic components of a fire are chain rea
412、
If a fire occurs in the boiler room as a result o
413、
Engines for lifeboats are required to have suffic
414、
The three basic elements necessary for any fire a
415、
When fighting a spreading fire resulting from a b
416、
When making entries in theOil Record Book, all qua
417、
An oxygen indicator will detect _____.
418、
The volatility of a liquid is the tendency of a l
419、
Which of the following conditions is true concern
420、
In fighting a fire in a fuel tank, the FIRST acti
421、
The FIRST course of action in fighting a fire in
422、
Which of the actions listed should be taken FIRST
423、
The necessity for administering artificial respir
424、
All personnel should be familiar with the lifeboa
425、
While working in the engine room, you hear seven
426、
Before attempting to put out a class “C” fire inv
427、
If the diesel fuel vapors present are within the
428、
You are transferring fuel from the storage tanks
429、
When fighting an electrical fire, you should firs
430、
If the buoyant force on a ships hull is equal to
431、
Diesel fuel is relatively safe to handle due to i
432、
In the first 24 hours after abandoning a vessel,
433、
If you have to abandon ship and enter a life-raft
434、
The abandon ship signal sounded by the vessels wh
435、
You hear the general alarm bells and ships whistl
436、
If a CO2 fire extinguisher is not readily availab
437、
To extinguish an electrical fire, you should use
438、
Which of the following represents the emergency s
439、
Which of the fire extinguishing agents listed is
440、
Which of the listed fire extinguishers is recomme
441、
Which of the petroleum products listed has the lo
442、
After a fire has been extinguished in a closed sp
443、
If there has been a fire in a closed unventilated
444、
When reentering an engine room that has been floo
445、
You may improve a vessels stability by _____.
446、
In order to find out which lifeboat you are assign
447、
Which of the following statements is true concern
448、
The stability of a vessel is normally the greates
449、
When checking the liquid level in a tank, you sho
450、
Which of the listed fire extinguishers cannot be
451、
A carbon dioxide fire extinguisher has been parti
452、
Which of the fire extinguishers listed is to be w
453、
Before the seas get rough, it is a good safety pr
454、
Which of the precautions listed should be observe
455、
To avoid excessive pressures in the fuel oil fill
456、
The term "load on top" is used on many crude oil
457、
The safe rate of bunkering heavy fuel oil is dire
458、
One precaution to take prior to working in a fres
459、
Your ship has run aground and it is necessary to
460、
After taking on fuel oil, the hoses should be dis
461、
To prevent the overflow of cargo tanks due to exp
462、
In order to release CO2 to the machinery spaces fr
463、
Why is it important for fuel oil tanks not to be
464、
During fueling operations, which of the listed pr
465、
The most critical part of the bunkering operation
466、
After fuel tanks have been topped off, which of t
467、
If the overflow tank high-level alarm sounds whil
468、
The amount of expansion space to be left in a fue
469、
The fire extinguishing action of CO2 comes mostly
470、
The lengthening of a crack formed in the shell pl
471、
Portable carbon dioxide fire extinguishers should
472、
Waste oil from the lube oil sumps of machinery ma
473、
Bilges may be pumped _____.
474、
Following a grounding, you can best determine tha
475、
Your vessel has run aground and upon taking fuel
476、
The device used for preventing the passage of fla
477、
At the earliest indication of fire aboard your ve
478、
A new ocean going ship of 2000 gross tons having
479、
Which of the following statements represents the
480、
A firemans outfit carried onboard cargo vessels,
481、
An oceangoing ship of 400 gross tons and above mu
482、
While on watch in the engine room, you hear a con
483、
While on watch in the engine room, you hear a con
484、
As soon as you hear the fire and emergency signal
485、
Which of the following actions should be taken by
486、
When the general alarm is sounded continuously, t
487、
Which of the actions listed should be taken by th
488、
The term "oil", as used in the Pollution Preventio
489、
The term "oily mixture", as defined in the Polluti
490、
An oxygen indicator will detect _____.
491、
To determine that a compartment contains sufficien
492、
Which of the following liquids can ordinarily be d
493、
An International Oil Pollution Prevention Certific
494、
If fuel tank levels are found to have increased af
495、
The word "discharge" as used in Pollution Preventi
496、
What safety precautions should be observed by the
497、
The explosive range of a mixture of flammable vapo
498、
The trim of a vessel is the _____.
499、
The order “_____” means “Maximum maneuvering engin
500、
"Movement of engine no longer required." means “__

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