Online Biochemical Engineering Test - Biochemical Engineering Test - Random

Which of the following step is assumed to be the slowest step in the Michaelis Menten equation?

Predominantly uncompetitive inhibition may be called when

The bitter taste of the high protein materials is reduced by using

Fluidized bed bioreactors provide higher mass transfer rates than packed bed bioreactors because

In a fluidized bed reactor, the function of the disengagement zone is to

A fed-batch reactor containing 1 g.l^-1 of substrate in 2 litre of medium. It is fed with 1 g.l^-l of substrate at the rate of 1 litre per hour. After 10 hours, the concentration of substrate in the reactor was 0.5 g.l^-1 . The mass of substrate that was used by the culture in the reactor was

A mixed fermentation is one, which produces

Which of the following is an example of a mathematical model?

In a batch reactor specific growth rate

A culture in a closed vessel to which no additional medium is added and from which no waste products are removed is called a __________ culture.

A typical ceiling fan would be best described as a(n)

The average fractional gas hold up (H) can be given as (where Z_f and Z_l are the level of aerated and clear liquid respectively)

A cylindrical reactor fitted with Rushton Turbine has a liquid volume of 100,000 litres. It has an aspect ratio (the ratio of the channel height to the width) of 2:1. The diameter of the impeller should be approximately:

In a bioreactor, if at a particular time the oxygen transfer rate is 23 kg.h^-1, then the oxygen uptake will be

Which of the following describes the importance of the Kolmogorov eddy size in the biotechnology?

If the viscosity of a fluid decreases with the length of time that it is being mixed, then this fluid is

The specific death rate of an organism can be expressed as

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

The correlation often employed to correlate adsorption data for protein is (where Y_max is the maximum amount of solute adsorbed per mass of adsorbent, X is the mass fraction of solute in the diluent phase in solute-free basis, K_L is a constant and Y is the equilibrium value of the mass of solute adsorbed per mass of adsorbent)

The methods used for biological treatment are