Engineering Sciences
GATE XE format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 81–90 of 959. Imported answers require independent review unless marked reviewed.
Question 156
Open questionXE-HMCQ1 markNeeds review
What is the approximate value of annual-mean pH of seawater at the surface in the northern Indian Ocean?
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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
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Which of the following weather systems has the shortest duration of lifecycle?
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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 163
Open questionXE-HMCQ2 marksNeeds review
In a two-layered fluid system, temperature and salinity values are given for cases P, Q and R. Which of the following options indicates that the process of ‘salt fingering’ is likely to occur?
Case | Upper layer | Lower layer |
|---|---|---|
P | | |
Q | | |
R | | |
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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 164
Open questionXE-HMCQ2 marksNeeds review
A body radiates heat at a rate of
, when its temperature is 227 °C. Which of the following is the correct value of the heat (in
) radiated by the same body at a temperature of 727 °C?Your 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 165
Open questionXE-HMCQ2 marksNeeds review
From the given cases (P, Q, R and S), which represents the annual mean profile of dissolved oxygen in the Bay of Bengal?
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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 166
Open questionXE-HMCQ2 marksNeeds review
The given figure illustrates a subtropical gyre in the Southern Indian Ocean.
Identify the currents in the correct sequence of P, Q, R and S, respectively from the following options.
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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 176
Open questionXE-IMCQ1 markNeeds review
The luminous efficacy of an electric light bulb is measured in which one of the following units?
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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 177
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Which one of the following biomass treatment processes occurs in an oxygen limited condition approximately between 450 °C and 600 °C, and produces biochar and bio-oil as primary products?
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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 178
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For a fixed thermal output, which one of the following is the major advantage offered by a concentrated collector over a flat plate collector?
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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 179
Open questionXE-IMCQ1 markNeeds review
A part of the blowdown energy losses in a boiler can be recovered by which one of the following ways?
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