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): 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)

Both vessels must alter course to port immediately

(C)

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

(D)

The vessel on the port side has unconditional right of way

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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)

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

(B)

Green color, conical shape, with a green cone topmark

(C)

Yellow color with black stripes, spherical shape

(D)

Black with a horizontal red band, pillar shape

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2025 (225 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 = 8.67 m and KG = 8.15 m, calculate the metacentric height GM.

(A)

0.52 m (Positive Stability)

(B)

0.52 m (Unstable)

(C)

16.82 m

(D)

32 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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)

Green color, conical shape, with a green cone topmark

(B)

Yellow color with black stripes, spherical shape

(C)

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

(D)

Black with a horizontal red band, pillar shape

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2024 (243 questions)

Q1.

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)

15 parts per million (15 ppm)

(B)

100 parts per million (100 ppm)

(C)

50 parts per million (50 ppm)

(D)

5 parts per million (5 ppm)

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

Advanced Research & Methodology: In scholarly analysis of 'Bernoulli Equation Pipe Flow and Marine Pumps', which methodological approach ensures reproducibility and minimizes systematic bias?

(A)

Controlled multi-factorial experimental design with blinded statistical validation (Bernoulli Equation Pipe Flow and Marine Pumps)

(B)

Post-hoc selective data reporting highlighting only conforming sample sets

(C)

Uncalibrated qualitative impressions without standardized measurement criteria

(D)

Extrapolating microscopic laboratory observations directly to macro ecosystems without validation

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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 16 knots for 12 hours. How many nautical miles does she cover?

(A)

192 NM

(B)

356 NM

(C)

237 NM

(D)

162 NM

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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 = 8.08 m and KG = 6.89 m, calculate the metacentric height GM.

(A)

14.97 m

(B)

1.19 m (Unstable)

(C)

19 m (Positive Stability)

(D)

99 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2022 (239 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Nautical Science & Maritime Mathematics): A merchant ship steams at a continuous speed of 15 knots for 24 hours. How many nautical miles does she cover?

(A)

667 NM

(B)

330 NM

(C)

360 NM

(D)

405 NM

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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 36 hours. How many nautical miles does she cover?

(A)

621 NM

(B)

1067 NM

(C)

546 NM

(D)

576 NM

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2021 (212 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 = 7.27 m and KG = 6.15 m, calculate the metacentric height GM.

(A)

13.42 m

(B)

92 m

(C)

12 m (Positive Stability)

(D)

1.12 m (Unstable)

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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 = 7.23 m and KG = 6.56 m, calculate the metacentric height GM.

(A)

0.67 m (Positive Stability)

(B)

13.79 m

(C)

0.67 m (Unstable)

(D)

47 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2020 (238 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 = 7.07 m and KG = 6.13 m, calculate the metacentric height GM.

(A)

13.2 m

(B)

74 m

(C)

0.94 m (Unstable)

(D)

0.94 m (Positive Stability)

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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 on the port side has unconditional right of way

(B)

Both vessels must alter course to port immediately

(C)

The vessel with higher displacement maintains course and speed

(D)

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

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2019 (205 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 = 7.45 m and KG = 6.62 m, calculate the metacentric height GM.

(A)

63 m

(B)

0.83 m (Unstable)

(C)

0.83 m (Positive Stability)

(D)

14.07 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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 on the port side has unconditional right of way

(C)

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

(D)

The vessel with higher displacement maintains course and speed

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2018 (253 questions)

Q1.

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 = 8.81 m and KG = 7.98 m, calculate the metacentric height GM.

(A)

0.83 m (Positive Stability)

(B)

0.83 m (Unstable)

(C)

63 m

(D)

16.79 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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)

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

(B)

Yellow color with black stripes, spherical shape

(C)

Green color, conical shape, with a green cone topmark

(D)

Black with a horizontal red band, pillar shape

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2017 (182 questions)

Q1.

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

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Maritime General Knowledge & Sea Aptitude): A merchant ship steams at a continuous speed of 14 knots for 24 hours. How many nautical miles does she cover?

(A)

381 NM

(B)

336 NM

(C)

306 NM

(D)

622 NM

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2016 (232 questions)

Q1.

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 = 8.92 m and KG = 8.27 m, calculate the metacentric height GM.

(A)

0.65 m (Positive Stability)

(B)

0.65 m (Unstable)

(C)

45 m

(D)

17.19 m

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

Q2.

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)

Yellow color with black stripes, spherical shape

(C)

Green color, conical shape, with a green cone topmark

(D)

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

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

2015 (233 questions)

Q1.

In Merchant Navy Entrance (IMU-CET / Nautical Science - Marine Engineering Physics & Mechanics): A merchant ship steams at a continuous speed of 15 knots for 35 hours. How many nautical miles does she cover?

(A)

972 NM

(B)

570 NM

(C)

525 NM

(D)

495 NM

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view

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)

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

(B)

Both vessels must alter course to port immediately

(C)

The vessel with higher displacement maintains course and speed

(D)

The vessel on the port side has unconditional right of way

Show answer & solution

Verified Answer & Solution Locked

Sign in to your free student account to reveal verified answers and step-by-step solutions.

Sign in to view