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SETS (Seafarer Evaluation Training System) Test Online for Seamen on ES2: Electrical Installations and Associated Dangers

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Welcome to the website where you can pass online the Seafarer Evaluation Training System (SETS) test on «Electrical Installations and Associated Dangers». Practice like this will help you as a marine specialist improve your knowledge with the help of online studying and appraisal practice. SETS based on practical information and marine specialists experience.

SETS tests developed for evaluating seaman basic knowledge by company “Naval Education Services” is an evaluating online-tool, used for revealing any professional preparation needed in specific fields of knowledge, defined by STCW Section A-V/1-2.

SETS tests have proven themselves as good tools for the selection and recruitment process, as well as advancing the level of knowledge of the current officers and crew.

Current test contains SETS questions in area «Electrical Installations and Associated Dangers». Those questions can be used for competence verification specialist capable of preventing accidental situations related with transporting safety, or also for self-examination.

«Electrical Installations and Associated Dangers» subject includes theoretical and practical information about advanced training for work on any type of vessel. This comprehensive test evaluates a candidate’s knowledge and understanding of marine electrical systems. It specifically assesses the ability to identify and mitigate the unique dangers associated with electrical installations on various vessel types. A significant portion of the test focuses on interpreting complex electrical diagrams and schematics commonly found on ships. Practical scenarios require candidates to demonstrate safe isolation procedures for high-voltage and low-voltage equipment. The test includes questions on the specific hazards of working in a marine environment, such as dampness, vibration and flammable atmospheres. Sailors must prove their knowledge of international safety regulations and classification society rules governing shipboard electrical work. Fault-finding exercises simulate real-world problems to test analytical skills and the application of diagnostic procedures. Successful completion of this assessment verifies the advanced competency required to perform and supervise electrical work safely at sea.

On this site SETS on the subject «Electrical Installations and Associated Dangers» contains 34 questions you need to answer with no possibility to go back to previous question. Therefore, we recommend carefully reading each question and making decision with no hurry. In case you have some difficulty answering, you have also possibility to request a hint.

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Amount of questions: 34.

Right answers marked with this sign .

The electrolyte in a charged lead acid battery consists of water and:
Hydrochloric acid.
Muriatic acid.
Dilute sulphuric acid.
Potassium hydroxide.
In this picture of a very commonly used lamp, what are items No. 10?

Common lamp

The starting ends.
The ignition plugs.
The end fittings.
The armature fixtures.
What is the proper name of the lamp shown here item No. 12?

Common lamp

A SL daylight saver lamp.
A TL fluorescent lamp.
A FX neon lamp.
A GE ballast lamp.
What is item No. 14 as shown here in this fluorescent lamp assembly?

Common lamp

The automatic fuse.
The reset button.
The light switch.
The starter.
What are the prime movers that can be used to drive medium to large size industrial alternators?
Internal combustion engines.
Steam turbines.
Gas or hydraulic turbines.
Any of the other options.
Which of the following duties would NOT be served by primary batteries?
Emergency lighting.
Low voltage systems such as telephones.
Emergency generator starting.
The powering of hand torches.
On a motorship whilst in port electrical power is provided by:
Shaft alternators.
Turbo alternators.
Batteries.
Diesel generators.
A small electrical circuit can be used to switch on a larger circuit with which of the following?
A transformer.
A breaker.
A relay.
A busbar.
On board ship an electrical transformer is used to:
Change AC voltage from one value to another.
Isolate a circuit automatically.
Produce DC from AC.
Change DC voltage from one value to another.
Which of the following statements about shaft alternators is true?
They are only found on ships powered by slow speed diesel engines.
They produce the electrical power when a ship powered by medium speed diesels is at sea.
Shaft alternators produce the electrical power on steamships.
Shaft alternators produce direct current.
The main switchboard on a ship is usually situated in which of the following places?
The alternator flat.
The Machinery Control Room.
The Bridge.
The accommodation.
The piece of electrical equipment used for changing a voltage, up or down, is called:
A transformer.
A switch.
A fuse.
A circuit breaker.
The charge in a lead acid battery can be measured with which of the following?
An ammeter.
A hydrometer.
A thermometer.
A wattmeter.
The name given to the force that drives electrical current is which of the following?
Amperes.
Ohms.
Watts.
Voltage.
The instrument used to measure electrical insulation is called:
A voltmeter.
An ammeter.
A megger.
A motormeter.
When wiring a modern 13 amp square pin electric plug which colour wire is attached to live?
Yellow and green.
Black.
Blue.
Brown.
An electrical breaker is defined as which of the following?
An isolating switch.
A device for changing voltage.
A circuit for producing DC from AC.
A device that acts as a fuse as well as a switch.
Which of the following statements about electrical fuses is true?
When a fuse fails it is necessary to replace it immediately.
A regularly failing fuse should be replaced with one of a high rating.
After a fuse has failed it restores the current automatically once the fault has been found.
Fuses protect circuits and people from excess current automatically.
Ohms are a measure of which of the following?
The quantity of electricity flowing along a conductor.
A conductor’s resistance to electricity flowing along it.
Electrical power in a generator circuit.
The pressure required to drive the electricity through a conductor.
Concerning modern 13 amp square pin electric plugs which of the following statements is true?
The earth wire goes to the centre top connection.
The fuse is at the neutral connection.
The live wire is coloured blue.
The neutral wire is coloured brown.
Which of the following would be powered by 440 volts AC on a modern ship?
Accommodation lighting.
Alarm panels.
Electric motors running pumps.
Emergency generator starter motors.
If excessive current flows in a circuit which of the following automatically isolates the circuit?
The fuse.
The isolating switch.
The rectifier.
The ammeter.
When wiring a modern 13 amp square pin electric plug which colour wire is attached to earth?
Yellow and green.
Black.
Blue.
Brown.
220 volts would supply which of the following on a modern ship?
Large main pumps.
Main air compressors.
Engine room lighting.
Purifiers.
On board modern ships the majority of the lights are powered by:
110 volts.
440 volts.
50 volts.
220 volts.
When wiring a modern 13 amp square pin electric plug which colour wire is attached to neutral?
Yellow and green.
Black.
Blue.
Brown.
Busbars are:
Copper bars carrying electrical current.
Special types of fuse.
Devices for changing voltage.
Electrical switchboards.
When changing a fuse care must be taken:
Not to change it with an electrical screwdriver.
Not to replace it with one of a higher rating.
To leave the supply on.
To leave the electrical tool connected.
A valve which is operated by an electric circuit is called a:
Breaker.
Thermostatic valve.
Motorized valve.
Solenoid valve.
Watts are a measurement of:
Electrical pressure.
Electricity flow.
Electrical power.
Resistance.
Behind the main switchboard are copper bars carrying electrical current. These are called:
Transformers.
Breakers.
Batteries.
Busbars.
Onboard modern ships the main electrical power circuits are served by:
220 volts.
440 volts.
110 volts.
A hydrometer is used to measure:
The internal temperature of a battery.
The acid content of a battery.
The specific gravity of the battery electrolyte.
The water content of the battery.
A conductor’s electrical current is measured in:
Volts.
Amperes.
Ohms.
Watts.

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