List of top Questions asked in CUET (PG)

If \(d=\) depth of flow, \(b=\) bottom width, \(\theta=\) angle of repose, then the most economical channel cross section for rectangular and trapezoidal section can be respectively expressed as _____.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The border and check basin method of irrigation have vertical movement of water whereas furrow irrigation have only lateral movement in soil. Reason R: The Kostiakov's infiltration function can be used to determine infiltration characteristic of soil. In the light of the above statements, choose the most appropriate answer from the options given below
• Both A and R are correct and R is the correct explanation of A
• Both A and R are correct but R is NOT the correct explanation of A
• A is correct but R is not correct
• A is not correct but R is correct

Consider the following for Crop Evapotranspiration estimation approaches A. Modified Blaney-Criddle method is only temperature based B. Modified Penman Monteith method requires more climate data C. Thornthwaite method is based on temperature data D. Crop coefficient is multiplied to get reference evapotranspiration by Pan evaporation method E. Radiation method requires air temperature and sunshine radiation Choose the correct answer from the options given below:

Under no wind conditions and at constant operating pressure the 100% overlapping is obtained when sprinklers are spaced at _____.

Consider the following statement for groundwater flow
• The water in confined aquifers is having pressure greater than atmospheric pressure.
• The unconfined aquifer is also known as water table aquifer.
• The unconsolidated type of formation have secondary porosity.
• The perched aquifer is a type of unconfined aquifer.
• Hydraulic conductivity has the dimension of velocity. Choose the correct answer from the options given below:

Which of the following is not a thermal property of a food material?

A \(20 \, \text{cm}\) diameter well is penetrating a confined aquifer. The rate of discharge is \(0.2 \, \text{m}^3/\text{sec}\), the drawdowns at \(10 \, \text{m}\) and \(30 \, \text{m}\) distance from the well are observed to be \(3.5 \, \text{m}\) and \(2 \, \text{m}\) respectively. Determine hydraulic conductivity and transmissivity of aquifer.

Choose the correct sequence for irrigation scheduling of crops using climatological approach. A. Reference ET, Crop Coefficient, Climate data, Crop ET, Irrigation efficiency, Irrigation time B. Crop ET, Reference ET, Crop Coefficient, Irrigation efficiency, Climate data, Irrigation time C. Irrigation time, Climate data, Crop coefficient, Reference ET, Crop ET, Irrigation efficiency D. Climate data, Reference ET, Crop coefficient, Crop ET, Irrigation efficiency, Irrigation time Choose the correct answer from the options given below:

A centrifugal pump at its best point of efficiency discharges \(0.04 \, \text{m}^3/\text{sec}\) against a total head of \(42 \, \text{m}\). When the speed of pump is \(1370 \, \text{rpm}\), compute the specific speed of the pump.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The zone of aeration consists of three belts viz., (1) soil water belt (2) intermediate belt and (3) capillary fringe. Reason R: In the zone of saturation all the macropores are filled with air. In the light of the above statements, choose the most appropriate answer from the options given below
• Both A and R are correct and R is the correct explanation of A
• Both A and R are correct but R is NOT the correct explanation of A
• A is correct but R is not correct
• A is not correct but R is correct

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The total available water for plant growth (TAW) is the water between field capacity and ultimate wilting point. Reason R: The maximum allowable deficit (MAD) is a part of total available water (TAW) and is usually considered as \(50%\) of TAW. In the light of the above statements, choose the most appropriate answer from the options given below:
• Both A and R are correct and R is the correct explanation of A
• Both A and R are correct but R is NOT the correct explanation of A
• A is correct but R is not correct
• A is not correct but R is correct

A soil is having a field capacity of \(42%\) and permanent wilting point of \(19%\). If irrigation has to be done at \(40%\) depletion of available moisture, at what soil moisture percentage the field is to be irrigated?

In curve number method if \(Q\) is actual runoff, \(P\) is rainfall, \(I_a\) is initial abstraction and \(S\) is storage capacity, then the relationship is shown by:

In irrigation, the relationship between water content on mass basis \( \theta_m \), volume basis \( \theta_v \), bulk density of soil \( \rho_s \) and density of water \( \rho_w \) can be expressed as:

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: The clayey soil can retain more water due to more pore space than sandy soil. Reason R: The sandy soil can release more water due to low soil water tension than clayey soil. In the light of the above statements, choose the most appropriate answer from the options given below:
• Both A and R are correct and R is the correct explanation of A
• Both A and R are correct but R is NOT the correct explanation of A
• A is correct but R is not correct
• A is not correct but R is correct

Using current meter for measuring flow velocity in a stream having depth of \(1 \, \text{m}\), the observation readings should be taken at:
• at \(0\) depth of flow
• at \(0\) and \(0.2\) depth of flow
• at \(0.2\) and \(0.6\) depth of flow
• at \(0.2\) and \(0.8\) depth of flow

The hydrograph is useful to estimate:

If \( n \) is the number of years, \( T \) is recurrence interval in years and \( m \) is ranking of rainfall event, then the recurrence interval given by Weibull formula is:

The following is the non-recording type rain gauge:
• Float type rain gauge
• Symons rain gauge
• Weighing type rain gauge
• Tipping bucket rain gauge