The maximum permissible limit for flouride in drinking water is______________?

Related Mcqs:

The population of a town in three consecutive years are 5000, 7000 and 8400 respectively. The population of the town in the fourth consecutive year according to geometrical increase method is________________?

A. 9500 B. 9800 C. 10100 D. 10920...

The self cleansing velocity for all sewers in India is usually_________________?

A. less than 1.0 m/sec B. 1.0 m/sec to 1.2 m/sec C. 1.5 m/sec to 2.0 m/sec D. 3.0 m/sec to 3.5 m/sec...

The working conditions in imhoff tanks are_______________?

A. aerobic only B. anaerobic only C. aerobic in lower compartment and anaerobic in upper compartment D. anaerobic in lower compartment and aerobic in upper compartment...

The treatment of water with bleaching powder is known as________________?

A. prechlorination B. super chlorination C. dechlorination D. hypochlorination...

Assertion A : The consumption of water increases with increase in the distribution pressure. Reason R : Higher distribution pressure causes more loss and waste of water. Select your answer according to the coding system given below?

A. Both A and R are true and R is the correct explanation of A B. Both A and R are true but R is not the correct explanation of A C. A is true but R is false D. A is false but R is true...