LPG Tanker Deck Competence

Support Level (Deck Crew).

Entry-level CES test for seafarers working on LPG tankers. Covers basic principles of electrical safety, emergency power, instrumentation, control systems, and GMDSS operations. Designed to evaluate technical awareness and safe working practices at the support level.

Питань 60

Час 59 min

Мова Англійська

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Питання 1

A motor is protected by a thermal overcurrent relay. After tripping on overload it will not be possible to reset the overcurrent relay immediately because the:

A Bimetallic strips need time to cool down.

B Starter isolator automatically applies an interlock.

C Line contactor spring has to be reset.

D Oil dash-pot has to be reset.

Питання 2

In terms of electronic hardware, what is the meaning of the abbreviation PCB?

A Printed Circuit Board.

B Positive Current Biased.

C Positive Colour Board.

D Power Control Bridge.

Питання 3

With reference to Open Systems Interconnection (OSI) layer 1, the baseband medium type is indicated as "100BASE-TX". What does the term "100BASE-TX" mean?

A 100Mbps over four pair of CAT3 cable.

B 100Mbps over two pair of CAT3 cable.

C 100Mbps over two pair of CAT5 cable.

D 100Mbps over four pair of CAT5 cable.

Питання 4

What type of component does this graphical symbol illustrate?

A Pressure switch.

B Pressure relief valve.

C Pressure-reducing regulator.

D Flow controller.

Питання 5

What type of operation is radio and television broadcasting using?

A Half-simplex.

B Simplex.

C Full duplex.

D Half-duplex.

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