MCQ
741. Silt excluders are constructed on the
River bed upstream of head regulator
River bed downstream of head regulator
Canal bed upstream of head regulator
Canal bed downstream of head regulator
742. . 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
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. গুলনসহ চিমটা যন্ত্রটি ব্যবহৃত হয়-
কম্পাস জরিপে
শিকল জরিপে
প্লেন টেবিল জরিপে
থিওডোলাইট জরিপে
745. For a proportional outlet, the flexibility is
Zero
Between zero and 1
1
Greater than 1
746. ছোট স্কেলের নকশায়নে বিশেষ উপযোগী-
কম্পাস জরিপ
শিকল জরিপ
প্লেন টেবিল জরিপ
থিওডোলাইট জরিপ
747. In case of non-availability of space due to topography, the most suitable spillway is
Straight drop spillway
Shaft spillway
Chute spillway
Ogee spillway
748. স্বল্প সময়ে সহজে ঘের দেওয়ার জন্য করা হয়-
তদন্ত জরিপ
বাস্তু জরিপ
প্লেন টেবিল জরিপ
থিওডোলাইট জরিপ
749. 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
750. 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)
751. 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
752. 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
753. h flood estimate, is useful only for the catchments in
Southern India
Northern India
Eastern India
Western India
754. 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
755. পাহাড়িয়া এলাকায় স্বল্প সময়ে কোন জরিপ সহজে করা যায়?
তদন্ত জরিপ
প্লেন টেবিল জরিপ
বাস্তু জরিপ
থিওডোলাইট জরিপ
756. 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
757. 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
758. চান্দা কি ধরনের স্টেশন?
স্থায়ী
পাকা
অস্থায়ী
ত্রিসীমানা
759. A river training work is generally required when the river is
Aggrading type
Degrading type
Meandering type
Both (A) and (B)
760. The stream which does not have any base flow contribution is called
Perennial stream
Intermittent stream
Ephemeral stream
None of the above