function 3

7/25/2019 function 3

1/21

Home safety oral..... KUNDRA safety oral..... KUNDRA

safety oral..... KUNDRA

1 Description of camber, sheer, tumble home, Rise of oor by

sketch

Camber:-The transverse curvature of the deck from the centerline

down to the sides. This camber is used on eposed deck to drive

water to the sides of the ship.!heer:- The curvature of the deck in a fore " aft directions, risin#

from midship to the maimum at the ends. $t makes a ship more

seaworthy by raisin# the deck at the fore " after ends further

from the water and by reducin# the volume of water comin# on

the deck.

Tumble %ome:- $n some ships, the midship side shell in the re#ion

of the upper deck is curved sli#htly towards the centre line, thus

reducin# the width of the upper deck " decks above.

Rise of &loor:- The bottom shell of ship is sometimes sloped up

from the keel to the bil#e to facilitate draina#e. The rise of oor

is very small.

1 'hat is freeboard and reserve buoyancy (

&reeboard:-$t is the distance from the waterline to the top of the

deck platin# at the side of the deck amidships.

Reserve )uoyancy:- $t is the potential buoyancy of a ship and

depends upon the intact, waterti#ht volume above the waterline.

'hen a mass is added to ship, or buoyancy is lost due to bil#in#,

the reserve buoyancy is converted into buoyancy by increasin#the drau#ht. $f the loss in bupyancy eceeds the reserve

buoyancy the *+ will sink.

1 why tankers have less freeboard

The openin#s in the tankers are small than of other ship " also

the permeability is more.

1 what do u mean by stability of ship. %ow a stable ship

returns to upri#ht posn if heeled by eternal force.

!T)$$T /& !%$0: The tendency of ship to come back to its

upri#ht position when healed by eternal force is de1ned as thestability of the ship.
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2/21

'hen a ship is healed the centre of buoyancy shifts, this forms a

ri#htin# lever . thus the wt. of the ship

1 what is tender and sti2 ship.

Tender !hip:- The ship with a small 3etacentric hei#ht has a smallri#htin# lever at any an#le " will roll easily is said to be tender

ship. $n tender ship, $n it the centre of #ravity lies below the

transverse metacentre. The 43 is more than 45. " these kind of

ship are more stable.

!ti2 !hip:- The ship with a lar#e 3etacentric hei#ht has a lar#e

ri#htin# lever at any an#le " has considerable resistance to

rollin#. sti2 ship is very uncomfortable. $n it the Centre of

4ravity lies above the transverse metacentre.

6 7. What is free surface eect. How knowlede of free surface eectwill !e useful. How it is reduced constructionally.

&ree !urface 82ect:- 'hen a tank of li9uid is partially 1lled "

the mass of li9uid is moved. This movement a2ects the

3etacentric hei#ht. This is called free surface e2ect.

$f free surface e2ects becomes more, then ship may Capsie.

1 Collision bulkhead purpose and location.

0urpose:- voids oodin# of ship in case of dama#e to bows.

ocation

ocation is such that it is not so much forward as to #et

dama#ed on impact , ;either it should be too far aft so that

compartment ooded forward causes etensive trim by

head. s a rule located at minimum distance to #et

maimum space for car#o.

3inimum at 6+


3/21

c. on#itudinal )ulkhead

d. Transverse )ulkhead.

e. 'aterti#ht )ulkhead

f. ;on-'aterti#ht )ulkhead

#. &ire Class )ulkheadh. &ire Class ) )ulkhead

i. &ire Class C )ulkhead

B. Collision )ulkhead.

k. insulated bulkhead

Corru#ated )ulkhead:-

1 3ethods of reducin# rollin#. !ketch of attachment of bil#e

keel. 'hat ensures ship side will not be dama#ed if bil#e keel

su2ers a dama#e.*arious 3ethods of Reducin# Rollin# are:-

a. &in stabliser

b. )il#e keel

6=. %ow much len#th bil#e keel etends to.

