Chemical Engineering MCQs

A. The length of entrance region of pipe, in which full development of fluid flow takes place
SucH that velocity profile does not change downstream, is called the transition length
B. Transition length for laminar flow of newtonian fluids in a pipe of diameter ‘d’ is equal to
0.05. d.nre

A. V1.8
B. V-0.8
C. V
D. V-1

A. Bingham plastic
B. Pseudo-plastic
C. Newtonian liquid
D. Dilatent

A. ∝ q
B. ∝ √q
C. ∝ q2
D. Constant

A. Friction factor
B. Static pressure
C. Dynamic pressure
D. None of these

A. Fanning equation
B. Kozeny – karman equation
C. Hagen-posieuille equation
D. Blake-plummer equation

A. 1/μ
B. Μ
C. Μ2
D. 1/μ2

A. Avoid priming, every time we start the pump
B. Remove the contaminant present in the liquid
C. Minimise the fluctuation in discharge
D. Control the liquid discharge

A. 0.5
B. 1
C. 1.5
D. 2

A. Same rate of flow passes through
B. Head loss is same through
C. Rate of flow in each pipe is proportional to the length of
D. Total flow rate is the sum of flow rate in