Q. Plate heat exchanger was patented in which year?

View solution

Q. The unwanted buildup of material on a surface is called?

View solution

Q. Heat must be supplied to a substance in order to increase its temperature by 1°C is called?

View solution

Q. After centrifugation when sublimate settles, clear liquid _____________

View solution

Q. After centrifugation, sublimate ______

View solution

Q. Which of the following is an effective way of purifying liquids containing suspensions?

View solution

Q. Fine insoluble solid particles can be removed through which of the following process?

View solution

Q. Process quicker than filtration but not so effective is __________

View solution

Q. Differential centrifugation relies on the differences in ______ of biological particles of different ___________

View solution

Q. Which of the following statements about the basic principle of sedimentation is False?

View solution

Q. Which of the following is/are the application of analytical centrifugation?
I. The determination of the purity of macromolecules.

II. The determination of the relative molecular masses of solutes in their native state.

III. The examination of changes in the molecular mass of supramolecular complexes.

IV. The detection of conformational changes.

View solution

Q. Which of the following is/are appropriate care and maintenance of centrifuges?
I. Proper balancing of centrifuge tubes.

II. Avoid long time exposure of the rotors to alkaline solution and acidic buffers.

III. Cleaning centrifuges and rotors with coarse brushes and then wash them with distilled or de-ionized water after every run.

IV. For overnight storage, the rotors are left upside down and then positioned in a safe and dry place.

View solution

Q. After centrifugation of milk, the supernatant is?

View solution

Q. What is the name of the machine that spins in order to separate out components making up a mixture?

View solution

Q. How does centrifugation work?

View solution

Q. If you were centrifuging whole milk, which would you expect to get flung further out from the center of the centrifuge?

View solution

Q. Which of the following scientist invented the centrifugal separator?

View solution

Q. The skimming efficiency of a separator consequently decreases with increased throughput.

View solution

Q. Standardization of milk involved which of the following?

View solution

Q. Which of the following method is used in a standardization of milk?

View solution