@⇒ Fluid flow ⇒ Biochemical Engineering ⇒ Medical Science Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	The viscosity of water at STP is approximately
A.	0.005 kg.m^-1.s^-1 [Wrong Answer]
B.	0.001 kg.m^-1.s^-1 [Correct Answer]
C.	0.003 kg.m^-2.s^-1 [Wrong Answer]
D.	0.1 g.cm^-1.s^-1 [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : B Discuss it below : Click here for more comments


Q2.	In sparged mammalian cell bioreactors, the cell damage is caused because of
A.	shear stress arising during mixing of the cell culture fluid [Correct Answer]
B.	shear stresses arising from the breakup of bubbles at the liquid surface [Wrong Answer]
C.	shear stresses between bubbles in foam at the liquid surface [Wrong Answer]
D.	all of the above [Wrong Answer]
View Answer 1 -2 Explanation:- Answer : A Discuss it below : Click here for more comments


Q3.	A liquid is flowing at 11,400 l.h^-1 along a pipeline having a diameter of 4 cm. If the liquid has a density of 1 g.ml^-1 and viscosity of 0.001kg.m^-1.s^-1, then the liquid would be in the
A.	laminar phase [Wrong Answer]
B.	transient phase [Wrong Answer]
C.	turbulent phase [Correct Answer]
D.	any of the phase [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : Click here for more comments


Q4.	Which pattern of mixing is preferred in stirred tank reactors during the culture of aerobic microorganisms?
A.	Laminar flow [Wrong Answer]
B.	Transient flow [Wrong Answer]
C.	turbulent flow [Correct Answer]
D.	all of these [Wrong Answer]
View Answer 2 -2 Explanation:- Answer : C Discuss it below : Click here for more comments


Q5.	Reynolds number for laminar flow over a plate should be less than
A.	500 mm [Wrong Answer]
B.	5 x 10^-5 [Wrong Answer]
C.	5 x 10⁵ [Correct Answer]
D.	5 m [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : Click here for more comments

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