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

High Voltage (HV) cables are smaller than low voltage cables for a given power rating. Why is this so?

A The HV cable uses Aluminium conductors and therefore requires them to be a smaller cross-sectional area.

B The HV cable uses higher quality copper conductors and therefore requires them to be a smaller cross-sectional area.

C The HV cable carries a smaller current and therefore requires less copper.

D The HV cable has a thinner wall of special insulation material.

Питання 2

An electrical power emergency source in a ship is required because:

A It satisfies the need to be environmentally "friendly".

B In the event of main power failure, essential electrical and safety systems are available.

C The ship's total load can be shared between main and emergency generators.

D The main diesel generator(s) can be taken out of service for overhaul or repair.

Питання 3

Which of the following letter combinations represents a temperature controller on a process and instrumentation diagram?

A FIC.

B TC.

C TIC.

D PIC.

Питання 4

Which electronic component does this graphical symbol represent?

A Capacitor.

B Resistance.

C Temperature sensor.

D Transformer.

Питання 5

With reference to data transmission, what does the term propagation time mean?

A Time taken for signal to travel from transmitter to receiver.

B Time taken by transmitter to pick up signal from sensor.

C Signal processing time.

D Time delay before signal is transmitted.

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