第二章船舶辅助机械

更新时间：2019-02-19 18:36:04 类别：二管轮

1、
Through a _____ pump, the liquid is transferred f
2、
The gear and screw pumps are classified as _____.
3、
Gear pumps are of positive displacement type pump
4、
A gear pump belongs to _____ according to its wor
5、
The pressure head of a pump is given in the unit
6、
A centrifugal pump produces the required pressure
7、
The discharge flow of a reciprocating pump is ___
8、
In a _____ the center screw is driven and the out
9、
Through a _____ pump, the liquid is transferred f
10、
A screw pump belongs to _____ according to its wo
11、
The amount of fluid delivered by a screw pump can
12、
While flowing through the volute in a centrifugal
13、
The amount of fluid delivered by a centrifugal pu
14、
The amount of fluid delivered by a reciprocating
15、
The amount of fluid delivered by a positive displ
16、
Which of the following pumps are self-priming, an
17、
The amount of fluid delivered by a helical pump c
18、
A positive displacement pump is that where the vo
19、
Throttling in the _____ line of a centrifugal pum
20、
As for a hydraulic single action vane pump, the i
21、
As for a hydraulic vane pump, which of the follow
22、
Shaft sealing in a centrifugal pump can be effect
23、
A reciprocating pump belongs to _____ according t
24、
A _____ pump is that where the volume of the pump
25、
What is the purpose of a relief valve?
26、
The pump discharge pressure will be considerably
27、
Which of the following pumps belongs to centrifug
28、
The volute pump is one in which the impeller ____
29、
In _____ pumps a closed discharge valve will caus
30、
Which of the following pumps are self-priming, an
31、
The amount of fluid delivered by a gear pump can
32、
Attempts are made to eliminate axial thrust in ce
33、
Which of the following pumps will build up a burs
34、
Which of the following operating features do disp
35、
The _____ pump discharges a nearly constant amoun
36、
Which of the following pumps is used where a rela
37、
Some pumps use packing as sealing glandThe gland
38、
Air chambers are usually fitted to reciprocating
39、
The pipe friction and the resistance will _____ a
40、
Which of the following will be the advantage of a
41、
Which of the following pumps are self-priming, an
42、
Centrifugal pumps can be designed with a number o
43、
The internal part of the boiler, if found _____,
44、
The internal part of boiler should be welded by y
45、
The tube in a boiler should be blinded if found _
46、
In a _____ boiler the water flows through the ins
47、
In a _____ boiler the hot gases from the furnace
48、
_____ are mounted in pairs to protect the boiler
49、
The furnace of an oil fired boiler should be ____
50、
When steam is being raised on a boiler, the water
51、
The donkey boiler may be given a bottom blow ____
52、
The water level in a steaming auxiliary boiler wi
53、
The boiler feed water check valves are located on
54、
If in doubt as to the true water level when a boi
55、
The boiler feed pump discharge pressure is higher
56、
Safety valves on a boiler vent to the _____.
57、
A donkey boiler is _____.
58、
The safety valves should be tested and adjusted w
59、
You should frequently compare drum-mounted and re
60、
Impurities from the boiler water surface can be r
61、
In motor ship, _____ is often used to recover som
62、
_____ will be used to blow away the combustion pr
63、
Latent heat changes the _____ of water.
64、
The amount of heat released by steam when it chan
65、
As for an oil-fired boiler if at a normal steamin
66、
As for a oil-fired boiler too much air would indi
67、
W.H.R stands for _____.
68、
When the boiler load returns to normal, the drum
69、
A dazzling white burner flame in the boiler furna
70、
The water level showing in a boiler water gauge g
71、
Which of the following may hardness of the boiler
72、
The separation of impurities and water from _____
73、
High-speed rotation in a centrifugal purifier can
74、
_____ are used to ensure that ships don ’t discha
75、
Oil water separators are used to ensure that ship
76、
The bilge main is arranged to drain any watertigh
77、
Emulsification of oil will occur when mixed with
78、
A centrifuge arranged to separate two liquids is
79、
A centrifuge arranged to separate impurities and
80、
When a clarifier is running the impurities and wa
81、
For many years marine centrifuges were designed f
82、
For a purifier, changing to a gravity disc with l
83、
For a purifier changing to a gravity disc with sm
84、
In an oily water separator the oil will travel __
85、
When started, a complete oily water separating un
86、
A high rate of separation between oil and water i
87、
A hydraulic motor may be driven by _____.
