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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Test  >  GATE 2027 Mock Test Series  >  Test: Hydrographs - 3 - Civil Engineering (CE) MCQ

GATE Civil Engineering (CE) 2027 Test: Hydrographs - 3 Free Online Test


MCQ Practice Test & Solutions: Test: Hydrographs - 3 (10 Questions)

You can prepare effectively for Civil Engineering (CE) GATE Civil Engineering (CE) 2027 Mock Test Series with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: Hydrographs - 3". These 10 questions have been designed by the experts with the latest curriculum of Civil Engineering (CE) 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 30 minutes
  • - Number of Questions: 10

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Test: Hydrographs - 3 - Question 1
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In an S-curve derived by a unit hydrograph U of D-h duration

Test: Hydrographs - 3 - Question 2
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A 4 hour unit hydrograph of a basin with area of 1728 km2 can be approximated as a triangle with base period of 48 hours. The peak ordinate of hydrograph is

Detailed Solution: Question 2



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Test: Hydrographs - 3 - Question 3
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An instantaneous unit hydrograph is a direct runoff hydrograph

Detailed Solution: Question 3

A finite unit hydrograph is indicated as the duration D → 0. The limiting case of a unit hydrograph of zero duration is known as Instantaneous Unit Hydrograph (IUH).

Test: Hydrographs - 3 - Question 4
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The shape of the recession limb of a hydrograph depends on

Detailed Solution: Question 4

The climatic factors control the rising iimb and the recession limb is independent of storm characteristics, being determined by catchment characteristics only.

Test: Hydrographs - 3 - Question 5
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Instantaneous unit hydrograph is a hydrograph of

Test: Hydrographs - 3 - Question 6
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In Synder’s method of synthetic unit hydrograph development, basin lag is taken as

Detailed Solution: Question 6

The most important characteristic of a basin affecting a hydrograph due to a given storm is basin lag. Basin lag is the time difference between the centroids of the input (rainfall excess) and the output (surface runoff).

Test: Hydrographs - 3 - Question 7
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The ordinate of the IUH of a catchment at any time t is the

Test: Hydrographs - 3 - Question 8
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If a 4-hour unit hydrograph of a certain basin has a peak ordinate of 80 m3/s, the peak ordinate of a 2-hour unit hydrograph for the same basin will be

Detailed Solution: Question 8

With the reduction of unit hydrograph duration, 1 cm excess rainfall will occur in reduced period. So peak ordinate of UH will increase and time base will decrease. Thus the peak ordinate of 2 hr UH will be greater than 80 m3/s.

Test: Hydrographs - 3 - Question 9
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The point of inflection on the recession limb of a hydrograph represents

Detailed Solution: Question 9

The starting point of the recession limb, i.e., the point of inflection represents the condition of maximum storage.

Test: Hydrographs - 3 - Question 10
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A flood-hydrograph due to an isolated storm consists of

Detailed Solution: Question 10

The hydrograph is the response of a given catchment to a rainfall implicit. It consists of flow in all the three phases of runoff, viz. surface runoff, interflow and base flow.

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About this Civil Engineering (CE) Practice Test

This test contains 10 MCQs on Hydrographs - 3 with detailed solutions for each question. It is part of the GATE Civil Engineering (CE) 2027 Mock Test Series course on EduRev, designed to align with the current Civil Engineering (CE) syllabus. Each solution explains not just the correct answer but also gives you an understanding of the topic — not just to attempt the question but also help you prepare for the exam with practice.

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