Chemical Engineering
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 43–45 of 65. Imported answers require review unless explicitly marked reviewed.
Question 43
Open questionCHMCQ2 marksNeeds review
Match the product in Group-1 with the manufacturing process in Group-2. The correct combination is
Group-1 | | Group-2 | |
|---|---|---|---|
P | Nitric acid | I | Tona process |
Q | Phosphoric acid | II | Twitchell process |
R | Potassium chloride | III | Ostwald’s process |
S | Stearic acid | IV | Haifa process |
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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 44
Open questionCHNAT2 marksNeeds review
The directional derivative of
at the point
in the direction of the vector
is __________ (rounded off to two decimal places).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 45
Open questionCHNAT2 marksNeeds review
Consider a sphere of radius 4, centered at the origin, with outward unit normal
on its surface
. The value of the surface integral
is __________ (rounded off to one decimal place).Log in to check the answer
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