Chemical Engineering
2018 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE CH 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 22–24 of 65. Imported answers require review unless explicitly marked reviewed.
Question 12
Open questionCHMCQ1 markNeeds review
Two packed towers are designed for the same mass velocity of the gas. The first has liquid and gas flow rates of 30 kg/s and 1.2 kg/s, respectively, while the corresponding flow rates in the second tower are 67.5 kg/s and 1.8 kg/s. The ratio of the design diameter of the wider tower to that of the narrower tower is
Your answerChoose one option.
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 13
Open questionCHMCQ1 markNeeds review
The Annual Fixed Charges (AFC) and Annual Utilities Costs (AUC) of a distillation column being designed are expressed in terms of the reflux ratio (R) as
The reflux ratio (
) for optimizing the total cost of the distillation column may be found by solvingYour answerChoose one option.
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 14
Open questionCHMCQ1 markNeeds review
Consider the following properties:
(P) temperature
(Q) specific gravity
(R) chemical potential
(S) volume
The option which lists ALL the intensive properties is
Your answerChoose one option.
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 answer