Merchant Navy Entrance - Indian Maritime University (IMU-CET) previous year questions (PYQ)

2026 (1797 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A merchant ship steams at a continuous speed of 14 knots for 15 hours. How many nautical miles does she cover?

(A)

389 NM

(B)

210 NM

(C)

255 NM

(D)

180 NM

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Q2.

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

(A)

5 parts per million (5 ppm)

(B)

100 parts per million (100 ppm)

(C)

15 parts per million (15 ppm)

(D)

50 parts per million (50 ppm)

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2025 (225 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): Under the IALA Maritime Buoyage System Region A (covering India, Europe, Asia, Africa), what is the color and shape of a Port-hand Lateral Mark?

(A)

Black with a horizontal red band, pillar shape

(B)

Red color, cylindrical (can) shape, with a red can topmark

(C)

Yellow color with black stripes, spherical shape

(D)

Green color, conical shape, with a green cone topmark

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): Under COLREGs Rule 15, when two power-driven vessels are crossing so as to involve risk of collision:

(A)

Both vessels must alter course to port immediately

(B)

The vessel which has the other on her starboard side shall keep out of the way

(C)

The vessel with higher displacement maintains course and speed

(D)

The vessel on the port side has unconditional right of way

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2024 (243 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): A merchant ship steams at a continuous speed of 19 knots for 16 hours. How many nautical miles does she cover?

(A)

304 NM

(B)

274 NM

(C)

349 NM

(D)

563 NM

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Q2.

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

(A)

100 parts per million (100 ppm)

(B)

50 parts per million (50 ppm)

(C)

15 parts per million (15 ppm)

(D)

5 parts per million (5 ppm)

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2023 (214 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): A merchant ship steams at a continuous speed of 22 knots for 35 hours. How many nautical miles does she cover?

(A)

770 NM

(B)

1426 NM

(C)

815 NM

(D)

740 NM

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Q2.

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)

100 parts per million (100 ppm)

(D)

50 parts per million (50 ppm)

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2022 (239 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): A merchant ship steams at a continuous speed of 17 knots for 16 hours. How many nautical miles does she cover?

(A)

504 NM

(B)

242 NM

(C)

317 NM

(D)

272 NM

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): A merchant ship steams at a continuous speed of 21 knots for 19 hours. How many nautical miles does she cover?

(A)

739 NM

(B)

369 NM

(C)

444 NM

(D)

399 NM

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2021 (212 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): A merchant ship steams at a continuous speed of 19 knots for 29 hours. How many nautical miles does she cover?

(A)

551 NM

(B)

1020 NM

(C)

521 NM

(D)

596 NM

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): Under MARPOL Annex I, oily water discharge from machinery spaces into sea outside special areas is prohibited unless oil content does not exceed:

(A)

50 parts per million (50 ppm)

(B)

100 parts per million (100 ppm)

(C)

15 parts per million (15 ppm)

(D)

5 parts per million (5 ppm)

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2020 (238 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): Under the IALA Maritime Buoyage System Region A (covering India, Europe, Asia, Africa), what is the color and shape of a Port-hand Lateral Mark?

(A)

Black with a horizontal red band, pillar shape

(B)

Green color, conical shape, with a green cone topmark

(C)

Red color, cylindrical (can) shape, with a red can topmark

(D)

Yellow color with black stripes, spherical shape

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A merchant ship steams at a continuous speed of 15 knots for 32 hours. How many nautical miles does she cover?

(A)

889 NM

(B)

450 NM

(C)

480 NM

(D)

525 NM

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2019 (205 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): Under the IALA Maritime Buoyage System Region A (covering India, Europe, Asia, Africa), what is the color and shape of a Port-hand Lateral Mark?

(A)

Red color, cylindrical (can) shape, with a red can topmark

(B)

Black with a horizontal red band, pillar shape

(C)

Yellow color with black stripes, spherical shape

(D)

Green color, conical shape, with a green cone topmark

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): Under the IALA Maritime Buoyage System Region A (covering India, Europe, Asia, Africa), what is the color and shape of a Port-hand Lateral Mark?

(A)

Yellow color with black stripes, spherical shape

(B)

Red color, cylindrical (can) shape, with a red can topmark

(C)

Green color, conical shape, with a green cone topmark

(D)

Black with a horizontal red band, pillar shape

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2018 (253 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A merchant ship steams at a continuous speed of 18 knots for 26 hours. How many nautical miles does she cover?

(A)

468 NM

(B)

438 NM

(C)

513 NM

(D)

867 NM

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A merchant ship steams at a continuous speed of 16 knots for 22 hours. How many nautical miles does she cover?

(A)

322 NM

(B)

352 NM

(C)

397 NM

(D)

652 NM

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2017 (182 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): Under COLREGs Rule 15, when two power-driven vessels are crossing so as to involve risk of collision:

(A)

The vessel on the port side has unconditional right of way

(B)

The vessel with higher displacement maintains course and speed

(C)

Both vessels must alter course to port immediately

(D)

The vessel which has the other on her starboard side shall keep out of the way

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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 = 7.56 m and KG = 6.48 m, calculate the metacentric height GM.

(A)

88 m

(B)

1.08 m (Unstable)

(C)

08 m (Positive Stability)

(D)

14.04 m

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2016 (232 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A ship's transverse metacentric height (GM) is calculated as KM - KG. If KM = 7.57 m and KG = 6.73 m, calculate the metacentric height GM.

(A)

64 m

(B)

0.84 m (Positive Stability)

(C)

0.84 m (Unstable)

(D)

14.3 m

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): Under COLREGs Rule 15, when two power-driven vessels are crossing so as to involve risk of collision:

(A)

Both vessels must alter course to port immediately

(B)

The vessel which has the other on her starboard side shall keep out of the way

(C)

The vessel on the port side has unconditional right of way

(D)

The vessel with higher displacement maintains course and speed

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2015 (233 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): A ship's transverse metacentric height (GM) is calculated as KM - KG. If KM = 7.74 m and KG = 6.9 m, calculate the metacentric height GM.

(A)

0.84 m (Unstable)

(B)

0.84 m (Positive Stability)

(C)

14.64 m

(D)

64 m

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Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): Under COLREGs Rule 15, when two power-driven vessels are crossing so as to involve risk of collision:

(A)

The vessel with higher displacement maintains course and speed

(B)

The vessel on the port side has unconditional right of way

(C)

Both vessels must alter course to port immediately

(D)

The vessel which has the other on her starboard side shall keep out of the way

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