TOP 50 Sedimentation and Centrifuge Quiz and Answers

The experimental details of the batch sedimentation experiment are comprehended by plotting which of the following two?

Statement 1: For calculating the minimum thickener area, the angle bisector method is used.
Statement 2: In the angle bisector method, the point obtained the curve and the corresponding time is the time when the solids enter the compression zone.

The compression zone in batch sedimentation is considered the overflow.

Dorr-Oliver thickener is also called a _____

Which of the following is an application of sedimentation in the food industry?

Sedimentation and centrifugation involve two miscible phases.

With respect to Sedimentation, the boundary between the thick suspension and solids will be decreasing and that between the clear liquid and the thick suspension will be increasing with the passage of time.

Which food industry is centrifuge NOT used in?

Which of the following is true?

Basket centrifuge can be used for liquid-liquid separations.

Statement 1: Tubular bowl centrifuges can handle slurries.
Statement 2: Tubular bowl centrifuges can be used for 3 phase separation.

Statement 1: The radius of neutral zone depends on the radius of the centrifuge.
Statement 2: More is the radius, lesser is the zone of centrifuge.

The area of neutral zone, in a centrifuge is __________

Statement 1: In a dairy industry, it is desired to obtain the cream from milk using a centrifuge. Which will stay in the center?
Statement 2: It is desired to have __________ for the above process.

Statement 1: The g-number is the ratio of the velocity in a centrifuge to that of the velocity in sedimentation.
Statement 2: The g-number is represented as Z.

Statement 1: In both, centrifuge and sedimentation, the terminal velocity of the particle is reached after a certain time.
Statement 2: The formula used for finding out the velocity is the same for both the processes.

In the centrifuge, heavier particles will have a larger radius.