Which one of the following resists hydrogen sulphide corrosion ?

Related Mcqs:

Pick up the correct statement from the following ?

A. Rate of digestion of sludge is more at higher temperature B. Thermophilic organisms digest the sludge if the temperature ranges from 40° to 60°C C. Mesophilic organisms digest the sludge if the temperature is between 25° and 40°C D. All the above...

A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is____________________?

A. 100 B. 1000 C. 5000 D. 10000...

If the grit in grit chambers is 4.5 million litres per day, its cleaning is done____________________?

A. Manually B. Mechanically C. Hydraulically D. Electrically...

The ratio of minimum hourly flow to the average flow of sewage is_________________?

A. 1/4 B. 1/3 C. 1/2 D. 3/4...

For trunk and out-fall, the type of sewers generally used, is_____________________?

A. Standard egg shaped B. Circular shaped C. Horse shoe shaped D. Parabolic shaped...