Difficulty distribution
How the classified questions are distributed by difficulty.
4questions
Easy
4
100%
Marine Auxiliary Machinery & Systems - Thermodynamics and Marine Engineering - Naval Architecture & Marine Engineering Previous Year Questions
Practice Marine Auxiliary Machinery & Systems - Thermodynamics and Marine Engineering - Naval Architecture & Marine Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
3Papers
3Years
4Questions
1Topics
Marine Auxiliary Machinery & Systems question pattern
Every graph below is calculated only from this selection.
Questions by year
Compare question counts across years.
Question type distribution
MCQ, numerical, multiple-select and other formats found in these papers.
4questions
MCQ
3
75%
Numerical Answer Type (NAT)
1
25%
Subject weightage
Top subjects by unique question coverage.
Most asked topics
Top topics across the included previous year papers.
Subtopic coverage
Top subtopics inside this exact selection.
Paper coverage
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Included previous year papers
Newest papers appear first. Search these papers or sort by year and name.
| Paper name | Year | Attempt | |
|---|---|---|---|
Mining Engineering (MN) 20262026 | 2026 |
|
|
Naval Architecture & Marine Engineering (NM) 20252025 | 2025 | |
|
Naval Architecture & Marine Engineering (NM) 20222022 | 2022 | |
|
All Marine Auxiliary Machinery & Systems previous year questions
Practice every matching question in batches of 20, with every available option.
2022 · Naval Architecture & Marine Engineering · Thermodynamics and Marine Engineering · Marine Auxiliary Machinery & Systems
Naval Architecture & Marine Engineering (NM) 2022
2025 · Naval Architecture & Marine Engineering · Thermodynamics and Marine Engineering · Marine Auxiliary Machinery & Systems
Naval Architecture & Marine Engineering (NM) 2025
2026 · Naval Architecture & Marine Engineering · Thermodynamics and Marine Engineering · Marine Auxiliary Machinery & Systems
Mining Engineering (MN) 2026
2026 · Naval Architecture & Marine Engineering · Thermodynamics and Marine Engineering · Marine Auxiliary Machinery & Systems
Mining Engineering (MN) 2026
In a biochemical oxygen demand (BOD) test, 15 ml of wastewater sample was diluted with distilled water to completely fill a 300 ml BOD bottle and incubated at 20 °C for 5 days. The dissolved oxygen (DO) level before and after incubation are 9.2 mg liter⁻¹ and 4.4 mg liter⁻¹, respectively. The BOD of the sample, in mg liter⁻¹, is __________. (answer in integer)