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Civil Engineering - UPSC Civil Service Exam Questions

Exercise : UPSC Civil Service Exam Questions - Section 12
46.
If the CBR value obtained at 5 mm penetration is higher than that at 2.5 mm, then the test is repeated for checking ; and if the check test reveals a similar trend, then the CBR value is to be reported as the
Mean of the values for 5 mm and 2.5 mm penetrations
Higher value minus the lower value
Lower value corresponding to 2.5 mm penetration
Higher value obtained at 5 mm penetration
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
If a descending gradient of 1 in 25 meets an ascending gradient of 1 in 40, then the length of valley curve required for a headlight sight distance of 100 m will be
30 m
130 m
310 m
630 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
In rock masses reduction in strength occurs due to the presence of relatively large quantities of
silica
iron oxides
orthoclase
hornblende
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
What is the zone where fish life might tend to progressively dwindle when waste water, is discharged into a river, called ?
zone of degradation
zone of active decomporsition
zone of mixing
zone of recovery
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Which one of the following states of field compaction of sand deposit truly represents the corrected standard penetration test value : N (corrected) = 27 ?
Loose
Medium dense
Dense
Very dense
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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