List of practice Questions

Bleaching of paper pulp is done by:

XLPE is the trade name of

Strength of sulphuric acid can be measured by:

An additional step in the manufacture of paper from bagasse as compared to that from bamboo is:

Heat transfer takes place according to:

HETP is numerically equal to HTU only when the operating line:

Flash distillation is used at a large scale in:

In the absorption of a solute gas from a mixture containing inerts in a solvent, it has been observed that the overall gas transfer coefficient is nearly equal to the individual gas film transfer coefficient. It may therefore be concluded that:

In a small column, local efficiency is equal to Murphree efficiency, and in a large column, local efficiency is:

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:

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

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?

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:

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

Industrial paddle agitators turn at speed between:

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

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

Impeller diameter in the case of a turbine agitator 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?

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:

Fugacity is most suitable for

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