Merchant Navy Entrance - Indian Maritime University (IMU-CET)

Fluid Mechanics & Buoyancy question bank (Marine Engineering Physics & Mechanics)

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Q1.
In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): Under MARPOL Annex I, oily water discharge from machinery spaces into sea outside special areas is prohibited unless oil content does not exceed:

(A)
15 parts per million (15 ppm)
(B)
5 parts per million (5 ppm)
(C)
50 parts per million (50 ppm)
(D)
100 parts per million (100 ppm)
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Q2.
In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): A ship's transverse metacentric height (GM) is calculated as KM - KG. If KM = 9.47 m and KG = 8.49 m, calculate the metacentric height GM.

(A)
17.96 m
(B)
78 m
(C)
0.98 m (Unstable)
(D)
0.98 m (Positive Stability)
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