Related Questions

The length of a plot is 80 m. and the breadth is 60 m. A pond was excavated in the plot. If the width of each side of the border around the pond is 4 meter, determine the area of the border of the pond.
A 1000 m2
B 1056 m2
C 1028 m2
D 1065 m2
A shallow pond in which the sewage is retained and biologically treated is called
A Oxidation
B Imhoff tank
C Lagoon
D Skimming tank
The receptionist at a veterinary clinic reviewed the office records and found that 3 out of every 8 animals treated at the clinic during the last 4 months were cats. At this rate, how many cats will be treated during the next 12 weeks if a total 288 animals are treated ?
A 108
B 96
C 36
D 24
M and N can dig a pond in 6 days, the how many days N needs to dig the pond alone?
A 12
B 9
C 19
D 10
The type of plant and animal life living in and around a pond depends on the soil of the pond -------, and the pon's location.
A what the quality of the water is
B how is the water quality
C the quality of the water
D What is the water quality
On an areial photograph, the surface of a pond appears as a circular region of radius 7/16 inch.If a distance of 1inch on the photograph correspondence to a actual distance of 2miles.Which of the following of closest estimate of actual surface of the area of pond,in square miles?
A 1.3
B 2.4
C 3.0
D 3.8
There are two buckets, smaller bucket can hold only 3/5th of the water as compared to the larger bucket. If 6,000 buckets of larger capacity are needed to fill a pond. Then how many smaller capacity buckets are needed to fill the same pond?
A 8000
B 10000
C 12000
D 15000
When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are
A Longitudinal
B Transverse
C Both longitudinal and transverse
D Waves are not produced
During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank.
A Filtration
B Digestion
C Sedimentation
D Both B and C
Fine grit present in sewage is removed in the __________ during sewage treatment.
A Grit chamber
B Detritus tank
C Trickling filter
D Skimming tank

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