Engineering Sciences
GATE XE year:2017 PYQs
Build your understanding with focused practice from past exam papers.
Questions 141–150 of 175. Imported answers require independent review unless marked reviewed.
Question 141
Open questionXE-GNAT2 marksNeeds review
A suspension containing 2 × 10
spores of organism A having a D
value of 1.5 min and 8 × 10
spores of organism B having a D
value of 0.8 min is heated at a constant temperature of 121.1 °C. The heating time needed to obtain a probability of spoilage ‘1 in 100’ is ______ min.Log in to check the answer
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Open questionXE-GNAT2 marksNeeds review
In an evaporation process, a compressor picks up 0.05 m
air in each revolution and compresses 500 kg of air per minute. If the specific volume of air is 0.9 m
/kg, then the compressor speed is ______ rpm.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 143
Open questionXE-GNAT2 marksNeeds review
For a soybean oil extraction system, solvent : soy ratio is maintained at 0.5 : 1 (w/w). Original seed contains 18% oil (w/w). If the meal (soy solid) after final desolventization has 0.01 kg oil per kg oil free meal then, the effectiveness of the solvent (kg oil/kg solvent) in the extraction process 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 144
Open questionXE-HMCQ1 markNeeds review
Rossby Number is the ratio of
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 145
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Kuroshio Current and Gulf Stream are
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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 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
]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 147
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A thin iceberg is observed to move southeastward in the Arctic Ocean. If the surface current is wind driven, the prevailing wind is
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 148
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Equatorial Kelvin and Rossby waves respectively propagate
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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 149
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The largest contributor to the atmospheric greenhouse effect 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 150
Open questionXE-HMCQ1 markNeeds review
If
,
,
and
denote virtual, dry bulb, wet bulb and dew point temperatures of a moist air parcel, then the correct order of their values isYour answerChoose one option.
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