CONTENTS Numbers HCF and LCM Progressions Averages, Mean, Mode and Median Algebraic Formulae and Their Application Polynomials Inequations Quadratic Equation with Application to Inequalit...
CONTENTS Characteristics of Sound and Its Measurement Power of Sound (W) Sound Intensity (I) Levels of Noise Averaging Sound Pressure Levels Noise Rating Systems Noise Level Standards Sources of...
CONTENTS Classification of Air Pollution Sources of Air Pollution Effects of Air Pollution Air Pollution Meteorology Inversions Wind Velocity Profiles Stack Plumes Air Pollution Control Composition of...