Can You Solve This Impossible Quiz in Under 10 Minutes?

Welcome to the most difficult chemical engineering quiz on the web! You will have 10 minutes to complete 15 questions. After the timer runs out, the quiz will automatically close down, so don’t leave any questions blank! Have a calculator & a pen ready.


The Impossible Chemical Engineering Quiz

Students, Professors, Executives, and Experts are welcome to try but will most likely fail!

Only 1 attempt is possible, so make it count! [90% to Pass Under 10 Minutes]

1 / 15

The vessel dispersion number (D/μL) for plug flow is

2 / 15

For a humidification process what is the work done, more commonly known as?

3 / 15

What is the only correct statment?

4 / 15

Stefen's black body radiation law can be derived from what law?

5 / 15

The equation (NGr x NPr) is also known as... number?

6 / 15

How can the latent heat of fusion be calculated if the vapour pressure at two temperatures of a solid phase in equilibrium with its liquid phase is known?

7 / 15

In film theory, what is the relationship between the mass transfer coefficient (K) and diffusivity (D)?

8 / 15

Condensing film co-efficient for steam on horizontal tubes ranges from 5000 to 15000 Kcal/hr.m2 .°C. Condensation of vapor is carried out inside the tube in a shell and tube heat exchanger, when the...

9 / 15

What variable is not a function of Reynolds number?

10 / 15

If the amount of output sensible heat is 5J, input sensible heat is 25J, and the heat of solution is 20J, then what is the heat transferred from the system?

11 / 15

For the reversible reaction A  2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium?

12 / 15

If S1 is the slope of the operating line, and S2 is the slope of the equilibrium curve, what is the correct formula for the absorption factor?

13 / 15

An isothermal aqueous phase reversible reaction, P  R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m3 .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the reactor. The residence time required (in hours) for 40% conversion of P is

14 / 15

What is a dephlegmator?

15 / 15

When the Prantl Number is greater than , the conduction in an ordinary fluid flowing through a heated pipe is limited to what?

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