Q.1 The standard project flood is
(A) Same as the probable maximum flood
(B) Same as the design flood
(C) Smaller than the probable maximum
flood
(D)Larger than the probable maximum
flood by a factor implying safety factor
[GATE 1991 : IIT Madras]
Q.2 Match List-I (Floods) with List-II
(Parameters) and select the correct answer
using the codes given below the lists:
[ESE : 2003]
List-I
A. Standard Project Flood (SPF)
B. Maximum Probable Flood (MPF)
C. Design Flood
D. Maximum Flood
List-II
1. Includes catastrophic floods
2. Includes floods of severe conditions
3. Peak flow obtained from observed data
4. Flood of desired recurrence interval
Codes:
A B C D
(A) 2 1 4 3
(B) 1 2 3 4
(C) 2 1 3 4
(D) 1 2 4 3
Q.3 That extreme flood that is physically
possible in a region from a severe-most
combination, including rare combination of
metrological and hydrological factors, is
designated as the [ESE : 2014]
(A)Design flood
(B) Standard project flood
(C) Probable maximum flood
(D)Flash flood
Q.4 The design flood for a culvert should be
preferably
(A) The probable maximum flood
(B) Obtained from statistical
considerations, say a flood of 50 years
return period
(C) The highest observed flood
(D) Obtained from a flood formula
[GATE 1993 : IIT Bombay]
Q.5 While applying the Rational formula for
computing the design discharge, the rainfall
duration is stipulated discharges, as the
time of concentration because
(A) This leads to the largest possible
rainfall intensity
(B) This leads to the smallest possible
rainfall intensity
(C) The time of concentration is the
smallest rainfall duration for which the
Rational formula is applicable
(D) The time of concentration is the largest
rainfall duration for which the Rational
formula is applicable
[GATE 2003 : IIT Madras]
Q.6 Dickens formula predicts maximum flood
discharge, Q, in terms of the area, A, and the
coefficient, c, as
n Q cA =
. The value of n is
(A) 0.25 (B) 0.50
(C) 0.67 (D)0.75
[GATE 1992 : IIT Madras]
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