Chemical Engineering  Fluid Mechanics
Exercise :: Fluid Mechanics  Section 8
1. 
One poise (unit of absolute/dynamic viscosity) is equivalent to one 
A. 
gm/cm^{2}. sec.  B. 
gm/cm. sec.  C. 
cm^{2}/sec.  D. 
m^{2}/sec. 
Answer: Option B
Explanation:

2. 
The equation relating friction factor to Reynold number, f^{0.5} = 4 log_{e} (N_{Re}/f)^{0.4}, is called the __________ equation. 
A. 
Nikuradse  B. 
VonKarman  C. 
Blausius  D. 
Colebrook 
Answer: Option A
Explanation:

3. 
Pressure drop for turbulent fluid flow through a circular pipe is given by 
Answer: Option C
Explanation:

4. 
What is the coefficient of contraction, if a fluid jet discharging from a 50 mm diameter orifice has a 40 mm diameter at its venacontracta ? 
Answer: Option A
Explanation:

5. 
For an unstable equilibrium of a floating body (where, M = metacentre.) 
A. 
M is above G  B. 
M is below G  C. 
M & G coincide  D. 
none of these 
Answer: Option B
Explanation:
