Fermentation Reactors – Section 1


Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

Warning: Undefined variable $ext in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/show-hidecollapse-expand/bg_show_hide.php on line 281

26. A chemostat has a liquid volume of 2 liters and is being fed at a rate of 4 liters per hour. The dilution rate for this reactor will be
A. 2 liters
B. 2 liters per hour
C. 2 h-1
D. 4 liters per hour

Correct Answer: C. 2 h-1
Advertisement

27. Mixing per unit volume is observed to be poorest in

A. continuous packed bed reactor
B. continuous fluidized bed bioreactor
C. continuous airlift bioreactor
D. none of the above

Correct Answer: A. continuous packed bed reactor
Advertisement

28. The growth of an organism on glucose is described by the following Monod model parameters: μm = 0.5 h-1 and Ks =0.1 g.l-1, if the concentration of glucose in the feed is 10 g.l-1and the dilution rate is set to 0.4 h-1, then the steady-state concentration of glucose in the effluent will be

A. 0 g.l-1
B. 0.5 g.l-1
C. 1.0 g.l-1
D. 10 g.l-1

Correct Answer: B. 0.5 g.l-1
Advertisement

29. A continuous reactor at steady state contains 0.04 g.l-1 of biomass and 0.02 g.l-1 of phenol. The feed contained 0.1 g.l-1 of phenol. The biomass yield would be

A. 0.4 g.g-1
B. 0.5 g.g-1
C. 1.0 g.g-1
D. 5.0 g.g-1

Correct Answer: B. 0.5 g.l-1
Advertisement

30. A culture system with constant environmental conditions maintained through continual provision of nutrient and removal of wastes is called __________ culture system.

A. continuous
B. batch
C. fed-batch
D. semi-continuous

Correct Answer: A. continuous
Advertisement

Warning: Undefined variable $in_same_cat in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Warning: Undefined variable $excluded_categories in /www/wwwroot/gkfeed.com/public_html/wp-content/plugins/EXP.GKFEED.COM/function.php on line 27

Leave A Comment?