Chemical Engineering
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 28–30 of 65. Imported answers require review unless explicitly marked reviewed.
Question 18
Open questionCHMSQ1 markNeeds review
The inherent characteristics of three control valves P, Q and R are shown in the figure.

The CORRECT option(s)) is/are
Your answerSelect all correct options. You can choose more than one.
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Open questionCHNAT1 markNeeds review
A source placed at the origin of a circular sample holder (radius
) emits particles uniformly in all directions. A detector of length
has been placed along the perimeter of the sample holder. During an experiment, the detector registers 14 particles.The total number of particles emitted during the experiment is __________.
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Open questionCHNAT1 markNeeds review
,
,
and
are vectors of length 4.
It is known that
is not a scalar multiple of
. Also,
is linearly independent of
and
. Further,
.The rank of the matrix
is __________.Log in to check the answer
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