Судовые механики. Базовая лексика.

Supply air goes through filters to calibrated orifice and then to measuring head.

Air must be very fresh not to activate alarms.

Air filters are very important.

If there are 5 percent of low explosion limit (2,5 mg per liter of air), oil mist alarm high activates.

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Answer the questions:

How to determine oil mist opacity?

What is ejector for?

Shock absorbers.What are they for?

What happens with the infrared led beam inside of the oil mist detector?

What is the dangerous concentration of oil in the mist?