A. equal to rate of rainfall
B. equal to infiltration capacity
C. more than rate of rainfall
D. more than infiltration capacity
Related Mcqs:
- The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?
A. 50 mm
B. 60 mm
C. 90 mm
D. 140 mm - Assertion A : To estimate the rainfall over a catchment, the number of raingauges required per unit area is large for hilly areas. Reason R : Rainfall gradient is steep. Select your correct answer according to the coding system given below ?
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not the correct explanation of A
C. A is true but R is false
D. A is false but R is true - A 6 hours storm had 4 cm of rainfall and the resulting runoff was 2 cm. If <j) index remains at the same value, the runoff due to 10 cm of rainfall in 12 hours in the catchment is___________________?
A. 4.5 cm
B. 6.0 cm
C. 7.5 cm
D. 9.0 cm - The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by_____________?
A. (0.99)10
B. 1 – (0.99)10
C. (0.9)’00
D. l-(0.9)100 - Infiltration rate is always________________?
A. more than the infiltration capacity
B. less than the infiltration capacity
C. equal to or less than the infiltration capacity
D. equal to or more than the infiltration capacity - The depth of water required to bring the soil moisture content of a given soil upto its field capacity is called_________________?
A. hygroscopic water
B. equivalent moisture
C. soil moisture deficiency
D. pellicular water - Infiltration capacity_________________?
A. is a constant factor
B. changes with time
C. changes with location
D. changes with both time and location - Infiltration is the_______________?
A. movement of water through the soil
B. absorption of water by soil surface
C. both (A) and (B)
D. none of the above - The ratio of the average load to the installed capacity of the plant whose reserve capacity is zero will be equal to__________________?
A. load factor
B. plant factor
C. utilisation factor
D. both (A) and (B) - Variability of rainfall is____________?
1) largest in regions of high rainfall
2) largest in coastal areas
3) largest in regions of scanty rainfall
The correct answer is?A. only (1)
B. (1) and (2)
C. only (3)
D. (2) and (3)
