95.
96.
97.
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100.
The detention period for plain sedimentation water tank is usually
A) 4 to 8 hours B) 8 to 16 hours
C) 16 to 24 hours D) 24 to 36 hours
The soil which contain finest grain particles
A) coarse sand B) fine sand
C) silt D) clay
Reynold’s number is the ratio of inertia force to
A) viscous force B) gravity force
C) surface tension D) friction
The theodolite is an i....
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