A stirrer has a power number (Np) 10. If the stirrer speed (N) is 1 s^-1 , its diameter D= 1 m and the density of the medium is 1000 kg/m3, the ungassed power input (P) in watts is

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#Question id: 15556

#Section 1: Engineering Mathematics

The value of the determinant

  

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#Question id: 15557

#Section 1: Engineering Mathematics

 

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#Question id: 15558

#Section 1: Engineering Mathematics

The roots of the equation   are  

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#Question id: 15559

#Section 6: Plant, Animal and Microbial Biotechnology

The majority of the antibiotics have been isolated from 

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#Question id: 15560

#Section 6: Plant, Animal and Microbial Biotechnology

Nearly all of the genetic improvements to industrially important antibiotic-producing strains have been achieved by the use of 

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#Question id: 15561

#Section 6: Plant, Animal and Microbial Biotechnology

Which mechanism is helpful in secondary metabolite production

1. ppGpp secretion

2. Autoinducer

3. Nutrient limitation

4. Senescence genes

Which combination is incorrect  from the following.