Brown's Elementary Questions and Answers for Marine Engineers Together with Alternative Questions

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J. Brown & Son, 1916 - Marine engineering - 322 pages
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Contents

Superheater
17
Priming
20
A blast pipe what is its construction? Where is it placed? For what
22
Cap of safety valve
25
Of what pieces does a glass water gauge mounting consist? How does
26
Watergauges various arrangements
27
Face of pressure gauge
28
Drain cock etc pressure gauge
29
Scum cock
30
Of what does scale consist? Where is it most objectionable? How is
32
Salinometer
34
Patent tube stopper
36
When there are no dampers fitted what is used instead? What evil
37
Escape valve for cylinder
39
Styles of compound engines
41
Link motion
42
Expansion slide valve
43
What arrangement is applied to reduce the friction of a slide valve?
44
Relief rings on slide valves
45
Loose eccentric and gab lever
46
Double beat valve
48
Weirs Uniflux condenser
49
An air valve is sometimes fitted to a circulating reciprocating pump what
50
BonAccord pump
52
With a surface condenser and a single acting air pump what is the effect
59
no iaus 38 Securing condenser tube ends
64
What are snifting valves? Why are they generally omitted now?
65
Interceptor
67
When under way when the air pump bucket is at the top of its stroke
69
Finding pitch of propeller
70
Right and left band propeller
71
Steam lubricator
74
A common paddle wheel of what is the centre made? Of what are
76
Feathering paddle wheel
78
Outer bearing for paddle shaft
79
Of what materials are the working surfaces of a paddle wheel with
80
Clutch for disconnecting
81
Expansion joint
82
Trunnion bearing
84
Thrust block
86
What parts of a screw shaft are generally covered with brass? Why
87
Lignum vita? bearing
90
What parts of an engine or its fittings should be felted or otherwise
93
Balance piston
94
Through what cocks or valves pipes and chambers does the water pass
96
Air vessels
98
Mud box
99
Trunk engine
100
For what have geared engines sometimes been used? Of what were
102
In the construction of smokebox doors and of dry uptakes what
106
By what arrangement is the circulation promoted in a haystack boiler?
108
Haystack boiler
109
What is back pressure in a cylinder? About how much is it in each
114
Side discharge valve III
116
Port open for lead
118
Showing steam lap
119
What is the exhaust cover of a slide valve? What is its effect upon
120
Exhaust lead or minus lap
121
159 What is cushioning or compression in a steam cylinder? How is
122
Indicator card divided up for mean effective pressure measurement
123
Barometer
126
Vacuum is generally stated as so many inches What is meant by say
128
Thermometers
131
What are the effective heating surfaces of a marine boiler?
133
MeyerSmith oil burning installation
136
About how many tons of steam coal will be burnt per day with good
138
Pressure on guide bar
139
How would you prove whether the centre line of the trunnions of
140
Induced draught
142
Balanced
144
How is the intensity of forced or induced draught measured? What
145
Steam loops have sometimes been inadvertently made in the length
162
Babcock Wilcox watertube boiler
165
How is the watergauge fitted in a watertube boiler? Are glass gauges
168
167 85 Aulds reducing valve
170
Governors 70 304
171
no MOB 87 Aulds reducing valve
172
Babcock Wilcox boiler feed regulator
173
Describe the construction of any steam turbine you are acquainted with
174
Turbine blading
175
Dummy strips for turbine
176
Geared turbine
178
Is the same power in a steam turbine available to go astern as to go ahead?
179
Explain how the ammonia is removed from the tubes in which it is supplied and how passed into the refrigerating machine
183
What objection is there to the presence of water in the ammonia?
184
95 horizontal duplex COa machine
185
Are escape valves fitted to the compressors of ammonia machines?
186
COa machine electrically driven
187
Explain how carbonic acid is removed from the tubes in which it is supplied and how passed into the refrigerating machine
188
Of what material are the parts made which are in contact with the carbonic acid?
189
What kind of pressure and other gauges are used in carbonic acid machines?
190
Are fans for circulating air used in any of the refrigerating processes? If so why are they necessary?
191
What effect may the swabbing of the compressor piston rods have upon the working of refrigerating machinery?
192
What is a rectifier? Explain its use
193
Of what material are the air suction and delivery valves of a cold air machine made? How are the valves kept on their seats?
194
What objection is there to the presence of moisture in the air passed through the cold air machine?
195
Cold air chambers on board ship are insulated How and why?
196
Is it prudent to allow the wires of an electric circuit to pass through the insulation? Explain fully
197
99 Weirs injection feed heater
198
multiflow feed heater
199
To about what temperature is the feed water raised by passing through a feed heater?
200
Describe any wellknown ash ejector
201
IOI Position and arrangement of feed heater Plate IX
202
Describe any wellknown independent feed pumps
203
Are independent feed pumps automatic in their action? Explain the action
204
Describe the construction of a feed filter enumerating its valves and cocks
205
How can the filter be cleaned? What ingredients are generally removed when cleaning takes place?
206
What is the intercepting material in a filter made of? How is it fitted?
207
What fittings are necessary with evaporators?
210
How may the evaporator coils be cleaned?
211
I08 11
212
no shunt winding
213
compound winding
214
In what respect does an electric motor differ from a dynamo? Where are electric motors sometimes used on board ship?
215
How is the position of a fault in the electric circuit discovered?
217
Detector or galvanometer
218
Tests for faults on circuits
219
What is sparking and may it under some circumstances naming them be a danger?
220
What means are employed to prevent any part of the circuit becoming overheated?
221
Describe the features of an arc lamp
222
12a Switches
224
Resistance coils
225
What danger might arise from leading electric wires through coal bunkers?
228
Ammeter and voltmeter
229
Steering Gear etc 298 299 300 301 302
231
Alley McLellans steam steering gear
232
Explain clearly what is being done by a helmsman manipulating
233
Diagram of hydraulic accumulator 23a I24 Alley McLellans steering gear Plate XIV
234
i1
237
i3 11 1i M
240
33 Diagram of strokes oil motor
241
What kind of oil is usually employed in oil motors? What is its flash
242
34 Jump spark system of ignition
244
Describe how an oil motor is started If starting prove difficult where
246
Ash Ejectors
261
Evaporators 275276277278
275
Vacuum 162 166 168303
303
Feed Heaters and Filters 222 265 266 267 272 273 274
313
Edwards air pump 54
316
Governor details
317
Valves and Cocks 35 36 37 38 39 40 42 44 47 55 56 59 60 63
321

