Write the names of six laboratory tests to assess the quality of bituminous materials.
Draw contours with arbitrary values for a pond and a hill.
The areas enclosed by the contours in a lake are as follows:
Contour (m)
270
275
280
285
290
Area (m2)
2050
8400
16300
24600
31500
Calculate the volume of water between the contours 270m and 290m using the Prismoidal formula.
Draw qualitative Dissolved Oxygen variation curve in a flowing water body from a particular source of pollution.১৮
FEWC
SPARRSO
RRI
STP
BRT
IPCC
Write four major problems of using groundwater as a source of water supply in Bangladesh.
Write three major causes of riverbank failures in Bangladesh.
Salinity
Turbidity
Hardness
TDS
In a sieve analysis, 5% of the sample passes through 0.075 mm sieve and 25% passes through 4.75 mm sieve. Determine the % of coarse and fine aggregates as well as silt and clay materials.
Draw qualitative gradation curves for a well-graded and a gap-graded aggregate sample.
During a soil test, SPT value was found to be 20, explain its meaning. As a site engineer, at what stage will you stop the SPT test?
Write the names of the test to be performed to obtain the gradation or texture of fine grained soils?