A 70% index of wetness means_______________?
A. rain excess of 30%
B. rain deficiency of 30%
C. rain deficiency of 70%
D. none of the above
A. rain excess of 30%
B. rain deficiency of 30%
C. rain deficiency of 70%
D. none of the above
A. 1 hour
B. one-fourth of basin lag
C. one-half of basin lag
D. equal to basin lag
A. 0 and wH212
B. wH2/2and wH2/3
C. wH and 0
D. OandwII
where w is unit weight of water and H is the depth of water
A. depends on depth of approach and upstream slope
B. depends on downstream apron interference and downstream submergence
C. remains constant
D. both (A) and (B)
A. low sodium water
B. medium sodium water
C. high sodium water
D. very high sodium water
A. V2 Q m3/sec
B. 0.5 Q mVsec
C. 2 Q m3/sec
D. 4 Q m3/sec
1) Water pressure
2) Self weight
3) Uplift
4) Pressure due to earthquake
The correct answer is
A. Only (2)
B. (1), (2) and (3)
C. (1), (2) and (4)
D. (1), (2), (3) and (4)