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Page 253 - includes every ship employed in trading or going within the following limits ; that is to say, the United Kingdom, the Channel Islands, and Isle of Man, and the Continent of Europe between the River Elbe and Brest inclusive. " Home-trade passenger ship" means every home-trade ship employed in carrying passengers.
Page 255 - Report as concerns him ; and every Person who makes, assists in making, or procures to be made any false Certificate or Report of the Service...
Page 262 - He must be able to calculate safety-valve pressures, and the strength of the boiler shfill, stays, and riveting. (e) He must be able to state the general proportions borne by the principal parts of the machinery to each other, and to calculate the direct stress, the torsional stress, and the bending stress in round bars, and the direct stress and the bending stress in rectangular bars with given loads.
Page 253 - shall include every ship employed in trading or going between some place or places in the United Kingdom and some place or places situate beyond the following limits ; that is to say, the coasts of the United Kingdom, the islands of Guernsey, Jersey, Sark, Alderney, and Man, and the continent of Europe between the river Elbe and Brest inclusive. " Home-trade ship
Page 257 - Consul of the country to which the ship in which the candidate served belonged, or by some other recognised official authority of that country, or by the testimony of some credible person on the spot having personal knowledge of the facts required to be established. Upon application to the...
Page 254 - ... employs a person as an officer, in contravention of this section, without ascertaining that the person so serving is duly certificated, that person shall be liable for each offence to a fine not exceeding fifty pounds...
Page 253 - If the ship is a foreign-going steamship of one hundred nominal horse-power or upwards, with at least two engineers, one of whom shall be a first-class and the other a first-class or secondclass engineer duly certificated...
Page 278 - In the event of any candidate being discovered copying from another, or affording any assistance or giving any information to another, or communicating in any way with another, during the time of examination, he will subject himself to a failure and its consequences.
Page 255 - ... to be imprisoned for a term not exceeding six months, with or without hard labour.
Page 264 - The extra examinations are held once in every three months, and at ports where examinations of engineers are ordinarily conducted. The examination extends over several days. According to present arrangements these examinations will begin on the second Tuesday in January, April, July, and October in each year. 31. Notice Required. — Notice must be given by the candidate at least one week before the day on which the examination begins, and these notices must be immediately reported by the examiners...

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