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You Are On Multi Choice Question Bank SET 130

6501. Commonly employed water insoluble supports for the covalent attachment of enzyme include





6502. Which of the following is not a physical method of immobilization?





6503. The support material for immobilization of cells of Bacillus subtilis is





6504. The intraparticle mass transfer resistance can affect the rate of enzyme reaction, if enzymes are immobilized by





6505. The covalent attachment of enzyme molecules is via





6506. To measure the extent to which the reaction rate is lowered because of resistance to mass transfer, the effectiveness factor of an immobilized enzyme, η can be defined as





6507. Which is not the method for producing immobilized enzymes with multifunctional reagents?





6508. The immobilization technique involving physical method is





6509. Which of the following is the commonly employed adsorbents?





6510. Various techniques are available for determining the effective diffusivity of solute in gel. Thin disk method uses





6511. The effectiveness factor increases with the





6512. Water insoluble enzymes can be prepared by using multifunctional agents that are bifunctional in nature and have





6513. Functional groups of the nonessential amino acid residues that are suitable for the immobilization process are





6514. Which medium is used for the production of Penicillin using immobilized cells





6515. Which of the following is taken as an assumption in the distributed model?





6516. The immobilized enzyme produced by micro encapsulation technique provides





6517. Who founded the Ramakrishna Mission?





6518. Martin Luther is associated with ————





6519. Who was the founder of the first Sufi order in India ?





6520. The Huna leader Mihirkula was defeated by





6521. ——— has the longest service as Chief Minister of an Indian State





6522. The overall del factor (Δ) may be represented as





6523. The filter material used for air filtration system is/are





6524. The deviation from ideal plug flow due to axial mixing can be described by the





6525. The collection efficiency by diffusion increases with





6526. Glass fibers are favorable as a filter medium because they give a





6527. The collection efficiency by interception increases with the





6528. For indirect heating, the plate and frame heat exchanger is generally more effective than the shell and tube heat transfer due to its





6529. The mechanism of air filtration in fibrous filter is





6530. 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)





6531. For the turbulent flow, the dispersion coefficient is correlated as a function of





6532. In sterilization process, spore of which of the following organism is considered as control?





6533. 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')





6534. The typical size of particles collected by diffusion mechanism is





6535. The X90 value for a filtration system is





6536. The value of K





6537. Model proposed by the Friedlander, correlating the air filtration efficiency by impaction can be expressed as (where NSt is the Stokes number)





6538. The collection efficiency by impaction increases with





6539. The efficiency of fibrous filter by combined mechanism is given by(where ηimp,ηint,ηdif are the efficiencies by impaction, interception and diffusion respectively)





6540. The heat conduction in dry air is





6541. For laminar flow of Newtonian fluid through a smooth round pipe, the ratio of average fluid velocity to the maximum velocity is





6542. The reduction of number of cells from 1010 to one will result into the del factor (Δ) of





6543. Sterilization can be carried out by





6544. The collection efficiency by the inertial impaction mechanism is the function of





6545. The heated medium passes through a holding section, which is usually maintained in





6546. The highest temperature which appears to be feasible for batch sterilization is





6547. The K used in the equation for X10=2.303/K depends upon





6548. The mechanical means of accomplishing sterilization of fermentation media/equipment is





6549. The radius of the filter with a depth of 14 cm required for a volumetric airflow rate of 10 m3/min is approximately





6550. The moist heat is more effective than the dry heat because the intrinsic heat resistance of vegetative cells is greatly





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