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LSA, FFA & Safety Question

This document discusses various safety procedures and equipment related to fire safety and personnel safety on ships. It covers topics like firefighting equipment and procedures for different types of fires, safety of gas cylinders and fuel storage, emergency equipment like EPIRBs and SARTs, oil spill response plans, lifeboat lowering procedures, and enclosure entry safety checks.

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Tanawat Songkroa
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0% found this document useful (0 votes)
426 views16 pages

LSA, FFA & Safety Question

This document discusses various safety procedures and equipment related to fire safety and personnel safety on ships. It covers topics like firefighting equipment and procedures for different types of fires, safety of gas cylinders and fuel storage, emergency equipment like EPIRBs and SARTs, oil spill response plans, lifeboat lowering procedures, and enclosure entry safety checks.

Uploaded by

Tanawat Songkroa
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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LSA, FFA and SAFETY of PERSONNEL and PROCEDURES

1. Fire main line fittings


relief valve, drain valves, isolating valve, international shore connection, hydrants

2. Purifier room fire


hyper mist system, portable foam extinguisher

3. Paint locker fire


isolate, fixed fire fighting if available, boundary cooling.

4. CO2 flooding procedure

5. Uptake fires
continue circulating water to facilitate cooling, stop engines, stop aux blower, cover T/C filter, do not
use soot blower, rig fire hose, tackle fire with jet cooling not spray. in case of large fire, tubes melt,
hydrogen fire.

6. O2 and C2H2 storage and operation safety


handled with care, properly secured and kept tight, caps on bottles to be in place when not in use.
Valves to be closed when cyl empty. More than 2 bottles, O2 and C2H2 in separate rooms well
ventilated. Compartment not subject to high temp. no electrical fittings or spark causing elements,
permanent no smoking or no naked lights board. Empty bottles to be segregated and tagged.
Chemical formula name and symbol to be marked on bottles. Colour coded.

7. EPIRB and SART


emergency position indicating radio beacon- 406mhz distres ssignal to polar satellite, float free
arrangement, auto activated, manual activation and deactivation psbl, means of indication of
operation, can be dropped from 20m, tested without using satellite system, orange colour, light
activated by darkness, 48hrs cap, operating instructions and expiry date on cover, EPIRB-SATELITE-
LUT local user terminal- GCC ground control centre-MCCmission control centre- RCC rescue co
ordination centre, INMARSAT- 75 deg N to 75 deg S. COSPAS SARSAT other regions.search and
rescue transponder- 9ghz X band Radar equally spaced dots, easily activated,manual activation and
deactivation, also auto act, standby cond indication drop from 20m, orange colour, 96 hrs stndby, 8
hrs operation.

8. SOPEP
ship board oil pollution emergency plan. For evry ship >400grt, oil
tanker>150grt, provides info to master and officers on steps to be taken in the event of
pollution incident or in the likelihood of same. Instructions from owners to master.
Advise master to react in case of oil spill or at least minimize pollution. Operational
defects, oil spill scenario, communication info, person to be contacted, phone number and address.
Disposal measures, anit pollution measures and materials. Info in SOPEP, particulars in ship, general
arrangement plan, capacity plan, mid ship section, pumping arrangement, shell expansion plan. Kept
in masters office/ bridge
.
9. LB brake/lowering procedure
centrifugal brake, dead mans handle, roller ratchet. Lowering pro- muster, one person enters and
passes toggle painter, check all life lines and falls are clear. Put drain plugs in place. Make fast painter
on strong point. Remove fwd and aft gripes, stand by for passing bowsing tackle and tricing pendant.
Remove harbor safety pin. One person lifts dead man handle and starts lowering to embarkation deck.
Pull tricing pendant to bring boat alongside, pass bowsing tackles. Remove tricing pendant.

10. Deck foam system?

11. Where isolation valve given in fire main?


Ouside engine room, generally near the point where fire line comes out of blkhd.

12. What is hydrogen fire?

13. What are the indications of EGB fire?


flue gas temp high, sparks from funnel, high steam generation rate.

14. DCP Fire extinguisher?

15. Routine checks on FFA

16. Flammability diagram

17. In your kitchen what fuel is used?


propane and butane

18. Why is the flame not traveling to the cylinder?


Flame arrestors in the regulator

19. LEL, UEL


LEL- Conc by volume of combustible in air is too lean to support explosion. UEL- Conc too high to
support explosion.

