Seafarer's Question Answers

Answer: Because the scavenging/charging air system of the 2-stroke engine and 4-stroke engine are different. A 2-stroke engine has scavenging ports in which the scavenging air passes to it when the piston reaches the bottom dead center. This air will also expel exhaust gas in the combustion chamber through its "Exhaust valve" (the one valve you said). A 4-stroke engine has 4 valve...

Solving the ROR situations given in the Videotel requires a bit of analytic skills. Let us solve few of these situations with few examples. Here is one of the example how the Radar screen will be given in the question. The question will be: What will be the closest point of approach of taregt A? A. Between 3 to 4 Miles B. Between 4 to 5 miles C. Less than 0.9 mile D. Between 1 to 2 m...

Generally, bunkers have a flashpoint of greater than 60 degree Celsius. It's quite comprehensible that in no way the ambient temperature of the bunker tanks are gonna go above 60 degree Celsius. If the bunker tanks cannot reach 60 degree Celsius, it cannot produce cargo vapours that are rich in hydrocarbons; thus no explosion can occur. And thus, inert gas is not being used in bunker tanks. Ho...

As far as i am concerned, the precautions are in need before taking delivery of bl. It should be checked for quantity, name of cargo, consignee and consignor. And most important one is its status (freight prepaid etc). You should inform the company before signing it. If all data on bl is mutually agreed by all parties, there is no danger of it.  So, the dangers are before signing org bl...