GATE CE 2023 Paper 2 — page 15

Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.

A compound symmetrical open channel section as shown in the figure has a maximum of ______ critical depth(s).

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The critical flow condition in a channel is given by ______.

[Note:

– kinetic energy correction factor;

– discharge;

– cross-sectional area of flow at critical flow condition;

– top width of flow at critical flow condition;

– acceleration due to gravity]

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Match the following air pollutants with the most appropriate adverse health effects:

Air pollutant	Health effect to human and/or test animal
(P) Aromatic hydrocarbons	(I) Reduce the capability of the blood to carry oxygen
(Q) Carbon monoxide	(II) Bronchitis and pulmonary emphysema
(R) Sulfur oxides	(III) Damage of chromosomes
(S) Ozone	(IV) Carcinogenic effect

Your answerChoose one option.

(P) – (II), (Q) – (I), (R) – (IV), (S) – (III)

(P) – (IV), (Q) – (I), (R) – (III), (S) – (II)

(P) – (II), (Q) – (I), (R) – (II), (S) – (IV)

(P) – (IV), (Q) – (I), (R) – (II), (S) – (III)

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2023 · Paper 2