20. Flammability range?


The Flammable Range (Explosive Range) is the range of a concentration of a gas or vapor that will
burn (or explode) if an ignition source is introduced.

21. Between a log and a small stick which burns faster?


22. When you blow on a matchstick the fire goes out. In a stove! or a black smith’s hearth
blowing air increases the fire. Why?

23. Why is a Relief Valve fitted on fire main?


When ship is in dry dock, fire main is supplied from shore. Shore pr may be more than design
pressure. To avoid damage relief valves are fitted.

24. International shore connection Size? Where fitted? Which part is standard?
178 mmOD, 132 mm PCD, 64 mm ID, 19 mm slots for bolts, thickness 14.5 mm. both sides of ship on
the fire main line on deck. Flange is of standard size.

25. Enclosed entry procedure

26. ELSA. EEBD


Emergency Life Saving Apparatus, Emergency Escape Breathing Device- 10 mins.

27. Fire main line isolating valves.


Isolate E/R and Deck fire lines in event of fire in either spaces.

28. How does a flame screen work? What is the difference between a flame screen and
flame arrestor?
Flame arrestor does quenching of flame and absorption of heat by use ceramic or metallic sheets, thus
stopping flame travel. Flame screen is a gauze, which spilts fire and thus cools down.

29. What is a flashback arrestor?


Is a flame arrestor fitted in gas cutting and welding torch to avoid flame from burning back to the
bottles and causing explosions.

30. Why should Acetylene bottles be used in the upright position’?

31. What is the correct position for using a portable foam extinguisher?

32. Why is a sand box provided on the boiler flat?


Starving of oxygen(smothering) and to avoid spillage of flammable oil.

33. What are the gas-free conditions for man entry’?

34. Should the ventilation blower be running in supply mode or exhaust mode when the
Oxygen check is made?

35. In a tanker, why are bonding straps used on cargo pipelines?


To avoid sparks due to static electricity.
36. What is the rating of the electrical hand glove?
Class 00 - Maximum use voltage of500 volts AC/proof tested to 2500 volts AC,Class 0 - Maximum use
voltage of 1,000volts AC/proof tested to 5,000 volts AC,Class 1 - Maximum use voltage of 7,500 volts

AC/proof tested to 10,000 volts AC,Class 2 - Maximum use voltage of 17,000 volts
AC/proof tested to 20,000 volts AC,Class 3 - Maximum use voltage of 26,500 volts
AC/proof tested to 30,000 volts AC,Class 4 - Maximum use voltage of 36,000 volts
AC/proof tested to 40,000 volts AC

37. What is the important first aid for an electrical shock victim?
Fluids, shock, CPR.

38. Is there any protection for a C02 cylinder in case of a fire in the C02 room itself’?

39. Is the C02 in the bottle in liquid conditions or gas?


liquid

40. How does the C02 alarm ring when the panel door is opened?
Spring loaded button release on CO2 cabinet door which makes contact for alarm circuit and breaks
contact for blowers in event of cabinet door opening.

41. Can engine room bilges be pumped out in special areas?


Yes except Antarctic region

42. What will be your action when you discover smoke in your cabin?

43. During your watch, if you get a under piston temperature high alarm, what will you do?
Inform C/E and bridge. Slow down. Procedure for scavenge fire.

44. During your night duty on a UMS vessel, there is a fire alarm for ECR. What will be your
action in case of
-- Purifier room fire
-- Running generator exhaust manifold on fire
-- Boiler front on fire
-- Bilges on fire

45. C02 and DCP difference


Co2 is clean, requires enclosed space, extinguishes by
smothering, no effect on electrical appliances, stops spread of fire, non corrosive, non
conductor of elec, no residues, no deterioration with age, easily available, toxic, harmful to human
beings.
46. Man overboard drill

47. Oil spill drill

48. Life raft. floatation


inflatable survival crafts, rubber coated material, even number of buoyancy tubes(2) independent of
each other. Each tube capable of supporting all
persons, include canopy of double thickness, means of collecting rain water, lamp on
in/outside activated by water 12 hrs, rrt on raft, water proof double floor, inflated by
bellows for insulation against cold seas, number of water pockets below floor, together with gas bottle
gives stability, can be dropped from 18 mtrs without damage, buoyant container, capable of
withstanding jumps from 4.5 mts, auto inflation by pulling painter attached to firing mech on bottle,
inflate in 1min @ 18-20 deg within 3 min in -30 deg c. nitrogen in co2 bottles as antifreeze. Non
flammable and non toxic co2. Righting straps, life raft righted by one person. One or two openings
fitted with ladder, not more than 185 kg with container, 6-25 person capacity. Min 30 days afloat,

49. Ships Whistle? How does it work? Where is it fitted?


Pneumatic/ Electric. Signaling,for use in fog condtions

50. L boat tricing pendant, Bowsing in tackles and Purpose?


Tricing pendant to take load of boat till embarkation deck. Bowsing tackles to make boat alongside on
embarkation deck.

