Question
In a BOD test
using 5% dilution of the sample (15 ML of sample and 285 mL of dilution
water), dissolved oxygen values for the sample and dilution water blank
bottles after five days incubation at `20^circ`C were 3.80 and 8.80 mg/L.
respectively. Dissolved oxygen originally present in the undiluted
sample was 0.80 mg/L. The 5-day `20^circ`C BOD of the sample is
Answer: Option D
Submit Your Solution Below and Earn Points !
Submit Your Solution Below and Earn Points !
More Questions on This Topic :
Question 2.
Two completely penetrating wells are located....
Question 3.
Flow at critical depth takes place in an ope....
Question 4.
Cavitation is caused by
....
Question 5.
A road is
provided with a horizontal circu....
Question 6.
A test plate 30
cm x 30 cm resting on a sa....
Question 9.
For a 'best'
symmetrical trapezoidal secti....
Question 10.
Sand drains are used to :
....
Latest Videos
Latest Test Papers
Submit Solution