CES Wrong Answer Summary Ce7d5b57-96d2-4f13-Bcfb-fc150472ceba 5.0

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Wrong answer summary

STAFF Management Ltd MDB

Installation: CES version: CES 5.1.0

Shota Rustaveli

Name: Test date: 08.11.2013

SM00246

User ID: Test type: STCW

16.07.1980

Date of birth: Department: Deck

Russian Federation

Nationality: Level: Management

Academy: Vessel type: Oil Tanker

Batch:

No Show only wrong answers with negative score:

Question asked (187):

IMO MSC.1/Circ 1321 requires that cargo pump rooms on oil tankers shall be mechanically ventilated, using non-sparking suction type fans. What is the minimum number of changes of air per hour that a ventilation system must deliver?

At least 15 per hour.

Selected answer:

Correct answer:

At least 20 per hour.

A vessel berths at two different jetties under the influence of a 1 knot beam current. At the first jetty the ship has an underkeel clearance of 5 times the draught and at the second the underkeel clearance is only 0.5 times the draught. If the current exerted a force of 50 tonnes on the ship at the first jetty, what would be the approximate force exerted at the second if the draught is the same?

75 tonnes

Correct answer:

150 tonnes

What would be the correct understanding of the term "a ship is directionally unstable"?

When the rudder is kept amidships, the ship will continue on a straight course

Correct answer:

The ship requires continual application of the rudder to maintain a steady course.

What is the disadvantage of using chemicals on an oil-spill on the water?

It is difficult to apply the chemicals if the oil drifts away from the ship's side

Selected answer: Correct answer:

The chemicals make it difficult to remove the oil from the water

An Oil tanker experiences large bending moments and therefore the deck scantlings must be maintained within "x" length amidships, where "x" is:

Half Length

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Wrong answer summary

Correct answer:

0.4 Length

MARPOL - Annex IV. Prevention of Pollution by Sewage from ships. What do you understand by the word "Sewage"?

Mixture of sea water/oil.

Correct answer:

Drainage/waste from toilets/urinals.

What is the correct setting of the "Anti sea clutter" control on the radar?

All of the suggested answers

A few sea returns remaining on the screen.

Why should Ground Stabilised True Motion display mode be avoided when using the Arpa for anti-collision purposes

The Relative Motion display and relative vectors is the only display to use for anti-collision purposes.

Correct answer:

The collision regulations are based on ship courses through the water.

What is the "Scantling Draught" of an Oil Tanker with segregated ballast tanks?

The minimum draught amidships when in ballast condition

Correct answer:

The draught for which the structural strength of the ship has been designed

Some centrifugal cargo pumps on oil tankers are designed with an automatic stripping system, which allows the cargo tank to fully discharge its contents. By what principle does such a stripping system operate?

By automatically reducing the rate at which oil cargo enters the cargo pump, such that any vapour lifted along with the liquid does not cause a loss of suction.

Correct answer:

On the basis that, if cargo vapour can be stopped from entering the cargo pump suction inlet, the flow will continue without cavitation.

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Wrong answer summary

When a message is sent by the Inmarsat—C installation to an Internet e-mail address,

the land charge is:

Dependent on the destination

Independent of the destination

After disconnecting the telex connection via a LES, the time period is stated based on:

The time in whole minutes when one was connected with the LES

Correct answer:

The time in minutes, or parts of it, when the landline was used

With an Inmarsat-C terminal the option ‘PSTN’ for addressing is available. This option:

Delivers the message as a fax

Is to deliver a message by telephone via a modem on the computer of the suscriber

When during transmitting the display of a radiotelephone-installation shows a decrease intransmitting power it is:

An adjustment of the semi-duplex transmitting power

Correct answer:

An indication of aerial problem

The correct functioning of a DSC-modem can be checked by means of:

Tester provided with the equipment

The built-in test facility in the modem

When initially setting up the GPS to provide positions for use with a paper chart, what Chart Datum should be selected?

Select the datum stated on the chart in use

Correct answer:

Select WGS84 and when plotting on the chart apply the stated corrections.

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Wrong answer summary

Give the meaning of the following symbol

Rocket parachute flares

Correct answer:

Line throwing appliance

What do you understand by the term “Risk Assessment”, and how would this be carried out on board?

Requires a great deal of preparation and involves recording everything on paper

Correct answer:

Identify the hazards, quantify the risks, put control measures in place, monitor the work activity and review

Which of the following requirements regarding life-buoys correspond to present regulations? (SOLAS III/7.1)

At least four life-buoys on each side of the ship shall be fitted with buoyant lifelines

Correct answer:

Not less than half the total number of lifebuoys shall be provided with self-ignighting lights

Every inflatable liferaft , inflatable lifejacket and hydrostatic release units shall be serviced: Every 24 months. Selected answer: Correct answer: Every 12 months. Question asked (33651):

The recommended distance between parallel tracks (track spacing) in a search for a casualty by a surface vessel varies (amongst other factors) according to visibility and the nature of the target in the IAMSAR Manual. These distances are then normally adjusted for prevailing weather conditions. If visibility was 5 nautical miles and you were looking for a six-person liferaft, what would the recommended uncorrected track spacing be?

2.5 nautical miles.

Correct answer:

3.6 nautical miles.

What type of search pattern is recommended in the IAMSAR Manual as most effective when the location of the search object is known within relatively close limits?

Sector Search.

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Wrong answer summary

One particular group of hazardous goods is highlighted by the IMDG Code as potentially being the most dangerous for carriage. Which of the following is it?

Infectious substances.

Correct answer:

Organic peroxides.

Where should placards be located on a freight container?

One of the back end and one on one of the sides (only).

One on each end and one on each side.

During the survey of Long Range Identification and Tracking (LRIT) equipment, which document must be available to the surveyor to demonstrate compliance with SOLAS?

A report giving the result of the Performance Test, issued by the manufacturer in compliance with the Flag State Authority requirements.

Correct answer:

A report giving the result of the Conformance Test, issued by the Classification Society on behalf of the Flag State Authority.

By what formula is the displacement calculated? W = Displacement; L = length; B = Breadth; D = depth of vessel; Cb = Block Coefficient;

Cw = Coefficient of waterplane; RD = relative density;

W = L x B x d x Cb / RD

W = L x B x d x RD

Master of every ship must provide:

the training during crews working hours only

Correct answer:

A link between the shipboard training officer and the company training officer ashore

When discussing ther chemistry of petroleum cargoes, if 'Alkanes' are saturated hydrocarbons, what are unsaturated hydrocarbons?

They are also referred to as Alkanes.

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Wrong answer summary

According to ISGOTT, flue gas that is produced by the burning of a fuel oil that has a high sulphur content will typically contain which of the following amounts of sulphur dioxide?

200 ppm

Correct answer: