Q. The relationship between the del factor, temperature and time is given as

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Q. The del factor (Δ) increases as the final number of cells

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Q. The overall del factor (Δ) may be represented as

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Q. The filter material used for air filtration system is/are

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Q. The deviation from ideal plug flow due to axial mixing can be described by the

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Q. The collection efficiency by diffusion increases with

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Q. Glass fibers are favorable as a filter medium because they give a

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Q. Typical aeration rates for aerobic fermentation are

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Q. The K used in the equation for X10=2.303/K depends upon

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Q. The mechanical means of accomplishing sterilization of fermentation media/equipment is

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Q. The radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m3/min is approximately

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Q. The moist heat is more effective than the dry heat because the intrinsic heat resistance of vegetative cells is greatly

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Q. The destruction of microorganisms by steam may be described as

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Q. The collection efficiency by interception increases with the

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Q. For indirect heating, the plate and frame heat exchanger is generally more effective than the shell and tube heat transfer due to its

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Q. The mechanism of air filtration in fibrous filter is

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Q. If the packing density (α) is defined as the volume of the fiber unit volume of filter bed, the velocity within the filter void space is equal to (where V is velocity in fluid void space and V0 is undisturbed fluid velocity)

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Q. For the turbulent flow, the dispersion coefficient is correlated as a function of

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Q. In sterilization process, spore of which of the following organism is considered as control?

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Q. Analogus to the molecular diffusion, the x-directional flux of microorganisms suspended in a medium due to the axial mixing can be represented as (where Jn is flux component 'n', cn is concentration of'n')

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