Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Ammonia Acetylene Carbon monoxide Hydrogen Ammonia Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The ratio of oxygen available to the oxygen required for stabilisation of sewage is called the Oxygen ion concentration Biological oxygen demand (BOD) Relative stability Bacterial stability factor Oxygen ion concentration Biological oxygen demand (BOD) Relative stability Bacterial stability factor ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Black Dark brown Red Grey Black Dark brown Red Grey ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sulphur dioxide present in the industrial chimney exhaust gases causes Corrosion of building materials All of these Respiratory & lung disease Reduction in plant's productivity owing to acid rain Corrosion of building materials All of these Respiratory & lung disease Reduction in plant's productivity owing to acid rain ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Scale formation Water-borne disease Corrosion Dental cavities Scale formation Water-borne disease Corrosion Dental cavities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Total count Presumptive Electometric EDTA Total count Presumptive Electometric EDTA ANSWER DOWNLOAD EXAMIANS APP