51. What is HRU? How does it work? Where is if fitted?


Hydrostatic release unit. Works by moving a knife edge fitted to bellow which operate at minimum
depth of 4.5 mts, when ship submerges, drains to prevent accumulation of water, permanently
marked with type and serial number, documentation, identification plate, manufacturer, type and
serial number, should not be painted

52. What is a life buoy? Where it is fitted?


Cabable of floating in FW for 24 hrs, capable of supporting 14.5 kg iron, inner dia less than 400 mm,
od less than 800 mm. constructed of buoyant material, highly visible colour, weight more than 2.5 kg
less than 6kg, grab line 9.5 m, length 4*od. Grabs secured at four equidistant points to form lops not
less than 60 cm each. Drop test from highest stowage poit or 30m, name of ship and port of registry
on life buoy. MOB marker with light 2 cd, 50 flashes per minute, 2 hr, smoke 15 mins self activating
and orange smoke signal, quick release from bridge

53. What is flash point, fire point and auto ignition temp?

54. What are the tests done before enclosed space entry?

55. What spaces are defined as such?


limited or restricted means of entry or exit, large enough for a person to enter to perform tasks, not
designed or configured for continuous occupancy

56. What is the acceptable HC level for man entry’?


<1%

57. What is TVL? How many type are there?

58.State Safety feature (device) in Soda Acid extinguisher.


Pressure relief holes on neck, safety pins

59. Describe operation of 136 litre foam (chemical) extinguisher.


Wheel mounted, 135 l foam solution near boiler, open Co2 valve, then open foam valve and direct to
fire. Co2 outside foam bottle.

60. State Working Pressure and Testing Pressure of CO2 Portable extinguisher.
60-65 kg/cm2, pressure testing 250 kg/cm2

61. What is the Periodic maintenance of CO2 total flooding system.


Greasing of wire and all movable parts, blowing through Co2 lines by air every 3 mnths, wire sto be
checked for tightness, toggles and pulleys greased, all bottles secured, Co2 bottles weighed
periodically, radio isotope used to check liquid level

62. State Safety features on fire main line

63. Describe Safety features on Engine Room Overhead Crane.

64. Describe CO2 flooding system for Engine Room and Cargo Hold.

65. Where is Breathing Apparatus stored?

66. List the equipment stored in the ship’s fire locker.

67. State purpose of Isolating Valve in fire line.

68. State type of portable fire extinguishers available on board ships.


DCP, foam, Co2

69. Describe precautions to be taken before welding.

70. How chemicals are stored on vessels?


Properly lashed and secured, chemical suit and gloves, MSDs sheets, not to be stored inside engine
room.
71. What precautions are taken for storing paints on board?
Separate paint locker, well ventilated, smoke detectors, doors to be kept closed. Properly lashed and
secured on trays.
72. Give details of Soda Acid extinguisher, charging vent hole diameter and position?

73. How you will fight oil fire in Engine Room by only jet nozzle’?

74. What action you will take if Engine room is flooding?

75. How will you fight fire on Main Switchboard?

76. ‘What type of fire detectors are provided in Engine Room?


Flame detector, smoke detector, heat detector

77. If you are the only Senior Engineer present on board ship in a port and night
watchkeeping engineer reports to you that the Engine Room is getting flooded. What action
will you take? Inform port authority. Carry out same procedure as in sea.

78. How will you operate a 45 litre extinguisher’? What is the ratio and quantity of foam
formed?

79. How do you distinguish between Chemical foam and Soda Acid Extinguisher if their
covers are removed?
nozzle

80. How is a DCP Extinguisher operated? Can this be used on oil fire and how?
Yes it can be used for A B C class of fires.

81. What is double seated valve in Soda Acid Extinguisher and explain?

82. What is the bursting pressure of Soda Acid Extinguisher?


17bar

83. If Solution level in Soda Acid Extinguisher is high/low, what would be the effect?
Is more pressure wud be more than 17 bar, bursting, if less then less pressure of discharge is less.