$t is half of the len#th of the ship. !tartin# from midship to fore "

aft e9ually distanced.

66. 3id ship section of bulk carrier and tanker.

6


4/21

$n case of /il cooled !tern tube, the rubber seals 1tted with

sprin#s are used.

6. what is block coeGcient. $f we say that block coeGcient of

one ship is =.H and =ther =.H?. what does it mean.)lock CoeGcient:- $t is the ratio of volume of displacement to the

product of the len#th, breadth " drau#ht.

Cb I *olume of displacement + J ) dK

'hen )lock coef. $f more, it means *olume of displacement is

more.

6@. Re#ulations for pumpin# out 8R bil#es in !pecial areas and

outside special areas.

0umpin# out 8R )il#es outside special area:

s per 3arpol nne $, Re#ulation 6?.ny dischar#e into the sea of oily or oily mitures from ships of

E== 4RT " above shall be prohibited ecept when all the followin#

conditions are satis1ed:-

6. The ship should be proceedin# enroute from 0oint to point ).


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. )lack sea

E. Red !ea

?. 4ulf area

7. 4ulf of den area

. ntarctic area.@. ;orth 'est 8uropean 'aters

H. /man area of the rabian sea.


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7/21

$!0! Code: !/! Chapter 66-< !pecial 3easures to enhance

maritime security.


8/21


9/21

1 The dischar#e pipin# " noles should be tested to verify

that they are not blocked. The test should be performed by

isolatin# the dischar#e pipin# from the system " owin# dry

air or nitro#en from test cylinder or throu#h any other

suitable means.1 The hydrostatic test of all the cylinders should be done once

in 6= years atleast.

1 The alarm to be tested.

1 The C/< ines should be blown throu#h with service air.

. 'hy 1re line 1tted with relief valve and drain valve

Relief valve:- Relief valve is provided if pumps are capable of

developin# the pressure eceedin# the desi#n pressure of water

service pipes, hydrants " hoses. $t assists to avoid any

overpressure to develop in any part of the 1re main.The 1re line is 1tted with relief valve to prevent the dama#e to

pipe in case , the *+ is 1#htin# 1re with the help of shore while

in dry-dock.

Drain *alve :- Drain valve is 1tted to drain the 1re line when not

in use " also prevent the dama#e to pipe due to icin#, while *+ is

operatin# in !ub-ero temperature area.

@. 0urpose of isolatin# valve and where situated

n isolatin# valve is 1tted to separate the section of 1re mainwithin machinery space containin# main 1re pumps from the rest

of 1re main.

4enerally !ituated in the &ire station

H. Dischar#e procedure for Co < in 8r and Rentry.

E=. $nternational shore connection purpose and drawin#

s per !/! Chapter $$-


10/21

E6. 3aintenance of 1re hoses, couplin#, hydrants, noles

E


11/21

?


12/21

a. )allastin# or cleanin# of fuel oil tanks.

b. Dischar#e of dirty ballast or cleanin# water from fuel oil tanks.

c. Collection " disposal of oil residues, slud#e " bil#e oil.

d. )unkerin# of fuel or bulk lubricatin# oil.

e. ny failure of the /il &ilterin# 89uipment.f. Date " time of the operation.

77. p-v valve " p-v breaker settin#s

7. larms and trips of boiler and $4 system

larms in $4 !ystem

a. !crubber %i#h evel

b. !crubber low level

c. Deck seal %i#h level

d. Deck seal low level

e. %i#h /< Content f. %i#h blower casin# temp.

#. ow lube oil pressure alarm.

Trips in $4 !ystem

a. %i#h Casin# Temp. trip

b. ow lube oil pressure trip.

c. ow+ no ow scrubber water

d. ow + no ow deck seal water.

e. %i#h boiler pressure trip. f. ow boiler pressure trip.

larms in )oiler

a. ow water level larm

b. Too low water level alarm.

c. %i#h water level alarm

d. %i#h fuel oil temp. alarm.

e. ow fuel oil temp. alarm

f. ow boiler pressure alarm.

