Chemical Engineering
2024 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2024 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 64
Open questionCHNAT2 marksNeeds review
A PD controller with transfer function
is used to stabilize an open-loop unstable process with transfer function
, where
and time is in minutes. From the necessary conditions for closed-loop stability, the maximum feasible value of
, in minutes, rounded off to 1 decimal place, is __________Log in to check the answer
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Open questionCHNAT2 marksNeeds review
Consider a tray-column of diameter 120 cm. Each downcomer has a cross-sectional area of 75 cm². For a tray, the percentage column cross-sectional area not available for vapour flow due to the downcomers, rounded off to 1 decimal place, is __________
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