Engineering Sciences
GATE XE topic:atmospheric-science PYQs
Build your understanding with focused practice from past exam papers.
Questions 31–40 of 123. Imported answers require independent review unless marked reviewed.
Question 168
Open questionXE-HMSQ2 marksNeeds review
The given figure shows a schematic of dry, moist, and environmental lapse rates. Which of the following is/are correct statements?
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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 169
Open questionXE-HMSQ2 marksNeeds review
Balance of forces and different types of flows/weather phenomena in the northern hemisphere are given. Match the following:
Balance of forces | Flow type/weather phenomena |
|---|---|
P: Balance between pressure gradient force, centrifugal force and Coriolis force in anticlockwise rotation | X: Geostrophic flow |
Q: Balance between pressure gradient force and centrifugal force in clockwise/anticlockwise rotation | Y: Cyclones |
R: Balance between pressure gradient force and Coriolis force in a uniform flow | Z: Tornado |
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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 175
Open questionXE-HNAT2 marksNeeds review
A stationary air parcel centered on the equator is moved north-ward by conserving absolute vorticity. In the new location it has gained a relative vorticity of
. The latitude of its new location is ____ °N. (Assume the angular velocity of earth is
). (Answer in integer)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-HMCQ1 markNeeds review
The variation in geostrophic winds with height, in particular, at the atmospheric boundary layer, considering the variation in pressure gradient as a function of height, is referred to as ________.
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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-HMCQ1 markNeeds review
Which among the following gases has the highest global warming potential?
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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 162
Open questionXE-HMCQ1 markNeeds review
What will happen to the speed of a balanced flow as one moves across the isobar along a particular latitude?
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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 165
Open questionXE-HMCQ2 marksNeeds review
Match the following physical phenomena from the perspective of monsoonal circulation:
Column-1 | Column-2 |
|---|---|
a) Reversal of East-West temperature gradient with seasons | i) Over the tropics |
b) Reversal of North-South temperature gradient with seasons | ii) Indian Ocean |
c) Surface cooling and deepening of mixed layer | iii) Over mid-latitudes |
d) Northward movement of south equatorial current | iv) Arabian Sea |
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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 167
Open questionXE-HMSQ2 marksNeeds review
Which of the following is/are associated with winter rainfall over India?
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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 168
Open questionXE-HNAT2 marksNeeds review
If the global albedo is increased from 0.3 to 0.4, the global radiative equilibrium temperature (in K) would decrease by ________.
(consider no greenhouse effect, solar constant = 1360 W m⁻² and Stefan-Boltzmann constant = 5.67 × 10⁻⁸ W m⁻² K⁻⁴, rounded off to one decimal place).
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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 169
Open questionXE-HNAT2 marksNeeds review
When a parcel of dry air rises at a rate of 2 cm s
vertically, what should be the rate of heating per unit mass in J s
kg
(due to the radiation, conduction, etc.) in order to maintain the air parcel at a constant temperature?(consider the acceleration due to gravity as 9.8 m s
, rounded off to three decimal places).Log in to check the answer
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