Testraer

Testraer

1st - 5th Grade

50 Qs

quiz-placeholder

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Testraer

Testraer

Assessment

Quiz

Social Studies

1st - 5th Grade

Hard

Created by

Jonathan Garobo

Used 2+ times

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50 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
chemical properties
physical properties
degree of turbulence
interfacial area

Answer explanation

Jupiter is a gas giant made primarily of hydrogen and helium. Unlike terrestrial planets that have solid surfaces, gas giants like Jupiter don't have a well-defined solid surface, allowing them to accumulate more mass in a gaseous form. This composition has allowed Jupiter to grow significantly larger than planets with solid surfaces.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is
0.5
0.6
2.0
1.0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Fenske equation determines the
maximum number of ideal plates.
height of the distillation column.
minimum number of theoretical plates.
optimum reflux ratio.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The term "cooling range" in a cooling tower refers to the difference in the temperature of
cold water leaving the tower and the wet bulb temperature of the surrounding air.
hot water entering the tower and the wet bulb temperature of the surrounding air.
hot water entering the tower and the cooled water leaving the tower.
none of these

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is the most suitable for extraction in a system having very low density difference?
Mixer-settler extractor
Centrifugal extractor
Pulsed extractor
Packed extraction tower

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Total reflux in a distillation operation requires minimum
reboiler load
number of plates
condenser load
all (a), (b) and (c)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by
raising the temperature.
lowering the total pressure.
both (a) and (b).
neither (a) nor (b).

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