For portable water, the highest desirable level of chloride content is
A250 mg/I.
B(B) 600 mg/l
C(C) 500 mg/l
D(D) 150 mg/l
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
Pug mill is used to (a)
A line joining the optical centre of the object glass to the centre of the eye pieceof a level is
The horizontal angle, which a line makes with the magnetic meridian is called
The neutral axis of a section is an axis at which the bending stress is
The ratio of maximum deflection of a beam to its span is called