84. If Bilge level is rising in Engine Room, what action will you take?

85. What are the items to be checked in CO2 Room. At what temperature is CO2 stored
cylinders and why? What will be effect of temperature increase?
Less than 55 deg c

86. Define critical temperature and what is the importance in storage of CO2 in
cylinders.
The critical temperature of a substance is the temperature at and above which vapor of the
substance cannot be liquefied, no matter how much pressure is applied. Tc of Co2 is 31.1 deg C.

87. While taking bunkers if oil suddenly spill on deck, what action will you take?
Stop bunkering immediately. Inform bridge, oil spill procedures(Follow SOPEP) and try to contain spill.
88. What will you do if CO2 alarm is sounded in your watch in Engine Room?
Life jacket and immersion suit, muster station

89. What will you do if Purifier Room catches fire?

90. How will you extinguish oil fire with water?

91. State contents of the bottle in Self Contained Breathing Apparatus? What is the
capacity of the bottle and its weight?

92. What types of detector are used in Engine Room and Cargo holds?
ERflame/smoke/heat, bridge based smoke detection for cargo holds

93. What are the special fire fighting arrangements on the deck of an LPG carrier?
Deck mist fire fighting, dry powder for cargo holds, reliquification plants. IG in hold spaces

94. What is the purpose of dampers, detuners and moment compensators’?


reduce vibrations and out of balance forces on the engine

95. State procedure for lowering a life boat.

96. State safeties provided in air vents to prevent ingress of water.


Goose neck, ball valve

97. Which equipment machinery are connected to emergency supply?


One steering gear motor, sprinkler pump, emergency bilge pump, nav lights, do supply pump, one
blower, emergency air comp, emg fire pump, one of the main fire pumps, emergency lighting, nav
equipments, radio, internal comm., fire detection alarm and control systems,manually operated call
points, water tight doors.

98. Briefly explain Marpol regulations.

99. How do you recharge a fire extinguisher?

101. How will you avoid crankcase explosion?


| 102. What types of portable fire extinguishers are found in Engine Room? Procedure of
Working?

103. What is a smoke detector and its principle of working?


Light scattering type, light obscuration type

104. How do you use 136 ltrs. Foam extinguisher?

105. State chemical reaction which take place when using Soda Acid and Foam Extinguisher
(Portable type)
H2SO4 + NaHCO3 = Na2SO4 +CO2+ H2O

106 What is safety procedure provided on foam extinguisher?


Pressure relief holes on neck of threaded portion

107. What is the duration of discharge of a DCP 4.5 Kg. Extinguisher’?


20 to 30 sec

108. Describe CO2 flooding system for Engine room.

109. Describe CO2 detection flooding system for Cargo Holds?

110. If there is a fire in a cargo hold, how will you come to know?
Smoke detector on wheel house / bridge

111. What is safety provided on the fire line on deck?

112. How is CO2 flooding system of ER tested?

113. State quantity of AL2 (SO4)3 and NAHCO3 in grams in a chemical foam
extinguisher and its operating pressure’?
50% each. 8.25 l water, 0.75 l AFFF, 120 gm Co2
114. What is the purpose of drip trays?
Contain oil dripping from any joints, pumps etc

115. How do you maintain general cleanliness in Engine room?

116. Precautions to be taken before welding?

117. MARPOL Annexe, What is meant by MARPOL?

118. Pyrotechniques in a ship and lifeboat?


Ship- 12 rocket parachutes, Lifeboat- 6 hand flares, 4 rocket parachute, 2 smoke signals,
119. CO2 system, Saturdays routine checks.

120. ISM code.

121. CO2 flooding procedure.

122. Bilge pumping out.

123. Operation of OWS, pumping out and does all ships have OWS.
Oil tanker above 150grt, cargo ships above 400grt, not applicable to near coastal vsl, war ships, hover
crafts, submarines. Hsc.

124. Garbage disposal, critical areas.

125. Life buoy specification.

126. Sketch and explain DCP portable extinguisher.

127. Actions taken if chemical spill on board.

128. Precaution in handling chemical, chemical code.

129. How surveyor know that garbage disposal regulations are followed
onboard?
Segregation of garbage, separate covered lids and storage drums, properly marked capacity colour
coding, garbage station, entries in GRB.

