Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Thermal, Microbial and Low-salinity Recovery - Enhanced Oil Recovery Techniques - Petroleum Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Thermal, Microbial and Low-salinity Recovery. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Petroleum Engineering (PE) 2024 | 2024 | 2 | View paper |
| Petroleum Engineering (PE) 2023 | 2023 | 1 | View paper |
| Petroleum Engineering (PE) 2021 | 2021 | 1 | View paper |
| Petroleum Engineering (PE) 2018 | 2018 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
Which one of the following options is correct about the effects of steam stimulation in increasing the oil production rate? (I) Reduces the oil viscosity (II) Increases the formation damage (III) Reduces the interfacial tension (IV) Increases the oil viscosity
The microbial enhanced oil recovery method helps to recover oil by which one or more of the following phenomena?