Trips in )oiler

a. ow ow level water trip

b. %i#h boiler pressure trip.

c. &lame failure

d. ow fuel oil pressure trip.

7H.88)D+!C) checks and operation.

Checks on !C)

a. 8amine all tubin# for any cracks, cuts or any dama#e.


13/21

b. 8amine inhalation+ ehalation valve and face mask is

clear, clean " dry.

c. /pen cylinder valve, listen for audible leaksJ with

positive pressure setsK

d. Check whether correct pressure is maintained insidethe cylinder.

e.To check actual cylinder air pressure " that there are no

leaks in the system. /pen the cylinder valve " read the pressure

re#istered on the #au#e, compare with full pressure marked on

the cylinder. Close the valve " observe the pressure #au#e.

0ressure should not drop more than 6= bars in 6 min.

f. Check correct operation of the audible warnin# whistle.

'hen @=> of /y#en is consumed whistle should blow

automatically tellin# wearer that only J 6= minsK of air is left

inside. #. Ti#htness of face mask " wearerPs face be checked for

e2ective ti#htness of the seal.

h. 0ressure #au#e to be checked for proper workin#.

i. Cylinder valve should operate freely.

7@. 'hy emer#ency bil#e suction is )8 3/AT%8D(

7H. '%T $! T%8 D$&& betn sti2eners of collision )F%D and

normal )F%D .

=.'hat safeties on deck on tanker(

6.$f 1re takes place in C/


14/21

?. 'hat is #iven in !/! Chapter E, ? " 66-6(

!/! Chapter E refers to Radio communication. $n this

chapter $nternational ;avte, !ea rea 6,


15/21

H. 'hat $4 !ystem Re9uirement. 'hy $4 !ystem not used on

ships which are less than !o content

, then 8haust 4as Cleanin# system be 1tted to reduce the total

emission of sulphur oides from ship, includin# both auiliary and

main propulsion en#ines to 7.= # !o + Fw-h or less.

@?. Di2erence between 3aBor ;on conformity " ;on-conformity(

@7. 'hat is free-surface e2ect(


16/21

@. Re#ulation re#ardin# air pollution(

3R0/ nne *$:- Re#ulation for the prevention of pollution

by air from ships.

Re#ulation 6


17/21

shoe plate is dat plate which is placed at the bottom of sterframe

it helps #ive the ship a streamline 1nish and also reduces eddies

formed

H6. di2rence between code " convention(

onvention - meetin# Jeample imo conventionK

code - a book which has recommendatory le#al mandate,

published after a convention.

eample imd# code, blu code

1 'hich Type of 0ump is used to Drain 'ater from Cahin

ocker(

Centrifu#al pump.

1 'hat $s the 'ei#ht of a C/< )ottel of &ied $nstallation!ystem.

1 'hat are the safety on 8n#ine room /verhead Crane.

1 /verload trip.

1 imit switch at fore " aft side.

1 imit switch port " starboard movement.

1 !witch button have non-metallic body.

1 8mer#ency stop.

11 %ow ou will $dentify in &ied C/< $nstallation !ystem that

'hich 0articular )ottel is eakin#.

1 %ow 'e 'ill Drain The 'ater " 3ud &rom Chain ocker.

1 'hat are the re#ulation re#ardin# use of ow 8pansion

&oam system on deck(

The ratio of low epansion foam system used on deck should not

have ratio more than 6:6


18/21

The 4ross Re#istered Tonna#e is found by addin# to the

Anderdeck Tonna#e, the tonna#e of all enclosed spaces between

the upper " the second deck.

1 8mer#ency 4enerator- ocation " services supplied.ocation:- !hould be on the uppermost continuous deck outside

from the en#ine room but not located at the forward collision

bulkhead.

!ervices !upplied:-

JaK &or a period of %rs at 8mer#ency li#htin# at every muster "

embarkation station.

