134. For high flood estimates the average value of the constant C in Dicken's formula Q = CA3I4 , is
A.6.5
B.8.5
C.9.5
D. 11.5.
135. Ryve's formula for flood estim te in cumecs, is
A. Q CA3I4
B. = CA2I3
C. Q = CA112
D. Q = CA114
136. For the estimate of high floods in fan-shaped catchment, the formula used is
A. Dicken's formula
B. Ryve's formula
C. Inglis formula
D. none of these.
137. Burge formula Q -= 19.6 L2/3 cumecs is based upon
A. rainfall and drainage area
B. run off and drainage area
C. drainage area and its shape
D. drainage area.
138. Pettis formula Q = C (P.B)5I4 cumecs, is based upon
A. rainfall and drainage area
B. run off and drainage area
C. drainage area and its shape
D. drainage area.
139. Boston society of Civil Engineer's formula Q = 0.0056 D in cumecs/square km is based upon
A. rainfall and drainage area
B. total run off and drainage area
C. drainage area and its shape
D. drainage area.
140. For predicting floods of a given frequency, the best reliable method is
A. Unit hydrograph method
B. Gumbel's analytical method
C.California method
D. None of these.
Page 20 of 21