130. A/E safeties and how to check?

131. Passenger ship— class A, class B.


ship which carries more than 12 passengers.
o Class A - passenger ships engaged on domestic voyages other than voyages covered by Classes B,
C and D
o Class B - a passenger ship engaged on domestic voyages in the course of which it is at no time
more than 20 miles from the line of the coast
o Class C - a passenger ship engaged on domestic voyages in sea areas where the probability of
exceeding 2.5 metres significant wave height is less than 10 per cent over a one-year period for all-
year round operation; or operating over a specific restricted period (eg summer) in the course of
which it is at no time more than 15 miles from a place of refuge, nor more than 5 miles from the line
of the coast
o Class D - a passenger ship engaged on domestic voyages in sea areas
where the probability of exceeding 1.5 metres significant wave height is less than 10 per cent over a
one-year period for all-year round operation; or operating over a specific restricted period (eg
summer) in the course of which it is at no time more than 15 miles from a place of refuge, nor more
than 5 miles from the line of the coast

132. What is SOLAS, how many chapters and what are they?

133. What is the GMDSS, SART, EPIRB and how does it work?
Global Maritime Distress and Safety System- all passenger ships and cargo ships more than 500grt,
need at least 3 portabl 2 way vhf radio, radar transponder on each side, carried to survival craft,

134. Marpol-Annex VI
Nox for all engines more than 130kw, Nox technical
code(technical code on control of emission of Nox from marine engines) does not apply to life boat and
emg gen. total weighted emission of nox 17gm/kwh n<130 rpm, 130-2000 rpm 45* n^-0.2, >2000,
9.8 gm/kwh

135. What is ISM and used for what? Which certificates are given in ISM?

136. How to operate Mechanical foam system?

137. How to check emergency steering?

138. Bilge discharge criteria for cargo ship/Tankers.

139. SOLAS— chapter IX, what is it?

140. SOLAS— regulation for steering.

141. Amendment to regulation-2- chapter-2?

142. Requirement of Oil Record Book.

143. CO2 system drawing, statutory requirements.

144. Bulk carrier requirement.

145. 1. G. System— safety trips.


Scrubber high level/ low level, deck seal high/ low level, high O2 content, high blower casing
temperature, TRIPS- high casing temp, low or no flow scrubber water, low or no flow deck seal water,
O2 content 8% trip

146. International signal code for distress.


SOS …_ _ _... Mayday, Pan Pan
147. International shore connection.

148. Deck seal (IG)


prevent back flow of gases from tanks to ER. Acts as NRV. Dry, wet,semi wet.

149. Sealing between E/R and pumproom shaft partition bulkhead.

150. Annex- VI (applicable to boiler)


Sox regulation applies to boiler too.

151. Recharging DCP— extinguisher.

152. Checks before entering battery room.


Ventilation, no naked lights, no smomig, intrinsically safe tools and multimeter, gas detection

153. In sewage, what is meant by zero discharge and flow through?

154. Types of foam.

155. General fire pump regulations.

156. Steering gear regulations.

157. Action when telemotor fails.

158. Life boat electric switch testing.

159. Bunker overflow, immediate action.


Stop bunkering, manifold valve shut, sounding of all tanks, if required internal tank transfer.

160. Correction of NOx, SOx.

161. Precautions during welding.

162. Difference between rescue and lifeboat.

163. CO2 system. precautions before and after entering.

164. Checks in battery room, overhead crane?

165. CO2 manifold safety.


166. Emergency fire pump regulation.
Not less than 25 m3 per hr. no direct acess between m/c space and fire pump, fire in m/c space
should nt affect operation of emg fire pump. Ventilation arrangement, 2 jets of water 2.8 bar for cargo
ship and 3.2 bar for passenger ships, not less than 40% of main fire pump, capable of starting at 0
deg c wether motor or engine driven. Npsh 4.5 m.

167. Latest Annex of MARPOL.

168. How to test fuel oil sulphur content on board?

169. Enclosed space entry.

170. Galley fire, fire fighting procedure.


Fixed co2 bottle in galley, fire blankets.