JbK &or a period of 6@ hrs at:-

JiK $n all service " accommodation alleyways, stairways "

eits, personal lift cars " personnel lift trunks.

JiiK $n the machinery spaces " main #eneratin# stationsincludin# their control positions.

JiiiK $n all control stations, machinery control rooms, and at

each main " emer#ency switchboard.

JivK t all stowa#e positions.

JvK t the steerin# #ear.

JviK t the 1re pump " in all car#o pump rooms.

JviiK The navi#ational li#hts.

JviiiK *%& " 3& Radio installation.

JiK The ship earth radio station.JK t all internal communication e9uipment

JiK The 1re detection " 1re alarm system.

JiiK $ntermittent operation of the dayli#ht si#nallin# lamp "

all inte#ral si#nals that are re9uired in an emer#ency.

1 8mer. &ire pump-ocation ,Capacity " how to check

performance(

ocation of 8mer#ency &ire pump :- The space

containin# the pump should not be conti#uous to the boundaries

of machinery space or those spaces containin# main 1re pumps.;ormally located at : !teerin# 4ear Compartment, ft of Collision

)ulkhead, !haft Tunnel, &orward part of ship.

Capacity:- !hall have capacity not less than


19/21

1 0recautions to be taken before enterin# battery room(

1 ifeboat lowerin# procedure(

1 3inimum of ? persons are re9uired to lower the +).

1 /ne person #oes inside the +) and passes the end of to##le

painter and plu#s the drain.

1 Check all lifeline and falls are clear of +).

1 3ake fast the other end of to##le painter on a stron# point

forward of the ship.

1 Remove forward and aft #ripes and both person stand by for

passin# bowin# tackle and tricin# pendant.

1 Remove harbour safety pin.1 3ake sure the shipPs side is free of everythin#, no water or

#arba#e is there.

1 ;ow, one person liftPs the dead mans handle slowly which

releases the brake.

1 The boat alon# with cradle sides downward till it comes to

the embarkation deck.

1 )y pullin# tricin# pendant , brin# it alon#side the

embarkation deck.

10ersons embark inside the boat.1 ;ow, tricin# pendant is removed and the whole load comes

on falls.

1 ;ow, boat is further lowered with deadmanPs handle.

1 s soon as the boat comes around 6meter above the sea-

water, it can be released.

1 'hat are the lifeboat e9uipments(

1 !uGcient buoyant oars

1 < boat hook.

1 < )uckets1 7 %and &lares

1 < Rocket parachutes

1 < smoke si#nals.

1 80$R)

1 !RT

1 &ood Ration.

1 6 knife and tin opener.

1 %and 0ump

1 Tow line

1 nti-sea sickness tablets


20/21

1 6 set of 1shin# tackles.

1 'aterproof torch

1 Day li#ht si#nallin# lamp.

1 Radar reector

1 &irst id Fit1 Tools

1 Compass

1 !ea nchor

1 6 'histle

1 0ortable 1re etin#uisher

1 Thermal 0rotective aid

1 'hat is 4arboard !trake(

!trake adBacent to the keel on each side of the ship is

called 4arboard strake.

1 'hat is sheer strake(

Appermost strake in the side shell.

6=7. 'hat is !trin#er plate(

/utboard deck strake.

6=. 'hat is stealer strake(

;umber of adBacent strakes 1tted at the end of the ship area

called stealer strake.

6=@. 'hat all thin#s are written in )D;J )unker Delivery ;oteK(

a. ;ame of )ar#e+0ort

b. 0osition of vessel.

c. Delivery date

d. $3/ number

e. 4ross tonna#e of *essel f. *essel name

#. Time of startin#

h. Time of stoppin#

i. 0roduct name " code

B. *iscosity at ?= De#ree C

k. Density S 6?C

l. 'ater Content > *+*

m. &lash 0oint C

n. !ulphur Content > m+m

o. 0our 0oint C


21/21

p. Nuantity taken S ?C

function 3

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