List of practice Questions

Industrial paddle agitators turn at speed between:

Which of the following size reduction equipment can accept feed sizes of 10 inches and up?

A pressure of \( 500 \, \text{kPa} \) applied to \( 2 \, \text{m}^3 \) of liquid results in a volume change of \( 0.004 \, \text{m}^3 \). The bulk modulus in MPa is:

Arrange the following flow measuring devices in the increasing order of head loss caused by them:
(A). Flow nozzle
(B). Venturimeter
(C). Orifice meter

Bernoulli’s equation cannot be applied when the flow is:

Crude oil of kinematic viscosity 2.25 Stokes flows through a 20 cm diameter pipe. If the rate of flow is 1.5 liters/sec, what will be the type of flow?

Impeller diameter in the case of a turbine agitator is:

Rain drops fall from a great height under gravity. Select the correct statement:

For estimation of heat capacity of a solid compound, one can use

Fugacity is most suitable for

In order that the water shall never rise more than 100 cm above the crest for a discharge of 5 cubic meters per second, the length of the wire will be:

The liquid phases considered under Navier-Stokes equations are

Which of the following statements is not valid for an ideal solution?

Which of the following statements is true?

For a reversible process at constant pressure and temperature, the free energy change is

Gibbs free energy of mixing at constant temperature and pressure must always be

Hess’s law of constant heat summation is based on:

Molar entropy of vaporization at normal boiling point in J/K·mole is:

The direction of a particular spontaneous process is ascertained from which of the following Laws of Thermodynamics?

At a triple point, the number of phases present are

Which of the following is not an example of a closed system?

If\[\int_{\frac{\pi}{6}}^{\frac{\pi}{3}} \sqrt{1 - \sin 2x} \, dx = \alpha + \beta \sqrt{2} + \gamma \sqrt{3},\]where \( \alpha \), \( \beta \), and \( \gamma \) are rational numbers, then \( 3\alpha + 4\beta - \gamma \) is equal to ______.

Let the area of the region \( \{(x, y): 0 \leq x \leq 3, 0 \leq y \leq \min\{x^2 + 2, 2x + 2\}\} \) be \( A \). Then \( 12A \) is equal to ______.

How many times does the term Arya occur in the Rig Veda?

Indian steel was exported to many countries from very early times and came to be called in later times: