Онлайн-тестування: Test online CES 5.1 for 3rd-Eng/4rd-Eng

What is the name given to a devastating explosion that may occur when a rigid container containing a liquefied gas is exposed to a very high *temperature?

The extinguishing agent which can be applied on any fires of class A, B, or C is:

If you have to carry out hot work close to a smoke detector in the engine room, what precautions should be taken?

*Where a fixed fire detection system does not include means of remotely identifying each detector individually, detectors are grouped in "sections". These sections may cover up to:

*What is (are) the basic component(s) of a Fire detection system?

Apart from red, what other colour is frequently used for a dry powder extinguisher?

What is the main criterion generally taken into account to classify portable extinguishers:

You are carrying out a search in a smoke filled room wearing BA. How would you conduct this search?

For a DSC-connection (no ‘distress alert’) with another vessel the following frequencies are used:

A SART must be visible on the ship’s radar from a distance of at least:

For which ships is the MARPOL convention applicable?

Who is responsible that regulatory working hours are not exceeded?

To what purpose is safety meetings held prior to surveys?

After checked for open airway, given the first two inflations and checked the pulse to make sure that the heart is beating, what is the rate of inflations given until natural breathing is restored ?

If you use chemicals for cleaning up an oil-spill on the water, what would the chemicals do?

When a pollution incident occurs there is a plan for actions to be undertaken. State which of following priority sequences to be considered:

If the radar is set onto the Relative Motion Display, what would an echo of a target with no trail indicate? Note this the trail of the echo and not a vector.

The vessel is involved in a rescue operation for a Man Overboard and is to launch a lifeboat. What additional items would be very useful to take onboard the lifeboat to assist in the operation?

Which one among the following information shall be marked on the container of an inflatable liferaft:

Which of the following fittings shall be provided to all lifeboats:

An inflatable liferaft accommodating 12 persons is fitted with:

In the case when the temperature of the ambient air is equal to 10°C and the wind is blowing at a speed of 10m/sec the shipwrecked person must consider that the effect of air on his body is equivalent to that of an air whose temperature would be approximately:

The maximum height that a pilot should be required to climb on a pilot ladder before reaching the deck or stepping onto an accommodation ladder platform is:

What is the purpose of the LD (low duty) compressors on an LNG carrier?

Which of the given options characterizes a 2-stroke diesel engine ?

Under MARPOL 73/78 what category would wet kraft paper remaining on board, constitute?

In the event of a diesel engine crankcase explosion which of the safety devices fitted to the engine is designed to minimise the risk of a secondary explosion?

On what design temperature do we need full secondarry barrier

By the International Convention for the Control and Management of Ship's Ballast Water and Sediments, oil tankers are required to have a ballast water exchange plan that involves replacing ballast taken onboard at the previous port. What percentage volumetric exchange must be achieved?

What is the most important reason for separating a panicking passenger from the group?

A cargo of palletized fruit on oblong pallets is being loaded into the 'tween deck space of a conventional reefer ship by stevedores under the supervision of the ship's crew. The pallets are loaded with the long side athwartships to ensure a stable stow. The final space in the first row is too small to fit another pallet athwartships. Select the option which gives the best course of action to be taken to deal with this situation.

Which international convention deals with maritime safety and safety equipment onboard ro-ro passenger vessels?

When LNG is used as fuel a double wall piping system must be used in the engine room. What condition should the annular space between the concentric pipes be maintained in when the fuel system is in service?

Severe piston ring and liner wear are experienced in two cylinders of a medium speed diesel engine shortly after a complete overhaul of all of the cylinders of the engine. The engine is fitted throughout with chrome plated cylinder liners. Which of the given options is the most likely cause of the excessive wear in the two cylinders?

What are some of the precautions that must be taken on a bulk carrier, before double - bottom tanks can be ballasted with sea water?

How many rescue boats should be provided on ro-ro passenger ships of 500 gross tons and above?

A deaf man is reading the paper in the lounge when the emergency alarm sounds. How do you expect him to react?

he instrument most widely used for testing of semiconductor diodes is

Apart from temperature there are few differences between carrying cargoes of chilled meat, minus 1 degree Celsius, and frozen meat, minus 18 degrees Celsius. A key difference is that for frozen meat the cooling fans are operated at half speed or some are switched off whereas for chilled meat the fans are run constantly at full speed. Select, from the options given, the main reason for this difference in fan operation.

Occasionally the tie rods on a large slow speed diesel engine may fail in service. The mode of failure is usually a complete fracture of the tie rod due to excessive fatigue stress. Select, from the options given, the features of the surface of the fracture that would confirm a fatigue failure.

