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2ND MATE EXAM ORAL QUESTIONS AND ANSWERS - LATEST QUESTIONS | Page 91
Q. 901) What is osc wrt iamsar manual ? what is the duties of osc ? what is mrcc , mcc , lut
X
OSC - On scene Coordinator
MRCC - Maritime Rescue Coordination Center.
MCC - Mission coordination center
LUT - Local User Terminal
about duties of OSC refer IAMSAR vol3
Q. 902) Fire in cargo hold ? you have to release co2 what pecautions u'll take
XIn case of personnel in working in the cargo hold, pls evacuate immediately after hearing the audible alarm n report to the designated mustr station.
close the ventialtion to the hold
close the hatches
release the CO2
Q. 903) What is phasing and ranging wrt echo sounder
X
Phasing:
Phasing is a method used in echo sounder to determine depth of the sea bottom. In this method the speed of the stylus is kept constant and the range scale is changed from 0-100 mtrs , 100-200 mtrs , 200-300 mtrs and so on. It is important that the echo sounder range changed and regularly checked.
Ranging:
Ranging is technique were the scale of the echo sounder is kept constant and the stylus is varied according to the depth scale chose. E.g.- 0-100, 0-200, 0-300 mtrs ans so on
PHASING:phasing is a method in echo sounder to determine the depth of water where the speed of stylus changed but scale is constant
Q. 904) What is pssa ? example
X
Particularly Sensitive Sea Area
(PSSA) is an area that needs
special protection through action
by IMO because of its
significance for recognized
ecological or socio-economic or
scientific reasons and which may
be vulnerable to damage by
international maritime activities.
The criteria for the identification
of particularly sensitive sea areas
and the criteria for the
designation of special areas are
not mutually exclusive. In many
cases a Particularly Sensitive Sea
Area may be identified within a
Special Area and vice versa.
Q. 905) What is barograph , barogram ? what does curved lines in barogram indicate ? what enteries are to be made on barogram ?
X
barograph is a instrument which record the change in atm press. onboard ship.
for more detail read met book.
barograph is aneroid berometerwhich measuresd contonuous record of pressure on a paper chart,the barograph has continuous trace on the chart called barogram. the curved line indicate utc are two hor interval.after completing barogram entries regarding lat,long,dates,comparison with barometer are to be filled and it is kept along with the weather log books
Q. 906) What is coal loading precautions ? how will you ventilate
XVentilation for coal cargo is done using the surface ventilation procedure....
Precaution for loading coal refer erol fernandes cargo work pg no.47
Q. 907) Fog signal for vessel aground , if more than 100 mts in length
X
three seperate and distinct strokes ring the bell rapidly for about 5seconds in fore part of the vsl and three seperate and distinct strokes and gong shall be sounded rapidly for about 5second in the after part of the vsl and three seperate and distinct strokes.
Q. 908) Marpol annex 6 , what is seca ? example of seca
Xexample of SECA are north sea,baltic sea,north american waters.
- X
0 and united nation carribean region
Q. 909) Bilge alarm requirements for bulk carriers as per SOLAS ch12 ?
Xaudible and visual alarm,one when the water level above the inner bottom in any hold reaches height of 0.5 m and another at a height not less than 15% of the depth of hold but not more than 2 m.
