Ferric chloride is effective over a pH range of – McqOptions

MCQOPTIONS

1.	Ferric chloride is effective over a pH range of
A.	3.5-6
B.	6.5-8
C.	3.5-6.5
D.	2-5
Answer» D. 2-5

Discussion

No Comment Found

Related MCQs

What will be the surface area of the basin for a flow of 2*106 litre per day having a surface loading rate 10,000 litre/day/m2?
In which device, the primary mixing is followed by a secondary reaction zone resulting in formation of sludge blanket?
Ferric chloride is effective over a pH range of
1cm per second settling velocity corresponds to a surface loading of ______ litre per day per m2
What is the settling velocity of the particle if its diameter is 2 * 10-3cm. Given G=2.65, viscosity v=8 * 10-3cm2/Sec?
Range of Displacement efficiency in the plain sedimentation tank is
The pulsator clarifier is a type of
Which of the following represents the correct relation between displacement velocity and diameter of the particle?
Which device solved the problem of unstable hydraulic conditions and operation of sludge removal equipment?
Which of the following statement is wrong regarding Iron salt?