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This section includes 27 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.
1. |
The maximum runoff occurs when the duration of storm equals the time of concentration. |
A. | True |
B. | False |
Answer» B. False | |
2. |
The Kuichlings formula when the storm occurs once in 10 years is ____________ |
A. | R = 2667/(t + 50) |
B. | R = 260/(t + 20) |
C. | R = 2667/(t + 20) |
D. | R = 260/t |
Answer» D. R = 260/t | |
3. |
When the storm occurs once a year, the rainfall intensity R is ____________ |
A. | R = 300/t0.625 |
B. | R = 150/t0.625 |
C. | R = 150/t2 |
D. | R = 300/t2 |
Answer» C. R = 150/t2 | |
4. |
Shorter the duration of rainfall ____ will be the rainfall intensity. |
A. | Lesser |
B. | Constant |
C. | Slightly lesser |
D. | Greater |
Answer» E. | |
5. |
The storm frequency for a peripheral commercial area is ____________ |
A. | Once a year |
B. | Twice a year |
C. | Once in 2 years |
D. | Once in a month |
Answer» D. Once in a month | |
6. |
The storm frequency for a peripheral residential area is ___ a year. |
A. | Once |
B. | Twice |
C. | Thrice |
D. | 4 times |
Answer» C. Thrice | |
7. |
The value of Fruhlings factor for suburban locality is ______ |
A. | 0.1 |
B. | 0.20 |
C. | 0.50 |
D. | 0.80 |
Answer» D. 0.80 | |
8. |
If the type of surface is of the most densely populated portion of the city, what is the value of Kuichling’s impermeability factor? |
A. | 0.14 |
B. | 0.30 |
C. | 0.80 |
D. | 0.45 |
Answer» D. 0.45 | |
9. |
Which of the following surface has a maximum Kuichling’s impermeability factor? |
A. | Gravel road |
B. | Water tight roof surface |
C. | Unpaved surface |
D. | Macadamized road ways |
Answer» C. Unpaved surface | |
10. |
The impermeability factor is also called as ____________ |
A. | Coefficient of impermeability |
B. | Runoff coefficient |
C. | Coefficient of permeability |
D. | Precipitation factor |
Answer» C. Coefficient of permeability | |
11. |
_______ is defined as the percentage of rain water in the form of runoff. |
A. | Storm water flow |
B. | Coefficient of permeability |
C. | Impermeability factor |
D. | Coefficient of consolidation |
Answer» D. Coefficient of consolidation | |
12. |
The value of the factor K in finding the storm water flow by Rational method is ____________ |
A. | 100 |
B. | 160 |
C. | 1 |
D. | 1/360 |
Answer» E. | |
13. |
The runoff in cumec by the Rational method is defined by ______________a) Q = K*A*I*Rb) Q = (K+A+I) *Rc) Q = (K+ |
A. | Q = K*A*I*R |
B. | Q = (K+A+I) *R |
C. | Q = (K+A) *R |
D. | Q = A*I*R |
Answer» B. Q = (K+A+I) *R | |
14. |
THE_STORM_FREQUENCY_FOR_A_PERIPHERAL_RESIDENTIAL_AREA_IS_____A_YEAR.?$ |
A. | Once |
B. | Twice |
C. | Thrice |
D. | 4 times |
Answer» C. Thrice | |
15. |
Shorter the duration of rainfall, ____ will be the rainfall intensity.$ |
A. | Lesser |
B. | Constant |
C. | Slightly lesser |
D. | Greater |
Answer» E. | |
16. |
The_storm_frequency_for_a_peripheral_commercial_area_is$ |
A. | Once a year |
B. | Twice a year |
C. | Once in 2 years |
D. | Once in a month |
Answer» D. Once in a month | |
17. |
________ is the time required by flood discharge to reach the maximum limit. |
A. | Storm frequency |
B. | Run-off time |
C. | Detention period |
D. | Time of concentration |
Answer» E. | |
18. |
The Kuichlings formula when the storm occurs once in 10 years is |
A. | R = 2667/ (t + 50) |
B. | R = 260/ (t + 20) |
C. | R = 2667/ (t + 20) |
D. | R = 260/ t |
Answer» D. R = 260/ t | |
19. |
When_the_storm_occurs_once_a_year,_the_rainfall_intensity_R_is |
A. | R = 300/ t <sup>0.625</sup> |
B. | R = 150/ t <sup>0.625</sup> |
C. | R = 150/ t <sup>2</sup> |
D. | R = 300/ t <sup>2</sup> |
Answer» C. R = 150/ t <sup>2</sup> | |
20. |
The value of Fruhlings factor for suburban locality is _____? |
A. | 0.10 |
B. | 0.20 |
C. | 0.50 |
D. | 0.80 |
Answer» D. 0.80 | |
21. |
If the type of surface is of the most densely populated portion of the city, what is the value of Kuichling’s impermeability factor?$ |
A. | 0.14 |
B. | 0.30 |
C. | 0.80 |
D. | 0.45 |
Answer» D. 0.45 | |
22. |
Which of the following locality has a minimum Fruhlings factor? |
A. | Business area |
B. | An area closely built up |
C. | Area with 50% attached and detached houses |
D. | Extremely suburban area |
Answer» E. | |
23. |
Which of the following surface has a maximum Kuichling’s impermeability factor?$ |
A. | Gravel road |
B. | Water tight roof surface |
C. | Unpaved surface |
D. | Macadamized road ways |
Answer» C. Unpaved surface | |
24. |
The impermeability factor is also called as |
A. | Coefficient of impermeability |
B. | Runoff coefficient |
C. | Coefficient of permeability |
D. | Precipitation factor |
Answer» C. Coefficient of permeability | |
25. |
_______ is defined as the percentage of rain water in the form of runoff. |
A. | Storm water flow |
B. | Coefficient of permeability |
C. | Impermeability factor |
D. | Coefficient of consolidation |
Answer» D. Coefficient of consolidation | |
26. |
The value of the factor K in finding the storm water flow by Rational method is |
A. | 100 |
B. | 160 |
C. | 1 |
D. | 1/360 |
Answer» E. | |
27. |
The runoff in cumec by the Rational method is defined by |
A. | Q = K*A*I*R |
B. | Q = (K+A+I) *R |
C. | Q = (K+A) *R |
D. | Q = A*I*R |
Answer» B. Q = (K+A+I) *R | |