List of top Chemical, Thermal and Polymer Engineering Questions

Heat transfer takes place according to:

When a longitudinal baffle is placed across the shell, the shell-side fluid is forced to pass through the heat exchanger:

Which of the following is a continuous filter?

In a mixing tank operating at a very high Reynolds number 104, if the diameter of the im peller is doubled, keeping other conditions constant, the power required increases by a factor of:

For laminar film condensation, what is the ratio of heat transfer to a horizontal tube of large diameter to that of a vertical tube of the same size for the same temperature difference?

The maximum heat loss from a pipe occurs when the critical radius equals:

For the same process temperatures, the ratio of the LMTD in parallel flow to the LMTD in counter-current flow in a liquid-liquid heat exchanger is always:

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:

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

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

Impeller diameter in the case of a turbine agitator 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

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?

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

Which of the following statements is true?

The liquid phases considered under Navier-Stokes equations are

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:

Fugacity is most suitable for

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

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

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

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