Environmental Engineering in CE __________ is removed from water by lime-soda process. Permanent hardness Temporary hardness Iron and manganese Foul smell and taste Permanent hardness Temporary hardness Iron and manganese Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are None of these Parasitic Anerobic Saprophytic None of these Parasitic Anerobic Saprophytic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 1 7 82 19 1 7 82 19 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators High voltage electrical equipments Dermatological photo-therapy equipments Xerox machines Refrigerators ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 6.2 7.3 1.8 13.4 6.2 7.3 1.8 13.4 ANSWER DOWNLOAD EXAMIANS APP
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