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CHIEF MATE EXAM ORAL QUESTIONS AND ANSWERS - LATEST QUESTIONS | Page 202
Q. 2011) River water echosounder is showing a depth of 10 metre , what is actual depth ?
X
actual depth 9.71m
if the echo sounder correctly callibrated for sea water it will show 3% higher than actual depth
Q. 2012) Explain tanker calculation procedure.
XQ. 2013) Various chart projections and their features .
XQ. 2014) Lateral mark & cardinal buoy cards .
XQ. 2015) How many grades of chains are there , which one is strongest ?
X
Q. 2016) What is tidal stream atlas and what informationsare given on them ?
X
rate and drift of tidal streams in the diagram form. rate and drifts are shown in the maps of the areas of which the tidal streams are given.
Q. 2017) You go to rope store in search of wire rope , you find a wire rope but tag of wire is missing , how will you find the swl of r
XSee the no.of strands & wire in each strand..for ex : 6x24,6x37,also measure dia of wire rope and from dia & construction you can find the SWL
Q. 2018) What is mediterranean moor & baltic moor ?
XThe MEDITERRANEAN MOOR consists of making a ship fast stem-on to a berth with the bows held in position by the anchors
The Baltic Moor This method of mooring a ship is employed when a vessel is to lie alongside a quay, the construction of which is not sufficiently robust to permit ranging of the ship during bad weather.
Q. 2019) You are on a chemical tanker & received order to load a cargo (say xyz) , how you will go about loading this cargo ?
XAns: first check type of cargo & whether mentioned in cert of fitness or not,if not check with class or flagstate administration whether vessel can load this particular cargo or not,if so get the new cargo endorsed in cert of fitness by flag state administration & then normal loading procedure
Q. 2020) What is CAS (condition assessement scheme) ?
X
CONDITON ASSESMENT SCHEME
ƒÞ Operation of oil tankers of certain specified categories beyond the specified date is permitted, subject to compliance with the CAS.
ƒÞ Procedure for preparation, conduct of survey, reporting and certification are given in the amendment 2001 to MARPOL 73/78.
ƒÞ CAS involves enhanced surveys along with thickness measurement of various hull members.
ƒÞ CAS surveys shall be carried out concurrently with intermediate or renewal surveys when the enhanced survey programme is applicable as per SOLAS chapter XI.
ƒÞ The surveys have to be carried out by a recognised organisation (RO), which is authorized by the administration.
ƒÞ Thickness measurement (TM) firm is a qualified company certified by the RO.
ƒÞ Not less than two qualified exclusive surveyors of the RO shall carry out the survey.
ƒÞ The surveyor must have experience of conducting renewal surveys and must undergo appropriate training and familiarization programme.
ƒÞ Thickness measurement shall be carried out by the certified TM firm in the presence of the surveyor of the RO.
ƒÞ CAS applies to surveys of hull structure in way of cargo tanks, pump room, cofferdams, pipe tunnels, void spaces within the cargo area and all ballast tanks including the fore peak and aft peak tanks.
ƒÞ In addition to overall surveys of the above spaces, it also includes close up surveys of structural member such as bulkheads, web frames, deck transverses, bottom transverses and all connected structural members.
ƒÞ Proper access must be provided for the close-up survey.
ƒÞ Tank coatings and corrosion protection system shall be inspected. Good coating need not be removed.
ƒÞ Thickness measurement shall be carried out on all deck plates, bottom plates, three transverse sections including at least one in way of a ballast tank, structural subject to close-up surveys, suspect areas, wind and water strakes, internals of fore peak and aft peak tanks and exposed superstructure decks
