Engineering Sciences
GATE XE format:nat PYQs
Build your understanding with focused practice from past exam papers.
Questions 661–668 of 668. Imported answers require independent review unless marked reviewed.
Question 146
Open questionXE-HNAT1 markNeeds review
The velocity of a tsunami wave in an ocean basin of depth 1 km is ______ m s
[Density of seawater: 1025 kg m
, g: 10 m s
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 153
Open questionXE-HNAT2 marksNeeds review
Average surface temperatures of the Sun and the Earth are 6300 K and 285 K, respectively. The ratio of the wavelength of peak radiation of the Earth to that of the Sun is __________.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 154
Open questionXE-HNAT2 marksNeeds review
In the month of April, the mixed layer in the Arabian Sea received a net heat flux of 50 W m
. If the mixed layer depth is 50 m, the increase in temperature at the end of April is ________ °C.[Density of seawater: 1025 kg m
, Density of freshwater: 1000 kg m
, Specific heat of seawater: 4200 J kg
K
, Latent heat of evaporation: 2.45 × 10
J kg
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 155
Open questionXE-HNAT2 marksNeeds review
The thickness of an atmospheric layer between 600 hPa and 500 hPa is 1.5 km. If the layer is isothermal, then its temperature is __________ K.
[Gas constant of air: 287 J kg
K
, g: 10 m s
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 157
Open questionXE-HNAT2 marksNeeds review
At 45°N, wind is blowing northward and its magnitude decreases eastward from 10 m s
to 1 m s
over a distance of 18 km. The absolute vorticity of the flow is __________ × 10
s
.[Angular velocity of the Earth: 7.27 × 10
rad s
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 158
Open questionXE-HNAT2 marksNeeds review
Sea surface height anomalies at the locations A, B, C and D are -10, -15, 5 and 0 cm respectively.
The magnitude of geostrophic velocity at P is __________ m s
.[Take 1° = 100 km, g = 10 m s
, Angular velocity of the Earth: 7.27 × 10
rad s
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 159
Open questionXE-HNAT2 marksNeeds review
In a severe tropical cyclone, 250 mm of rainfall occurs in an area having a radius of 200 km. If the energy supplied to the system from this rainfall is N times the energy of one atomic bomb (=1.5 × 10
kJ), then the value of N is __________.[Density of freshwater: 1000 kg m
, Specific heat of seawater: 4200 J kg
K
, Latent heat of evaporation: 2.45 × 10
J kg
]Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 162
Open questionXE-HNAT2 marksNeeds review
A cumulonimbus cloud forms by an air parcel rising from the sea level with an initial temperature and specific humidity of 27°C and 20 gm kg
, respectively. Assume that moist static energy is conserved in this cloud. Then the cloud temperature at an altitude of 1.5 km is ______ K.[Specific heat of dry air at constant pressure: 1005 J kg
K
, Specific heat of water vapor at constant pressure: 1850 J kg
K
, g = 10 m s
, Latent heat of evaporation: 2.45 × 10
J kg
]Log in to check the answer
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