What is the purpose of the special two-way valves mounted on towers at a given height above the cargo deck of a chemical tanker?

Which of the following detectors will you choose for detecting smoke from fire?

For what are bridge indicators required on board a ro-ro vessel?

What can be the punishment for a shipmaster who refuses to provide any person carried on the ship with anything which he is entitled to receive in such capacity, or who permits such refusal?

Many large, slow speed diesel engines have direct oil cooling of the piston crowns provided. An automatic slow down and alarm are sometimes fitted to protect against failure of this system. Which parameter is usually used to initiate this slow down?

Why do we use stabilisers on passenger ships?

When you are calibrating an instrument what is the most common second step in the procedure (consult the manual)

A sudden or gradual decrease in the pH-value, or an increase of the sulfate content, in the cooling water may indicate:

Every oil tanker of 5,000 tonnes deadweight and above delivered on or after 1 February 2002 shall comply with intact stability. What is the minimum GM (metacentric height) when the vessel is in port?

How many rescue boats should be provided on passenger ships of 500 gross tons and above?

Skin contact with liquid methane can result in severe frostbite. Assuming a crewman's hands have been frostbitten due to exposure to liquid methane, which of the given options would be an appropriate initial first aid action?

What do the letters IMDG stand for?

Which of these steps (in shut-down procedure) shall be executed last?

What is the minimum permissible distance measured horizontally between the ship's shell plating and the outer side bulkhead of the first cargo compartment on a type II chemical tanker?

Where should empty and unlceaned receptacles that previously contained toxic gas be stowed?

Too high exhaust temperature in one cylinder becomes because of:

Modern large slow speed diesel engines operate with very efficient turbochargers. This has resulted in much later opening of the exhaust valve as less energy is needed to drive the turbocharger giving exhaust timing which is almost symmetrical about bottom dead centre. How has this affected the reversing operation of the engines?

The diagram shows the lead of a rope during mooring operations and the possible point where it may break. Where would be considered the safest place to be standing?

Who is responsible for the safe keeping of the ship's documents?

On a Container vessel, what do the letters 'PP' mean within the IMDG Code?

What name is given to the technique of combining a light mixture with a heavier one, without beating or stirring, but lifting gently from underneath with a spatula or spoon, in an "over and over" circular motion?

A 250V contactor has been fitted to a 220V supply. Which of the following symptoms might be observed?

Why do cargo tanks on a chemical tanker commonly have their own individual pipelines and cargo pumps?

How many two-way VHF radiotelephone apparatus shall be provided on board a passenger ship of 500 gross tonnage and upwards?

What should be done immediately if during the voyage the temperature of bulk coal exceeds 55?C?

A conventional reefer vessel is loading a cargo of hard frozen palletised meat with a required carriage temperature of minus 18 degree Celsius. A thermistor at the centre of the pallets indicates the temperature to be approximately minus 10 degrees Celsius during loading. What action, from the options given, should be taken under these circumstances?

At what temperature should the meat and fish freezers be maintained?

How do we recognize a leaking fuel injection valve during testing?

How often shall the master review the safety management system?

What problem is associated with the use of twistlocks?

The recognised definition of High Voltage equipment is anything that operates at over which of the following levels?

Which of the given options best completes the following statement? You should never attempt to light a boiler until………………….

What do you understand by the term Maximum Continuous Rating, MCR, of a diesel engine?

The torsion meter for the main propeller shaft is reading high. The torque is sensed using the angle of twist principle with two clamp rings attached to the shaft at a fixed distance, with stationary proximity switches for measuring the angle of twist and also shaft speed fixed to a rigid stool. What is the most likely cause of the high reading?

What is the procedure if a tank lorry containing dangerous goods is not clearly marked?

Why is the tightening of the timing chain important?

Frozen cargo such as lamb carcasses requires careful loading to ensure a neat and tight stow in the hold and requires the crew and stevedores to have considerable skill to achieve this. Which of the options given is the main reason for this?

Many water tube boilers feature so called screen tubes. What is the purpose of these screen tubes?

When cross-flooding arrangements to correct unsymmetrical flooding and excessive heel angels in damaged condition are installed in passenger ships, what is the maximum angle of heel after flooding but before equalization?

What action should you take if you have a flash-back during gas welding?

What will You do if the liquid start raising in the Surge Drum? (Direct cooling system)

The main task of the HP valve in the HP fuel oil pump is:

A clogged / dirty lube oil filter can be detected best by:

Indicate the correct name of the tool on the sketch: