Environmental Engineering The type of valve, which is provided on the suction pipe in a tube-well, is Sluice valve Pressure relief valve Air relief valve Reflux valve Sluice valve Pressure relief valve Air relief valve Reflux valve ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The effective size of sand particles used in slow sand filters is 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm 1.00 to 1.80 mm 0.25 to 0.35 mm 0.60 to 1.00 mm 0.35 to 0.60 mm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The percentage of chlorine in fresh bleaching powder is about 20 to 25 40 to 50 30 to 35 10 to 15 20 to 25 40 to 50 30 to 35 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Both suspended and dissolved impurities None of these Suspended impurities Dissolved impurities Both suspended and dissolved impurities None of these Suspended impurities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? Egg shaped sewer Rectangular sewer Circular sewer None of these Egg shaped sewer Rectangular sewer Circular sewer None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The amount of coagulant needed for coagulation of water increases with (i) Increase in turbidity of water (ii) Decrease in turbidity of water (iii) Increase in temperature of water (iv) Decrease in temperature of water The correct answer is (ii) and (iii) (i)and(iv) (i) and (ii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (ii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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