ONR 002 Solved Assignment 2022-23

 

ONR 002 Solved Assignment 2022-23

Basics of Hydrology

ONR 002 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

Course Code: ONR 002

Course Title: Basics of Hydrology

Maximum marks: 50

1. (a) Describe the rainfall intensity-duration-frequency relationship. Write its importance?

5

(b) Define runoff. How weather conditions affect the runoff, discuss?

5

2. (a) Explain the curve number method of direct runoff estimation. Compute potential maximum retention if curve number (CN) is 80.

5

(b) Describe the arithmetic mean method for estimation for missing rainfall data.

5

3. (a) What is water budget? Write mathematical equation of water balance and define its different terms.

5

(b) Explain velocity area method of runoff measurement.

5

4. (a) Explain physical and chemical characteristics of water quality.

5

(b) Describe Normal Ratio Method for estimation of missing rainfall data. The normal annual rainfall at station A, B, C and D in a catchment 770, 621, 530 and 474 mm respectively during the year 2019. The station C was out of order and annual precipitations for station A, B and D were recorded as 670, 554 and 365 mm respectively. Estimate the rainfall at station C in the year 2019.

5

5. Differentiate between the following: 4×2.5=10

(i) Evaporation and transpiration.

(ii) Recording type and non recording type of rain gauge.

(iii) Point source and non point source surface water pollution.

(iv) Effluent and influent flow.

ONR 002 Solved Assignment 2021-22 : All assignments are in PDF format which would be send on email/WhatsApp (9958676204) just after payment.

POST GRADUATE DIPLOMA IN AUDIO PROGRAMME PRODUCTION Certificate Programmes CWHM ASSIGNMENTS

Dear Learner,

You have to submit one assignment in each course, i.e. ONR 002, ONR 003. All these are Tutor Marked Assignments (TMAs). Before attempting the assignments, please read the instructions provided in the Programme Guide carefully.

Kindly note, you have to submit these assignments to the Coordinator of your Study Centre within the stipulated time for being eligible to appear in the term-end examination. You must mention your Enrolment Number, Name, Address, Assignment Code and Study Centre Code on the first page of the assignment. You must obtain a receipt from the Study Centre for the assignments submitted and retain it. Keep photocopies of the assignments with you.

After evaluation, the assignments have to be returned to you by the Study Centre. Please insist on this and keep a record with you. The marks obtained by you will be sent by the Study Centre to the Student Evaluation Division at IGNOU, New Delhi.

Guidelines for Doing Assignments

There are five questions in each assignment, all carry equal marks. Attempt all the questions in not more than 500 words (each). You will find it useful to keep the following points in mind:

Planning: Read the assignments carefully. Go through the units on which they are based, make some points regarding each question and then rearrange them in a logical order

Organization and Presentation: Be analytical in your selection of the information for your answer. Give adequate attention to the introduction and the conclusion. Make sure that your answer is logical and coherent; has a proper flow of information.

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