Engineering Sciences
GATE XE topic:applied-science PYQs
Build your understanding with focused practice from past exam papers.
Questions 1751–1760 of 1772. Imported answers require independent review unless marked reviewed.
Question 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
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Open questionXE-HMCQ2 marksNeeds review
At 17°N, a mass of fluid is moving under geostrophic balance at 0.3 m s
towards east. Suddenly the pressure gradient force becomes zero. Then the fluid willYour answerChoose one option.
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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 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
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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 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 160
Open questionXE-HMCQ2 marksNeeds review
A student wants to numerically solve the linear 1-D advection equation
, where
m s
. The value of the maximum time-step the student can consider according to CFL criterion for a spatial resolution of 3 km isYour answerChoose one option.
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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 161
Open questionXE-HMCQ2 marksNeeds review
Planets in the solar system are in radiative equilibrium. Let
,
,
and
denote solar constant, albedo, average temperature and radius of a planet, respectively, and
is Stefan’s constant. Then the energy balance of this planet is given by the expressionYour answerChoose one option.
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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
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 163
Open questionXE-HMCQ2 marksNeeds review
If
and
are respectively zonal and meridional components of a flow field in geostrophic balance, then the divergence of this flow isYour answerChoose one option.
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