Chemical Engineering
GATE CH topic:chemical-processes PYQs
Build your understanding with focused practice from past exam papers.
Questions 271–280 of 650. Imported answers require independent review unless marked reviewed.
Question 11
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The value of
, where
, isYour answerChoose one option.
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Given matrix
, the ordered pair
for which
isYour answerChoose one option.
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Let
, where
is real. The value of
at
isYour answerChoose one option.
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The value of the real variable
, which maximizes the function
isYour answerChoose one option.
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For a single component system at vapor-liquid equilibrium, the extensive variables
,
,
and
denote the Helmholtz free energy, volume, entropy, and number of moles, respectively, in a given phase. If superscripts
and
denote the vapor and liquid phase, respectively, the relation that is NOT CORRECT isYour answerChoose one option.
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Consider turbulent flow in a pipe under isothermal conditions. Let
denote the radial coordinate and
denote the axial flow direction. On moving away from the wall towards the center of the pipe, the
-component of the Reynolds stressYour answerChoose one option.
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Consider two stationary spherical pure water droplets of diameters
and
. CO
diffuses into the droplets from the surroundings. If the rate of diffusion of CO
into the smaller droplet is
mol s
, the rate of diffusion of CO
into the larger droplet isYour answerChoose one option.
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In soap manufacturing, the triglycerides present in oils and fats are hydrolyzed to mainly produce
Your answerChoose one option.
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The chemical formula of Glauber’s salt, used in the Kraft process, is
Your answerChoose one option.
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Catalytic reform is commonly used in the petroleum industry to improve fuel quality. The undesirable reaction in the catalytic reforming of naphtha is
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