Explore topic-wise MCQs in Environmental Engineering.

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