Environmental Engineering in CE Presence of high concentration of ozone and smog in atmospheric air causes the Embrittlement & decrease of folding resistance of paper Cracking of rubber products Fading of dye on textiles Damage of electrical insulator on high tension power line Embrittlement & decrease of folding resistance of paper Cracking of rubber products Fading of dye on textiles Damage of electrical insulator on high tension power line ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in 'gas chamber' is about __________ ppm. 100-200 10-100 100-1000 100-200 10-100 100-1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a practical method of low level radioactive waste disposal? Disposing off in rivers & oceans Dilution with inert material Discharging to atmosphere through tall stacks after dilution Filling in steel crates and shooting it off out of earth Disposing off in rivers & oceans Dilution with inert material Discharging to atmosphere through tall stacks after dilution Filling in steel crates and shooting it off out of earth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Bi-carbonates Sulphides Carbonates Chlorides Bi-carbonates Sulphides Carbonates Chlorides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 1000 5 100 2000 1000 5 100 2000 ANSWER DOWNLOAD EXAMIANS APP
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