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