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TASCO Exit Exam • Set 4 Question 11 of 30

Electrochemical Sensors: identify a key finding for its use on board tankers

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Direct Answer

Option D: The sensors are low cost and are small enough to allow several to be incorporated into the same instrument, making them suitable for use in multi-gas detectors.

Electrochemical sensors are compact, energy-efficient, and can be easily miniaturized, which makes them ideal for inclusion in portable multi-gas detectors used by seafarers for daily safety checks.

All Options

A
There are numerous electrochemical sensors available covering a number of gases which may be present in the shipboard environment.
B
The Cell current can be measured, and the amount of gas determined.
C
Electrochemical sensors are based on the fact that cells can be constructed that react with the measured gas and generate an electric current.
D
The sensors are low cost and are small enough to allow several to be incorporated into the same instrument, making them suitable for use in multi-gas detectors. (Correct Answer)

Detailed Explanation & Context

Electrochemical sensors are compact, energy-efficient, and can be easily miniaturized, which makes them ideal for inclusion in portable multi-gas detectors used by seafarers for daily safety checks.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Oil Tanker Cargo Operations (TASCO).

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