Question46:-In a liquid limit test, the moisture content at 10 blows was 70% and that at 100 blows was 20%. The liquid limit

D:-None of these
Correct Answer:- Option-C
Question47:-The specific yield of soil depends upon
A:-Compaction of stratum
B:-Distribution of pores
C:-Shape and size of particles
D:-All the above
Correct Answer:- Option-D
Question48:-'Loess' is silty clay formed by the action of
A:-Water
B:-Glacier
C:-Wind
D:-Gravitational force
Correct Answer:- Option-C
Question49:-Soils containing organic matters
A:-Are of spongy nature
B:-Swell with decrease of moisture
C:-Shrink with increase of moisture content
D:-None of these
Correct Answer:- Option-A
Question50:-A direct shear test possesse the following disadvantage
A:-A relatively thin thickness of sample permits quick drainage
B:-A relatively thin thickness of sample permits quick dissipation of pore pressure developed during the test
C:-As the test progresses the area under shear, gradually changes
D:-None of these
Correct Answer:- Option-C
Question51:-The neutral stress in a soil mass is
A:-Force per neutral area
B:-Force per effective area
C:-Stress taken up by the pore water
D:-Stress taken up by ടല particles
Correct Answer:- Option-C
Question52:-When a canal is carried over a natural drainage, the structure provided, is known as
A:-Syphon
B:-Aqueduct
C:-Super passage
D:-Syphon-aqueduct
Correct Answer:- Option-B
Question53:-Groynes are generally built
A:-Perpendicular to the bank
B:-Inclined up stream up to "30 “5
C:-Inclined down stream up to *30 *
D:-All the above
Correct Answer:- Option-B
Question54:-The sinuosity of a meander is the ratio of
A:-Meander length and the width of meander
B:-Meander length and half width of the river
C:-Curved length and the straight distance
D:-None of these
Correct Answer:- Option-C
Question55:-Pick up the correct statement from the following :
A:-Landing speed is directly proportional to the wing loading
B:-Wing loading remaining constant, the take off distance is directly proportional to the power loading
C:-Neither 1) nor 2}