Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Unconventional Hydrocarbon Resources - Latest Trends in Petroleum Engineering - 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 Unconventional Hydrocarbon Resources. 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) 2021 | 2021 | 1 | View paper |
| Petroleum Engineering (PE) 2019 | 2019 | 2 | View paper |
| Petroleum Engineering (PE) 2018 | 2018 | 2 | View paper |
| Petroleum Engineering (PE) 2017 | 2017 | 4 | View paper |
| Petroleum Engineering (PE) 2016 | 2016 | 2 | View paper |
Practice every matching question in batches of 20, with every available option.

A CO2 laser in continuous mode is used for drilling a plate. The process parameters and their values are
| Laser power intensity | 1×108 W/mm2 |
|---|---|
| Vaporization energy | 5×106 J/mm3 |
| Efficiency of the process | 15 % |
| Laser spot diameter | 200 micrometer |

From the options given below, identify the process through which coal bed methane is produced.