GATE XE 2018 Paper 1 — page 58

Questions 172–174 of 175. Imported answers require review unless explicitly marked reviewed.

A numerical model of the atmosphere uses sigma (σ) coordinate system in vertical. At locations P and Q, surface pressures are 1005 hPa and 500 hPa, respectively. Absolute difference in the heights of σ = 0.9 level between these locations is ________ meters. (Give the answer to one decimal place.) Layer mean temperatures at P and Q are 300 K and 270 K, respectively. (Take g = 9.8 m s

gas constant R = 287 J kg

)

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If difference in sea surface elevation is 1 m in 100 km at 30° N latitude, the corresponding geostrophic current is ________ m s

. (Give the answer to one decimal place.) Take g = 9.8 m s

and angular velocity of the Earth = 7.3×10

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If wind speed over ocean surface is 10 m s

, air-sea interface momentum flux is ________ N m

. (Give the answer to two decimal places.) Surface air temperature and pressure are 27°C and 1000 hPa, respectively. Take drag coefficient as 0.001 and gas constant R = 287 J kg

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2018 · Paper 1

Question 19

Question 20

Question 21