Question: 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…

Question: The heat conduction in dry air is [A]. less rapid than in steam [B]. more rapid than in steam [C]. similar to steam [D]. none of these Answer: Option A Explanation: No answer description available for this question.

Question: The moist heat is more effective than the dry heat because the intrinsic heat resistance of vegetative cells is greatly [A]. increased in a dry state [B]. decreased in a dry state [C]. increased in a wet state [D].…

Question: The sterilization method depends [A]. nature of additive [B]. volume and feed rate [C]. both (a) and (b) [D]. none of these Answer: Option C Explanation: No answer description available for this question.

Question: Glass fibers are favorable as a filter medium because they give a [A]. lower pressure drop and are less liable to wetting or combustion [B]. more pressure drop and are less liable to wetting or combustion [C]. lower pressure…

Question: Typical aeration rates for aerobic fermentation are [A]. 0 – 0.5 vvm [B]. 0.5 – 1.0 vvm [C]. 1.0 – 1.5 vvm [D]. 1.5 – 2.0 vvm Answer: Option B Explanation: No answer description available for this question.

Question: For the turbulent flow, the dispersion coefficient is correlated as a function of [A]. Reynolds number [B]. Sherwood number [C]. Schmidt number [D]. Grashof number Answer: Option A Explanation: No answer description available for this question.

Question: 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’) [A]. Jn = -dcn/dx [B]. Jn…

Question: The deviation from ideal plug flow due to axial mixing can be described by the [A]. dispersion model [B]. Langmuir model [C]. Friedlander model [D]. Pasceri model Answer: Option A Explanation: No answer description available for this question.

Question: For laminar flow of Newtonian fluid through a smooth round pipe, the ratio of average fluid velocity to the maximum velocity is [A]. 0.5 [B]. 0.75 [C]. 0.87 [D]. 0.37 Answer: Option A Explanation: No answer description available for…