Chemical Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 10–12 of 65. Imported answers require review unless explicitly marked reviewed.
Question 10
Open questionGAMCQ2 marksNeeds review
An object is said to have an
-fold rotational symmetry if the object, rotated by an angle of
, is identical to the original.Which one of the following objects exhibits 4-fold rotational symmetry about an axis perpendicular to the plane of the screen?
Note: The figures shown are representative.
Your answerChoose one option.
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Open questionCHMCQ1 markNeeds review
To manufacture paper from (i) ____, the (ii) ____ must be freed from the binding matrix of (iii) ____ in the pulping step.
Which one of the following is the CORRECT option to fill in the gaps (i), (ii) and (iii)?
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 12
Open questionCHMCQ1 markNeeds review
Consider a Cartesian coordinate system defined over a 3-dimensional vector space with orthogonal unit basis vectors
and
. Let vector
, and vector
. The inner product of these vectors
isYour answerChoose one option.
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