Q8. (a) With reference to the cargo tanks of oil tankers: State
(i) The purpose of the pressure vacuum valve (5)
(ii) The dangers of venting during loading via open tank hatches (5)
(b) (i) Sketch a high velocity vent (5)
(ii) Describe the operation of this vent and state why such a device is used. (5)
Q2. a) With respect to oil tankers, what are LR1, LR2, VLCC and ULCC? (4)
b) Sketch the mid ship section of a double hulled oil tanker with centre tank and wing tanks (12)
Q8. With references to the pump room of an oil tanker describe the following with particular emphasis on safety aspects:
a) Ventilation system (5)
b) Procedure to be followed for pump room entry. (6)
c) Lighting system. (5)
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