Engineering Sciences
GATE XE Ocean Sciences PYQs
Build your understanding with focused practice from past exam papers.
Questions 81–90 of 100. Imported answers require independent review unless marked reviewed.
Question 6
Open questionXE-HMCQ1 markNeeds review
When deep water sinks in the North Atlantic and moves away from where it formed, it gets
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The speed of sound in the ocean depends on
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Open questionXE-HMCQ1 markNeeds review
Figure below shows SST anomaly (in °C). It is associated with the phenomenon known as
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Open questionXE-HMCQ2 marksNeeds review
For an inviscid and barotropic ocean of constant depth (D), a water parcel with initial vorticity
is displaced from the equator to the north pole. Latitudinal variation of the parcel vorticity (
) is well represented by the curve 
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Open questionXE-HMCQ2 marksNeeds review
A wave progresses up an estuary of decreasing water depth. If friction is neglected, then
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Open questionXE-HMCQ2 marksNeeds review
In the Ekman flow limit, directions of ocean surface current and the geostrophic wind are
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Open questionXE-HMCQ2 marksNeeds review
P and Q respectively describe flow fields corresponding to
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Open questionXE-HNAT2 marksNeeds review
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
s
.Log in to check the answer
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Open questionXE-HNAT2 marksNeeds review
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
K
.Log in to check the answer
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Open questionXE-HNAT2 marksNeeds review
Let L
, L
be length scales in x- and y-directions and corresponding mass transports are M
and M
. The ratio of M
and M
(to nearest integer) is ________ , if the ratio of L
and L
is 10 and vertical velocity is zero.Log in to check the answer
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