Jatin Ragav is reading fast, looking for specific information in a machinery manual. What is this reading sub skill known as ?

The correct answer is Scanning.

Understanding Reading Sub-Skills:

1. Scanning: This is a fast reading technique used when a reader is searching for specific information or data points (such as keywords, numbers, or specific facts) within a text without reading every word in detail. In the given scenario, Jatin Ragav is reading fast to find specific information in a machinery manual, which is the exact definition of scanning.

2. Skimming: This reading technique involves reading quickly to get a general idea or main gist of the overall content, rather than searching for specific isolated facts.

3. Bottom-up reading: This is a reading decoding process where the reader builds understanding by starting from smallest linguistic units (letters, words, sentences) and moving upward to comprehension of the full text.

4. Critical reading: This involves reading deeply to analyze, evaluate, and interpret the text's arguments and validity.

Therefore, the sub-skill being used to quickly locate specific information in a manual is Scanning.