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2ND MATE EXAM ORAL QUESTIONS AND ANSWERS - LATEST QUESTIONS | Page 95
Q. 941) What s dead weight
X
Deadweight tonnage (often
abbreviated as DWT for
deadweight tonnes) is the
displacement at any loaded
condition minus the lightship
weight. It includes the crew,
passengers, cargo, fuel, water,
and stores. Like Displacement, it
is often expressed in long tons or
in metric tons.
total mass of cargo,fuel,f/w,etc that a ship can carry at the time she is floating in SW with her summer loadline at the water surface.
When a ship is delivered from the yard (with machinery, appurtenances, fixtures) its weight without stores, fuel, crew, etc is called "Light ship". Anything weight which is not a part of Light Ship is called deadweight. Eg Crew, fuel, stores, ballast, cargo, lubes etc.
Q. 942) Requirement of lifebuoy as per LSA code
X have an outer diameter of not more than 800 mm and an inner diameter of not less than
400 mm;
be constructed of inherently buoyant material; it shall not depend upon rushes, cork
shavings or granulated cork, any other loose granulated material or any air compartment
which depends on inflation for buoyancy;
be capable of supporting not less than 14.5 kg of iron in fresh water for a period of 24
hours;
have a mass of not less than 2.5 kg;
not sustain burning or continue melting after being totally enveloped in a fire for a period
of 2 seconds;
be constructed to withstand a drop into the water from the height at which it is stowed above the waterline in the lightest
seagoing condition or 30 m, whichever is the greater, without impairing either its operating capability or that of its attached
components;
if it is intended to operate the quick release arrangement provided for the self-activated smoke signals and self-igniting lights,
have a mass sufficient to operate the quick release arrangement;
be fitted with a grabline not less than 9.5 mm in diameter and not less than 4 times the outside diameter of the body of the
buoy in length. The grabline shall be secured at four equidistant points around the circumference of the buoy to form four
equal loops.
characteristics of lifebuoy is given in lsa code whereas its req(how many to carry) is given in solas capter 3
Characteristics are outer dia not more tahn 800 mm inner not less than 400mm,capable of supporting 14.5 kg of iron in fresh water for 24 hrs and have a mass not less than 2.5 kg.
CARRIAGE requirement is 8,10,12and 14 for 200m respectively for cargo ships and 8,12,18,24 and 30 for unser 60,60-120,120-180,180-240 and over 240 respectively.
out of the total no. of lifebuoy on any ship halh must be fitted with light out of which 2 with smoke signal and one on each side with line................thanu
Q. 943) Application of ais with coastal vessel with SOLAS regulation no.
Xin international regulation all ships not engaged in international voyages to have ais fitted before 1st july 2008
BUT
AS PER DG in isps
dated oct 2004
not required for coastal vsls less than 500grt
brendon & kamlesh
The regulation requires AIS to be fitted aboard all ships of 300 gross tonnage and upwards engaged on international voyages, cargo ships of 500 gross tonnage and upwards not engaged on international voyages and all passenger ships irrespective of size. The requirement became effective for all ships by 31 December 2004.
Q. 944) Is isps applicable to to coastal vessel , from which regulation no.
XThe regulations and the ISPS Code are applicable to all passenger ships, to cargo
ships, including high-speed craft, of 500 gt or more and to mobile offshore drilling
units
Q. 945) Cardinal marks
X
North- continuous flashing , south- 6 flashing, east- 3 flashings and west- 9 flashings
- X
0 south 6+1long flash
Q. 946) Boiling points of propane , methane , butane , ammonia
X
Q. 947) Discharge crieteria for annex 2 cargoes.
X
Q. 949) Make an hru arrangement.make a liferaft and connect it to the hru
X1,Raft connected to HRU ensuring that the painter does not by pass the weak link, or the raft will not break loose from the ship
2,HRU release lashing's depth approx 1.5-4 mtrs
3,Raft inflates weak link breaks
