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.

Topic practice 12 questionsPage 1 of 2

Question 62

Open question
CHNAT2 marksNeeds review
Consider a differential equation:


The value of y at x = 2 is ______ (rounded off to two decimal places).

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Question 44

Open question
CHMSQ2 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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Question 52

Open question
CHNAT2 marksNeeds review
Consider the ordinary differential equation

, with the boundary conditions

and

. The solution

at

, rounded off to 2 decimal places, is ________

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Question 31

Open question
CHNAT1 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).

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Question 36

Open question
CHMCQ2 marksNeeds review
The partial differential equation

where,

and

, is subjected to the following initial and boundary conditions:



The value of

at which

is
Your answerChoose one option.

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Question 36

Open question
CHNAT2 marksNeeds review
For the ordinary differential equation

with initial conditions

, the value of

________ (round off to 3 decimal places).

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Question 4

Open question
CHMCQ1 markNeeds review
Consider the following unit step function.
Diagram for Chemical Engineering question 4

The Laplace transform of this function is
Your answerChoose one option.

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Question 26

Open question
CHMCQ2 marksNeeds review
The solution of the ordinary differential equation

, subject to the initial condition

at

, is
Your answerChoose one option.

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Question 1

Open question
CHMCQ1 markNeeds review
Consider the following two equations:



The above set of equations is represented by
Your answerChoose one option.

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Question 25

Open question
CHNAT1 markNeeds review
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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