Environmental Science and Engineering
2022 · Paper 1
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Complete GATE ES 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.
Question 40
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Which one of the following statements is NOT correct with respect to a batch reactor?
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A bag filter is used for removal of particulate matter having a range of sizes. The correct sequence of air filtration mechanisms for their removal, in order of decreasing size, is
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 42
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A relatively calm room has background sound power level (SPL) of 30 decibels (dB). A television and a radio with SPL of 80 dB and 70 dB, respectively, started operating simultaneously in this room. Given the reference sound power is
Watts, what will be the resulting SPL in the room, assuming all the sources operate independently?Your answerChoose one option.
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