88、
In a hydraulic system, _____ are used to protect
89、
_____ are used for cargo handling.
90、
Among the basic categories of equipment, which of
91、
_____ are used to handle anchors and chains.
92、
The drive motor will have a brake arranged to fai
93、
_____ are used for hauling in or letting out the
94、
The drive motor will have a brake arranged to fai
95、
Among the basic categories of equipment, which of
96、
Among the basic categories of equipment, which of
97、
_____ are used to limit the pressure in any parti
98、
The rotor of the hydraulic motor rotates at a spe
99、
What type of valve is used to direct the flow of
100、
External and internal leakage in hydraulic system
101、
In a general cargo crane, _____ is fitted to rais
102、
Among the basic categories of equipment, which of
103、
The single acting cylinder is the simplest form w
104、
In a ordinary cargo crane, _____ is fitted to rot
105、
The crane is usually mounted on a pedestal to off
106、
In a general cargo crane, _____ is fitted to lift
107、
When the union purchase derrick is operated, one
108、
Cargo handling unit is rated according to the ___
109、
_____ play a very important part in hydraulic sys
110、
Which of the following can be used in hydraulic t
111、
_____ is the production of pure water from sea wa
112、
When a vacuum boiling evaporator works, the hot j
113、
With a vacuum boiling evaporator, the remainder o
114、
In a vacuum boiling evaporator, the fresh water g
115、
When distilling sea water the cooling water disch
116、
When distilling salt water the cooling water disc
117、
The process during which liquid containing a reas
118、
The starting air bottle should be pumped up to ma
119、
The primary task of the compressed air system is
120、
The evaporating pressure in R22 vapor compression
121、
Hot gas defrosting uses the hot gas from _____ to
122、
In a refrigeration plant the _____ need defrostin
123、
What is the substance called which can readily be
124、
A fluid coil will _____ large quantifies of heat
125、
A fluid coil will _____ large quantifies of heat
126、
The latent heat of evaporation is dissipated in t
127、
A refrigerant boils and vaporizes in the _____ in
128、
A refrigerant gives up heat when it goes through
129、
It should be ensured that only _____ vapor is han
130、
In the refrigeration compressor the temperature o
131、
If the capacity of the refrigeration compressor i
132、
If the capacity of the refrigeration compressor i
133、
In the process of _____, liquid changes into gas.
134、
Since heat will not flow freely from a body at a
135、
In a compression refrigeration plant the refriger
136、
The _____ compressor and its electrical motor are
137、
The heat used to change a liquid to a vapor is ca
138、
Both the temperature and the pressure of the refr
139、
The compressor suction line conveys the refrigera
140、
The thermal expansion valve controls the amount o
141、
When the temperature of the refrigerant flowing o
142、
During working, thermostatic expansion valve shou
143、
The expansion valve on a Freon system controls th
144、
A feeler or thermal bulb is used for the expansio
145、
In a compression refrigeration plant the refriger
146、
The boiling and condensation points of refrigeran
147、
The function of _____ in a refrigeration plant us
148、
The saturation temperature of the refrigerant mus
149、
After passing through the expansion valve the ref
150、
The refrigerant flows through the evaporator, whe
151、
In practice, the refrigerant flow after the evapo
152、
Which of the following will be desirable properti
153、
In the _____ refrigeration compressor one end of
154、
In a compression refrigeration plant the hot, hig
155、
What is the function of thermostatic expansion va
156、
In a vapor compression refrigeration the evaporat
157、
The device used for low-pressure control and high
158、
Which of the following may cause that the compres
159、
Which of the following may cause that excessively
160、
The presence of air in the condenser of a refrige
161、
Which of the following best describes “overcharge
162、
What separate the high pressure side from the low
163、
After fitting back in place the gear wheels, don
164、
The defective places in the furnace _____ with fi
165、
The designed _____ is 20 tons per day, but the fr
166、
The _____ of the gravity disc is too bigIt causes
167、
Water level controllers of the boiler must be kep
168、
The shaft and spare parts _____ should be well gr
169、
If a bilge pump failed to build up discharge pres
170、
