First slide

Air Pollution and its Control

Question

In a thermal power plant, 99 per cent particulate matter present in the exhaust is removed by

Easy

A

mass spectrometer (MS).
B

electrostatic precipitator (ESP).
C

matrix assisted laser desorption ionization (MALDI).
D

magnetic resonance imaging (MRI).

Solution

Electrostatic precipitator can remove over 99 per cent particulate matter present in the exhaust from a thermal power plant.
Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio of ions.
MALDI-TOF-MS (Matrix Assisted Laser desorption / ionisation) - Time of Flight - Mass Spectrometry) is used in the identification of proteins, by peptide mass fingerprinting (PMF).
MRI uses strong magnetic fields and non-ionising radiations to accurately detect pathological and physiological changes in the living tissue.

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