Chemical Engineering
GATE CH topic:differential-equations PYQs
Build your understanding with focused practice from past exam papers.
How to practice topic:differential-equations
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 12. Imported answers require independent review unless marked reviewed.
Question 62
Open questionCHNAT2 marksNeeds review
Consider a differential equation:
The value of y at x = 2 is ______ (rounded off to two decimal places).
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Open questionCHMSQ2 marksNeeds review
Consider the differential equation
Choose the CORRECT option(s) for the solution
.Your answerSelect all correct options. You can choose more than one.
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Open questionCHNAT2 marksNeeds review
Consider the ordinary differential equation
, with the boundary conditions
and
. The solution
at
, rounded off to 2 decimal places, is ________Log in to check the answer
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Open questionCHNAT1 markNeeds review
The position
of a particle, at constant
, is described by the equation
The initial conditions are
and
. The position of the particle at
is __________ (in integer).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 36
Open questionCHMCQ2 marksNeeds review
The partial differential equation
where,
and
, is subjected to the following initial and boundary conditions:
The value of
at which
isYour answerChoose one option.
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Open questionCHNAT2 marksNeeds review
For the ordinary differential equation
with initial conditions
, the value of
________ (round off to 3 decimal places).Log in to check the answer
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Open questionCHMCQ1 markNeeds review
Consider the following unit step function.

The Laplace transform of this function is
Your answerChoose one option.
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Open questionCHMCQ2 marksNeeds review
The solution of the ordinary differential equation
, subject to the initial condition
at
, isYour 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 1
Open questionCHMCQ1 markNeeds review
Consider the following two equations:
The above set of equations is represented byYour answerChoose one option.
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The initial water level in a tank is 4 m. When the valve located at the bottom is opened, the rate of change of water level (L) with respect to time (t) is, dL/dt = −k√t, where k = 0.6 m s⁻³ᐟ². The level of water (in m) in the tank at time 0.5 s after opening the valve is __________ (rounded off to second decimal place).
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