Tag: #ultrasonictest
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EK Naval Dec 2021 (Q12)
With reference to cargo hatch covers on large container ships: (a) Describe how they are tested for watertight (2) (b) Explain how the weight of the hatch and containers is transferred to the ships structure whilst allowing for deflections of the hull in a seaway (3) (c) Describe, with the aid of a sketch, the…
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EK Naval Jul 2020 (Q12)
(a) Describe, with the aid of a sketch, how a hydraulically operated folding hatch cover opens and closes. (7) (b) Explain how the water tightness and security of the hatch cover sketched in part (a) can be ascertained before proceeding to sea. (3) Jul 2020 (Q12)
UKM Tuticorin 