171. Foam system— checks.

172. ISM, ISPS.

173. Types of detectors, principle, drawing.

174. Testing of smoke detector.


Smoke spray near detectors,

175. Emergency Bilge suction v/v testing.

176. Ship in port, can oil discharged.


No

177. CO2 maintenance


.
178. Life boat safeties, life jacket safeties.
LJ- high visibility colour, non flammable material, donned in 1 min withot help, rrt, plastic whistle
approved, lights, intensity not more than 0.75 cd. 50 flashes pr min, 2hrs, towing loop, turning over
body of wearer, allow a person to swim. LB- self righting, self contained air support system,
fireprotected, water tight openings, water spray system with self priming motor driven pump
connected to engine. Engine exhaust completely isolated. Fuel for 24 hrs. food, water.

179. Life boat lowering procedure.

180. Rescue boat requirement.


Stowage- continuous readiness for launching in 5 mins, position suitable for launching and recovery,
should not interfere with life boat operations. Capable of being launched with ship making headway of
5 knots, recovery time not more than 5 mins, safe and efficient handling of strectcher case, at least
six person capacity. If one of the life boats is a rescue boat launching and lowering as required by life
boat.

181. Checking of chain block.


125% SWL load test, chain links, elongation 1mm per meter max.

182. IG use on tanker, scrubber, PV valve setting when it lifts.


Inerting of cargo tanks. Scrubber- cooling and washing of carbon. PV valve setting 1400 mm water
head @ prside and 250 mm water head @ vacuum side.

183. IG application on which vessel.

184. What is volatile cargo.

185. Ballast water management.

186. SOPEP contingency plan.

187. Ship security officer.

188. Portable fire extinguisher, inspections.

189. How to test whistle of SCABA.


Open main regulator valve on bottle. Check pr as shown in the gauge. Close main regulator valve and
continue breathing through facemask. When pressure in the gauge falls below 20% whistle must
sound.

190. Regulation regarding SCABA.

191. F 0. tank entry checklist.

192. What are the causes of black smoke from exhaust?


Improper fuel combustion,dripping injector, scavenge ports chocked, exhaust valve leakage, after
burning, boiler fuel air ratio incorrect, improper fuel preparation, EGB fire.

193. What is the reason of oil content monitor of Bilge separator giving false alarm?

194. What is the principle of Bilge separator’? What is the basic difference in a purifier and
a bilge separator?
Oil sticking or a layer of oil deposited over time on the 15 ppm oil monitor sensor.
195. Describe an oil mist detector.
Sampling tubes, fan , rotator arm, measuring tube, sampling tube, lamp source, mirrors, photo cells.

196. How do you pump out bilges and operate an oily water separator?

197. List precaution taken before ballasting, deballasting and pumping out bilge.

198. What is humidifier and dehumidifier purpose, working and requirements?


increase or decrease humidity of air supplied through AC system.dehumidifying by means of heating
saturated air. Humidifying by injection of steam or water spray. 40-60% humidity, comfort zone
199. Precaution and procedure adopted during Bunkering.

200. How do you start an OWS?

201. Why trays are provided below sounding pipes and vent on the deck?
To contain oil in case of oil overflowing from vents or sounding pipes due to over pressurization or
tank over filling.

202. Why there are separate room for pumps in Tankers?

203. What is meant by Oil spill contingency plan?

204. What do you mean by MARPOL?


International convention for prevention of Marine pollution from ships.

205. Principles and operations of Sewage Plant?

206. What is an incinerator? Principle of operation?


M/C for burning waste oil sludge rags garbage and sewage in a furnace.

207. Emergency action you will take in case of an Oil spill?

208. Bunker precaution you will take?

209. IG systems sketch. PV breaker diagram, operation and settings. Mast riser function
and what is closed recirculation operation’? (annex 6 marpol regulates discharge of VOCs
form tankers).

210.Fixed fire system installation. Its standard and maintenance done on the system.

211. How to test emergency bilge suction?

212. What to do if the bilge pump does not take suction from a particular bilge
well?
Check for any foreign materials lodged in the filter or valve, clean filter, check for air ingress in that
bilge line. Air ingress can be from valve spindle or packing, cracks or holes in the pipe line. Pipe
chocked.

213. Main engine starting system with all interlocks.

214. During manuovering the bursting disc of a compressor blows. What action will you
take?

216. How do you charge the lube oil sump of reefer compressor?

217. Draw the sketch showing low suction pressure trip on the reefer compressor.

218. Switch board safeties.

219. Routine on emergency fire pump.

220. Draw an oil mist detector and routine done on them.

221.Draw an oxygen analyzer and how does it work?

222. What are the safeties fitted on air compressors?


Bursting disc/ relief valve on inter/after coolers, relief valve in line, unloader, motor overload trip, auto
drains,

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