A. 0.1
B. 0.01
C. 0.001
D. 0.0001
A. a circular disc or plate held normal to flow
B. a sphere
C. a cylinder
D. an airfoil
In which of the following the friction drag is generally larger than pressure drag? Read More »
Fluid Mechanics A. highest intensity of pressure occurs around the circumference at right angles to flow
B. lowest pressure intensity occurs at front stagnation point
C. lowest pressure intensity occurs at rear stagnation point
D. total drag is zero
When an ideal fluid flows past a sphere________________? Read More »
Fluid Mechanics A. log-log plot of friction factor against Reynolds number
B. log-log plot of relative roughness against Reynolds number
C. semi-log plot of friction factor against Reynolds number
D. semi-log plot of friction factor against relative roughness
Stanton diagram is a______________? Read More »
Fluid Mechanics A. velocity
B. discharge
C. head
D. pressure
Ay between two stream lines represents________________? Read More »
Fluid Mechanics A. x”7
B. x,/2
C. x4/5
D. x3/5
where x is the distance from leading edge
The boundary layer thickness in turbulent flow varies as______________? Read More »
Fluid Mechanics A. constant over the cross section
B. parabolic distribution across the section
C. zero at the mid plane and varies linearly with distance from mid plane
D. zero at plates and increases linearly to midpoint
A. H1/2
B. H3/2
C. H5/2
D. H
where H is head
In a Sutro weir, the discharge is proportional to________________? Read More »
Fluid Mechanics A. 1.00
B. 0.855
C. 0.7H
D. 0.611
Coefficient of contraction for an external cylindrical mouthpiece is_________________? Read More »
Fluid Mechanics A. slightly less
B. slightly more
C. nearly half
D. equal
