Environment & Ecology · Environment
Choose the CORRECT statements about air pollution control methods: A. Impaction of particles is directly proportional to particle density and diameter squared. B. Probability of resuspension of particles is inversely proportional to particle diameter. C. In cyclones, the centrifugal force produced by rotational motion of fluid is directly proportional to the square of the tangential velocity. D. Activated alumina and silica gel are common water vapor collection materials used in adsorptive dehumidifiers. E. Baghouse dust collectors do not work on the principle of sedimentation and electrostatic attraction of particles.
- 1A, C, D and E only
- 2A, C and D only✓
- 3A, B, C and E only
- 4A, B, C and D only
Correct answer
A, C and D only
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