G 1 and G 2 are the slopes of the approach and departure grades of a vertical curve, respectively. Given |G 1 | < |G 2 | and |G 1 | ≠ |G 2 | ≠ 0 Statement 1: +G 1 followed by +G 2 results in a sag vertical curve. Statement 2: −G 1 followed by −G 2 results in a sag vertical curve. Statement 3: +G 1 followed by −G 2 results in a crest vertical curve. Which option amongst the following is true?

Correct Answer is : Statement 1 and Statement 3 are correct; Statement 2 is wrong

Statement 1 and Statement 3 are correct; Statement 2 is wrong

Statement 1 and Statement 2 are correct; Statement 3 is wrong

Statement 1 is correct; Statement 2 and Statement 3 are wrong

Statement 2 is correct; Statement 1 and Statement 3 are wrong

GATE Civil Engineering (CE) 2023 Shift 1 Solved Paper

Question : 21 of 65

Marks: +1, -0

G₁ and G₂ are the slopes of the approach and departure grades of a vertical curve, respectively.
Given |G₁| < |G₂| and |G₁| ≠ |G₂| ≠ 0
Statement 1: +G₁ followed by +G₂ results in a sag vertical curve.
Statement 2: −G₁ followed by −G₂ results in a sag vertical curve.
Statement 3: +G₁ followed by −G₂ results in a crest vertical curve.
Which option amongst the following is true?

Statement 1 and Statement 3 are correct; Statement 2 is wrong
Statement 1 and Statement 2 are correct; Statement 3 is wrong
Statement 1 is correct; Statement 2 and Statement 3 are wrong
Statement 2 is correct; Statement 1 and Statement 3 are wrong

Validate

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