GATE CE 2022 Set 2 — Question 61
Go beyond PYQs with Success TrackerAI-powered personalised practice and doubt support. Unlimited practice on eligible plans; AI usage limits apply.NAT+2 / -0MediumAir Quality StandardsAir PollutionEnvironmental Engineering
Environmental Engineering → Air Pollution → Air Quality Standards
Last updated
Question
A sample of air analyzed at and pressure is reported to contain of . Atomic mass of .The equivalent concentration (in ) will be__________. (round off to the nearest integer)
Correct answer
102 to 108
Solution
The concentration in is given by the formula:Where is the molar volume of an ideal gas at the given temperature and pressure.
1.Molecular Weight of : .
2.Molar Volume (): At () and , using the ideal gas constant :
3.Calculation:
Rounding to the nearest integer, we get . The official range is to .Continue learning with Success Tracker
A step still unclear? Work through it with support
Use Success Tracker to ask about the reasoning, then try another GATE CE question to check your understanding.
AI-powered practice· Unlimited practice on eligible plans
- PYQs with solutions
- Attempt available previous-year questions, then compare your reasoning with the worked solution. Coverage varies by stream.
- Practice that adapts
- Choose a topic, work on weaker areas and bookmark questions to revisit. Your attempts feed your progress tracking.
- AI doubt support
- Ask follow-up questions about a step or concept while practising, instead of stopping at the final answer.
Unlimited practice is available on eligible plans. Free practice and AI usage have limits; check the current plan allowances before choosing.
This page stays readable without an account. AI responses can be wrong; check them against the solution and source material.
More questions on Air Pollution
2026 Set 1 Q21A rapid sand filter bed of depth m has % porosity during service cycle. It is…2026 Set 1 Q22The settling velocity of inorganic particles in the sedimentation tank of a water treatment plant…2026 Set 1 Q25Which of the following components is/are NOT removed in the secondary treatment of sewage?2026 Set 2 Q27Column I presents common air pollutants, and column II presents treatment technologies commonly…2026 Set 2 Q28One-third of the solid matter in a sludge containing water is composed of fixed mineral…