Black smoke coming from a boiler can be caused by
171、
Moisture should be kept out of an R-12 system bec
172、
Air that may enter a refrigeration plant tends to
173、
Insufficient refrigerant in a refrigeration plant
174、
Which will cause the high pressure cutout to stop
175、
Black smoke coming from a boiler can be caused by
176、
A ruptured diaphragm in a thermostatic expansion
177、
Which of the following should be recorded in Oil R
178、
Oil Record Book Part I shall be provided to _____
179、
The emergency bilge suction or bilge injection va
180、
All bilge suctions must be fitted with suitable _
181、
Which of the following is NOT on the list items to
182、
Which of the following influences the position of
183、
For a L.Opurifier, if the back pressure of the oi
184、
When in operation, it is unavoidable that a small
185、
Coalescence is the breakdown of surface tension b
186、
Which of the following chemicals will be used whe
187、
The main steering gear must be able to steer the
188、
The auxiliary steering gear must be capable of be
189、
Special thrust devices are provided on ships to i
190、
The temperature _____ a liquid changes its state
191、
When making entries in the Oil Record Book, the da
192、
_____ shall be provided to every oil tanker of 15
193、
The core item in the Oil Record Book PartI is ____
194、
According to the international regulations concer
195、
If you must enter a room or compartment to combat
196、
Upon the completion of required tests, a _____ sh
197、
_____, i.ea steam cooler, may be filled in the bo
198、
Air conditioning is the process of treating air t
199、
One of the functions of ventilation is to _____ t
200、
_____ is the control of temperature and humidity
201、
_____ is the circulation and refreshing of the ai
202、
If liquid refrigerant accidentally comes in conta
203、
Should a person be overcome due to lack of oxygen
204、
Steering gears can be arranged with hydraulic cont
205、
Which of the following operations need NOT to be e
206、
Which of the following operations need to be enter
207、
Which of the following operations need to be enter
208、
As the air passes through the charge air cooler,
209、
With reference to a two ram actuating mechanism,
210、
With reference to an axial piston pump, which one
211、
With reference to a radial piston pump, which one
212、
With reference to operating a four-ram steering g
213、
With reference to rules governing steering gear,
214、
With reference to a rotary vane steering gear sys
215、
Large pipes or down-comers are fitted between the
216、
Topping wires fix the height of the derricks and
217、
_____ unit is mounted so as to raise and lower th
218、
_____, or drum is used for hauling in or letting
219、
Excessively warm water leaving condenser may be c
220、
Two rams of the hydraulic gear are linked at thei
221、
_____ connected to the moving tiller will bring t
222、
_____ system is arranged to ensure that water can
223、
Large pipes or _____ are fitted between the steam
224、
The water level in the gauge glass when a boiler
225、
Under rotary pumps are the gear, _____, cam-and-p
226、
_____ provides the head or pressure to supply the
227、
_____ may be fitted for operating the derrick top
228、
The _____ is used for hauling in or letting out t
229、
Manually operated band brakes may be fitted and _
230、
In cargo crane, _____ for lifting the load.
231、
Domestic water pump is started automatically by _
232、
Under centrifugal pumps are the volute, diffuser,
233、
In general, _____ is suitable for delivering smal
234、
Oil water separators are used to ensure that ship
235、
Additional heat extraction from the exhaust gases
236、
If a heavy sea strikes the rudder, the shock is t
237、
The control rod of a steering gear pump is attach
238、
Where tanks are arranged for either oil or ballas
239、
The control spindle operates the slipper ring or
240、
_____ is used for sensing the temperature of the
241、
According to the way the steering gear is operate
242、
The various pumps and lines are _____ to some ext
243、
_____ are more suitable for large quantities at l
244、
Gear pumps are _____ type because they discharge
245、
Centrifugal pumps are non-positive and a fairly _
246、
In _____ pump a closed discharge valve will not c
247、
The emergency bilge suction or bilge _____ is use
248、
Centrifugal pumps are popular because they are ve
249、
_____ is the breakdown of surface tension between
250、
Sealing in pump shaft is achieved by means of the

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