Correct answer
B. ε1.ε2/(ε1 + ε2 – ε1.ε2)
Explanation
The correct answer is ε1.ε2/(ε1 + ε2 – ε1.ε2).
Fixed charges for a chemical plant does not include the________?
Rate of slag attack on refractories increases with rise in temperature due to the________?
Which of the following sources is responsible for maximum air pollution?
Plate efficiency in a distillation column is reduced due to the ________ of liquid?
Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles)?
6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H2 produced will be ________ gm?