Which of the following is the most detrimental for water used in high pressure boiler ?

Related Mcqs:

Disinfection of water is done to destroy pathogenic bacteria and thus prevent water-borne diseases. Disinfection of water may be done by the use of_________________?

A. Ozone and iodine B. Chlorine or its compounds C. Ultraviolet light for irradiation of water D. All A., B. & C....

Out of the following, TLV of _______________ is maximum (about 500 ppm)?

A. Carbon dioxide B. Toluene C. Carbon disulphide D. Acetaldehyde...

Main pollutants released from iron & steel industry is__________________?

A. CO, CO2 & SO2 B. H2S, NO & SO3 C. CO2, H2S & NO2 D. SO3, NO2 & CO2...

80% less than 200 mesh size particles are called____________________?

A. Smoke B. Powder C. Grit D. Aggregates...

Carcinogenic air pollutants cause__________________?

A. Bone decay B. Cancer C. Asphyxiation (suffocation) D. Anemia...