6151. Swirling and vortex formation can be prevented by
6152. Power number is expressed as
6153. The power consumption in a stirring vessel can be assessed by using a
6154. Surface renewal theory predicts that the mass transfer coefficient is
6155. The oxygen transfer rate in a bioreactor will increase if
6156. This is the place ...... I lost my bag
6157. If you tease the dog, it........... you
6158. He is.............FBI agent.
6159. Cache memory will be available:
6160. I can meet you tomorrow afternoon. I ..............
6161. Maintenance cost varies from
6162. The optimum wet solid content for the cell suspension for a bead mill is typically somewhere between
6163. Assuming the laminar flow across the filter, the rate of filtration (dVf/dt) can be expressed as a function of pressure drop Dp by the modified D'Arcy's equation as (where A is the area of filtering surface, K is the D'Arcy's filter cake permeability and L is the thickness of the filter cake)
6164. Filtration leaf test results indicate that the filtration rate of a protein product is 100 dry lbs/(ft2 hr). What size production filter would be required to obtain 100 dry lbs of filter cake/hr?
6165. Selectivity can be expressed as
6166. The disk centrifuge is the type of centrifuge used most often for bio separations due to its
6167. The effectiveness of a solvent can be measured by the
6168. The stage wise operation of adsorption is called
6169. Which of the following is not the physical method for the cells rupturing?
6170. Conventional adsorption is a
6171. If the solute passes through membrane freely, the the rejection coefficient (s) is
6172. If the membrane rejects all solute, the rejection coefficient (s) is
6173. In antibiotic manufacturing processes, the fermentation time ranges from
6174. The conventional filtration involves the separation of large particles generally
6175. Which of the operation does not come under upstream processing?
6176. For cost analysis in a fermentor system, the depreciation cost varies from
6177. Micro filtration refers to the separation of suspended material such as bacteria by using a membrane with spore sizes of
6178. Start up expenses in a fermentation industry varies from
6179. The solvent flux across the membrane can be expressed as (where A is the area, Lp is the membrane permeability, σ is the reflection point, Δp is applied pressure and Δπ is the osmotic pressure)
6180. Which of the following is considered as a pretreatment to the biological feeds?
6181. For the extractions operation, the selectivity should be
6182. The purity of a solute collected between two times t1 and t2 during chromatographic separation can be calculated as
6183. Chromatography is based on the
6184. The correlation often employed to correlate adsorption data for protein is (where Ymax is the maximum amount of solute adsorbed per mass of adsorbent, X is the mass fraction of solute in the diluent phase in solute-free basis, KL is a constant and Y is the equilibrium value of the mass of solute adsorbed per mass of adsorbent)
6185. A typical tubular centrifuge has a bowl of 2 to 5 inch in diameter and 9 to 30 inch in height with a maximum rotating speed of
6186. Concentration polarization can be reduced further by
6187. A system which require less solvent and produces a more concentrated extract phase, is desired with a
6188. The efficiency of cell disruption in a bead mill depends on the
6189. A common filter medium is the cloth filter generally made of
6190. An ion exchange resin is composed of
6191. Kernal is the program which interact with :
6192. One of my teachers ............. a famous novelist.
6193. John failed in the examination, but his sister ______
6194. She hasn’t written to me _____ we met last time.
6195. I prefer coffee.............tea
6196. The bitter taste of the high protein materials is reduced by using
6197. Sulphydryl oxidase is used for
6198. α-amylase is an endo enzyme which requires
6199. Liquefaction of starch to dextrin is carried out by