Environmental Engineering in CE Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes Asphyxiation (suffocation) Shortness of breath All of these Tuberculosis Asphyxiation (suffocation) Shortness of breath All of these Tuberculosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Corrosion Dental cavities Water-borne disease Scale formation Corrosion Dental cavities Water-borne disease Scale formation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible concentration (i.e. TLV) of DDT in public water supply system is __________ micro gram (μ g)/litre. 332 2 1050 42 332 2 1050 42 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Tanneries Glass & ceramic Beverages Any of these Tanneries Glass & ceramic Beverages Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a source of ozone emission in the atmosphere? Refrigerators Xerox machines Dermatological photo-therapy equipments High voltage electrical equipments Refrigerators Xerox machines Dermatological photo-therapy equipments High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Solid content in most of the domestic sewage is about __________ percent. 10 5 0.001 0.1 10 5 0.001 0.1 ANSWER DOWNLOAD EXAMIANS APP
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