Related Questions

A swimming pool is initially filled to a depth of 96 inches. After 2 weeks, the depth has decreased to9212 inches. Assuming that the depth decreased at a constant rate, after how many days would the water depth have reached 9334 inches?
A 3
B 9
C 7
D 6
As compared to gravity dams, earthen dams
A are costlier
B are less susceptible to failure
C require sound rock foundations
D require less skilled labour
Gold is 19 times as heavy as water and Copper is 9 times as heavy as water. Calculate the ratio in which these two metals should be mixed so that the mixture is 15 times as heavy as water.
A 40
B 41
C 42
D 43
For wave action in dams, the maximum height of freeboard is generally taken to be equal to (where hw is height of wave.)
A 0.5 hw
B 0.75 hw
C 1.25 hw
D 1.50 hw
L is older than M and taller than N. O is younger than P, older than N and shorter than Q. R is older than S, younger than N, shorter than S and taller than Q. S is older than L, M, O, P, Q, R and S is necessarily false?
A O is the shortest of the group.
B N is the second tallest of the group.
C L is the tallest of the group.
D Q is the third oldest of the group.
Seepage through embankments in an earthen dam is controlled by
A drainage filters
B relief wells
C drain trenches
D provision of downstream berms
Most suitable material for highway embankments is
A granular soil
B organic soil
C silts
D clays
The side slope of embankments for a railway track is generally taken as
A 1:1
B 1.5:1
C 2:1
D 1:2
If the depth of water in an open channel is less than the critical depth, the flow is called
A Critical flow
B Turbulent flow
C Tranquil flow
D Torrential flow
If w is 10% less than x, and y is 30% less than Z, then why is what percent less than xz?
A 10%
B 20%
C 37%
D 40%

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