MCQ
741. The uplift pressure on a dam can be controlled by (i) Constructing cut-off under upstream face (ii) Constructing drainage channels between the dam and its foundation (iii) By pressure grouting in foundation The correct answer is
Only (i)
Both (i) and (ii)
Both (i) and (iii)
(1), (ii) and (iii)
742. স্বল্প সময়ে সহজে ঘের দেওয়ার জন্য করা হয়-
তদন্ত জরিপ
বাস্তু জরিপ
প্লেন টেবিল জরিপ
থিওডোলাইট জরিপ
743. Pick up the correct statement from the following:
Perched aquifer is found in unconfined aquifer
The top surface of the water held in the perched aquifer, is known as perched water table
Perched aquifer is formed in unfined acquirer if an impervious layer exists
All the above
744. Pick up the correct statement from the following:
Rivers, lakes, oceans and springs get water from the rains
Rain water is obtained by evaporation from rivers, lakes and oceans
Water remains in atmosphere as vapours
All the above
745. The maximum average depth due to one day storm over an area of 100 km² is 100 mm. DepthArea- Duration (DAD) curves indicate the same area of 100 km³ the maximum average depth for a 3 hour storm will be
100 mm
More than 100 mm
Less than 100 mm
None of the above
746. method requires the following data pertaining annual flood series (1) Mean value (ii) Standard deviation (iii) Length of record (iv) Coefficient of skew The correct answer is
(i) and (ii)
(i) (i) and (iii)
(i), (ii) and (iv)
(i), (ii), (int) and (iv)
747. গুলনসহ চিমটা যন্ত্রটি ব্যবহৃত হয়-
কম্পাস জরিপে
শিকল জরিপে
প্লেন টেবিল জরিপে
থিওডোলাইট জরিপে
748. পাহাড়িয়া এলাকায় স্বল্প সময়ে কোন জরিপ সহজে করা যায়?
তদন্ত জরিপ
প্লেন টেবিল জরিপ
বাস্তু জরিপ
থিওডোলাইট জরিপ
749. A river training work is generally required when the river is
Aggrading type
Degrading type
Meandering type
Both (A) and (B)
750. চান্দা কি ধরনের স্টেশন?
স্থায়ী
পাকা
অস্থায়ী
ত্রিসীমানা
751. Non-recording rain gauges
Collect the rain whose volume is measured by means of graduated cylinders
Collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
Collect the rain which is directly measured by means of graduated cylinders in centimetres of water depth
Are cylindrical in shape
752. Pick up the correct statement from the following:
The portion of pellicular water which remains unutilised, is called hygroscopic, water
The moisture content at which permanent wilting of plants takes place, is called the wilting point
The moisture deficiency will be different at different points
All the above
753. For a proportional outlet, the flexibility is
Zero
Between zero and 1
1
Greater than 1
754. . If a gauge is installed perpendicular to the slope, its measurement is reduced by multiplying
Sine of the angle of inclination with vertical
Cosine of the angle of inclination with vertical
Tangent of the angle of inclination with vertical
Calibration coefficient of
755. Pick up the correct statement from the following:
The zone below water table, is called zone of saturation Book
The zone above water table, is called acration
The water which exists in the zone of saturation, is called ground water
All the above
756. From the Survey of India map, the distance of the critical point is 20 km and difference in elevation is 193 m. The over land flow time, is
2 hours
3 hours
2 hours and 30 minutes
4 hours
757. From the pattern of the rainfall shown in the below figure, the total precipitation is
4 cm
4.5 cm
5 cm
5.5 cm
758. The stream which does not have any base flow contribution is called
Perennial stream
Intermittent stream
Ephemeral stream
None of the above
759. ছোট স্কেলের নকশায়নে বিশেষ উপযোগী-
কম্পাস জরিপ
শিকল জরিপ
প্লেন টেবিল জরিপ
থিওডোলাইট জরিপ
760. The aqueduct or super-passage type of works are generally used when
High flood drainage discharge is small
High flood drainage discharge is large and short lived
High flood drainage discharge is large and continues for a long time
None of the above