GATE ES 2026 Paper 1 — page 14

Questions 40–42 of 65. Imported answers require review unless explicitly marked reviewed.

Which ONE of the following options CORRECTLY matches the atmospheric stability conditions with plume conditions/behaviors given in the table?

Atmospheric Stability Conditions	Plume Conditions/Behaviors
(P) Strong instability	(i) Fanning plume
(Q) Neutral stability	(ii) Fumigation
(R) Surface inversion	(iii) Coning plume
(S) Aloft inversion	(iv) Looping plume

Your answerChoose one option.

(P) - (i); (Q) - (ii); (R) - (iii); (S) - (iv)

(P) - (iv); (Q) - (iii); (R) - (i); (S) - (ii)

(P) - (iii); (Q) - (iv); (R) - (ii); (S) - (i)

(P) - (ii); (Q) - (i); (R) - (iv); (S) - (iii)

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The analysis of a water sample is shown in the table. The hardness of the water sample is ______ mg/L as CaCO

Atomic weight (g/mol): Ca = 40; Mg = 24; Na = 23; Cl = 35.5; S = 32; O = 16; N = 14

Your answerChoose one option.

87.5

62.5

25.5

47.5

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A system of linear equations is given as

, where

, and

is the solution vector. Which of the following statements is/are TRUE for this system?

Your answerSelect all correct options. You can choose more than one.

Matrix

is skew-symmetric.

Eigenvalues of matrix

are real.

The system is homogeneous.

The system is singular.

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2026 · Paper 1