Q. 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.

View solution

Q. 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.

View solution

Q. 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.

View solution

Q. The area of neutral zone, in a centrifuge is __________

View solution

Q. 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.

View solution

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

View solution

Q. Basket centrifuge can be used for liquid-liquid separations.

View solution

Q. Which of the following is true?

View solution

Q. Which food industry is centrifuge NOT used in?

View solution

Q. Which of the following with respect to mixing is true?

View solution

Q. Statement 1: Root mean square is denoted by σ₂
Statement 2: σ₂ will show the variation of a composition obtained after mixing. Hence the lesser it is, the more efficient is the mixing.

View solution

Q. Mixing index is applicable for mixing of solids at zero time.

View solution

Q. Which of the following conditions show that a certain industrial mixer is the best?

View solution

Q. Mixing Index is a ratio of the standard deviation of various products during mixing to that at zero mixing.

View solution

Q. Rate of mixing at any time is given by the extent of mixing at that particular time.

View solution

Q. The force used for mixing by mixing equipment for pastes and dough is _____

View solution

Q. The clearance between the impeller and the vessel in a mixer is usually kept _____

View solution

Q. Statement 1: Kneaders are specially used for pastry/viscous liquids in the food industry.
Statement 2: Kneaders are used for mixing dough with fats and making them homogeneous mixtures.

View solution

Q. Statement 1: Effectiveness of mixing in kneaders depends on the blade design.
Statement 2: Kneaders have a high clearance between the two oppositely rotating blades and the vessel.

View solution

Q. Statement 1: Which mixture is used when one of the components is very less in quantity?
Statement 2: This mixer is used to mix items in savory or a snack item.

View solution