A. 24000
B. 24
C. 0.24
D. 0.44
Related Mcqs:
- In which of the following body shapes, the pressure drag is large compared to the friction drag ?
A. Stream line body
B. Two dimensional body
C. Bluff body
D. None of these - The ratio of wall drag to total drag in the Stoke’s law range is_________________?
A. 0.5
B. 1
C. 1/3
D. 2/3 - The ratio of the wall drag to the form drag in the Stoke’s law range (for motion of spherical particles in a stationary fluid) is__________________?
A. 0.5
B. 1
C. 2
D. 0.33 - Dimension of kinematic viscosity is_____________________?
A. MLT-1
B. L2T-1
C. L2T
D. L2T-2 - What is the unit of kinematic viscosity in SI unit ?
A. M2/sec
B. N/m2. sec
C. Kg. sec/m
D. None of these - The dimension of kinematic viscosity is_________________?
A. ML-2T-1
B. L2T-1
C. ML-2T-2
D. None of these - Co-efficient of discharge (Cd) is defined as actual discharge/theoretical discharge and is equal to Cc . Cv; where Cc = Co-efficient of contraction and Cv = co-efficient of velocity. Cd of an orifice is usually about__________________?
A. 0.42
B. 0.62
C. 0.82
D. 0.98 - Cd, Cc and Cv are related (for flow through an orifice) as (where, Cd = discharge co-efficient, Cc = co-efficient of contraction = (area of jet at vena-contracta/area of opening), Cv = co-efficient of velocity = (actual velocity at vena-contracta/theoretical velocity)?
A. Cd = Cc/Cv
B. Cd = Cc.Cv
C. Cd = Cv/ Cc
D. None of these - Drag co-efficient CD, in Stoke’s law range is given by________________?
A. CD = 16/Re.p
B. CD = 24/Re.p
C. CD = 18.4/Re.p
D. CD = 0.079/Re
0.25.p - For motion of spherical particles in a stationary fluid, the drag co-efficient in hindered settling compared to that in free settling is _______________?
A. More
B. Less
C. Equal
D. More or less, depending on the type of particle
