Статья — Вопросы, которые задают на интервью младшим механикам — EdMarine LP

Вопросы, которые задают на интервью младшим механикам

Давайте проверим Ваши знания и ответим на 3 вопроса средней сложности, которые могут попасться на интервью.

1) Что такое DP transmitter и для чего он предназначен?

Differential pressure transmitter (исходя из названия) измеряет давление в нижней и верхней точках котла. При изменении давления – запускает насос подкачки воды. Смотрим картинки 1 и 2.

2) Почему важно держать средний уровень воды в Sight glass опреснителя?

Уровень в sight glass – это уровень нашего “brine” – излишка очень солёной воды (рассола/ропы), который с помощью эжектора откачивается за борт. Слишком высокий уровень говорит о низкой эффективности, а слишком низкий – о малом количестве воды в испарителе и слишком высокой эффертивности.

3) Что такое и от чего зависит “interface” в сепараторах?

“Interface” – это граница между водяным затвором и рабочей жидкостью сепаратора (масло/топливо). На него очень легко влияют изменения плотности, вязкости, температуры и текучести.

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