Aux 2 Unit 17 Misc parts

8.Describe the annual airtight integrity test and examination that is required to be carried out on an inflatable or rigid inflatable craft.
(10)

Aux 2 Unit 17 Q1

Answer

9. (a) List THREE defects that may be found during an inspection of a fixed bladed propeller, stating the possible cause of EACH.(6)
   (b) State the likely consequences if the defects stated in part (a) are not rectified.(4)

Aux 2 Unit 17 Q2

Answer

9. With reference to surface preparation for the painting of a vessels hull in dry-dock, list the advantages and disadvantages of EACH of the following methods:
   (a) abrasive blasting;(5)
   (b) hydroblasting.(5)

Aux 2 Unit 17 Q3

Answer

With reference to the visual inspection of lifting gear before use, state the removal from service criteria for EACH of the following slings when visually inspecting before use:
(a) wire rope;
(b) synthetic fibre.

Note: The slings are within inspection dates, are of the correct SWL and clearly labelled.

Aux 2 Unit 17 Q4

Answer

6. With reference to a reciprocating air compression:
   (a) define the term Volumetric Efficiency;(4)
   (b) explain how the operation of the suction and delivery valves affect the volumetric efficiency of the compressor.(6)

Aux 2 Unit 17 Q5

Answer

10. With reference to a vessel’s motion control:
    (a) outline the SIX degrees of freedom;
    (b) explain the term damping;(4)
    (c) state THREE considerations to be made, before the installation of a motion reduction system.(3)

Aux 2 Unit 17 Q6

Answer

9. Describe the procedure that should be followed if an outboard motor has been submerged in sea water.(10)

Aux 2 Unit 17 Q7

Answer

10. With reference to the International Convention for the Safe and Environmentally Sound Recycling of Ships:
    (a) state the operational requirements for compliance;(4)
    (b) list FOUR prohibited hazardous materials;(4)
    (c) list TWO hazardous materials whose use should be restricted.(2)

Aux 2 Unit 17 Q1

Answer