Viewing

Date: 2015-10-07; view: 448.

6In pairs exchange the information about personal protective equipment you had aboard during your practice.7Watch the video and make a list of rules of personal safety on tankers.

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

7Mark the statements as true / false / doesn't say according to the content. Prove your choices.

1. Ullages and temperatures of all tanks should be taken at regular intervals during a voyage to ensure that serious leakage will be detected.

2. Viscous oils (such as fuel oil and heavy lubricating oil) should be heated for several days before arrival at the port of discharge so that their viscosity is decreased and a high rate of discharge is possible.

3. Tanks are ventilated by large diameter pipes which exhaust above deck level on masts or samson posts.

4. The water around the ship should be inspected after commencing, to ensure that no oil is escaping.

5. The degree of cleaning necessary depends upon the cargo previously carried and that to be carried next.

6. Mechanical tank washing machinery is usually used. This consists of rotating water jets which are lowered into a tank through a specially fitted manhole.

7. The International Chamber of Shipping, in collaboration with the Oil Companies In­ternational Marine Forum, has produced the International Safety Guide for Oil Tankers and Terminals.

8. Crude oil washing is a common technique now used for tank cleaning.