ID:FinalExamTime:110minutes
Name:Course:58:160,Fall2009
1.
A reducing elbow is used to deflect water flow at a rate of 30 kg/s in a horizontal pipe upward by an angle
=45 from the flow direction while accelerating it. The elbow discharges water into the
ID:Quiz:No.9Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A 3-mm-diameter glass ball (g = 2500 kg/m3) is dropped into a fluid whose density is 875 kg/m3, and the
terminal velocity is measured to be 0.12 m/s. Disrega
ID:Quiz:No.5Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A viscous fluid (fluid=80 lb/ft3;fluid =0.03 lb.s/ft2) is contained between two infinite, horizontal parallel
plate as shown. The fluid moves between the pla
ID:Quiz:No.10Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
The velocity potential for an ideal fluid flowing around a long cylinder is given by
B
r
Ar cos
The cylinder has a radius a and is placed in a uniform flo
ID:Quiz:No.8Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A laminar boundary layer velocity profile is approximated by
u / U [2 ( y / )]( y / ) for y ,
y . (a) Show that this profile satisfies the appropriate bounda
ID:Quiz:No.7Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
Water at 10C flows from a large reservoir to a smaller one through a 5-cmdiameter cast iron piping
system, as shown in the figure. Determine the elevation z1
ID:Quiz:Chapter3Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A reducing elbow is used to deflect water flow at a rate of 14 kg/s in a horizontal pipe upward 30 while
accelerating it. The elbow discharges water into
ID:Quiz:No.6Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
Some students want to measure the drag force of a spinning baseball. Their fluids laboratory has a nice
water tunnel into which they can measure the drag and
ID:Quiz:Chapter3Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A horizontal water jet of constant velocity V impinges normally on a vertical flat plate and splashes off the
sides in the vertical plane. The plate is m
ID:Quiz:Chapter1Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
The viscosity of a fluid is to be measured by a viscometer constructed of two 40-cm-long concentric cylinders. The
outer diameter of the inner cylinder i
ID:Quiz:Chapter2Time:15minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes.
A heavy car plunges into a lake during an accident and lands at the bottom of the lake on its wheels. The
door is 1.2 m high and 1 m wide, and the top ed
ID:2ndMidtermTime:50minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes. Only one formula sheet is allowed.
1. Steady, laminar flow occurs in the space between two fixed parallel, circular disks separated by a small
gap 2b. The f
ID:1stMidtermTime:50minutes
Name:Course:58:160,Fall2010
The exam is closed book and closed notes. Only one formula sheet is allowed.
1. Air at 110 kPa and 50C (=1.19kg/m3) flows upward through a 6-cm-diameter inclined duct at a rate of
0.045 m3/s. The du
ID:-Name: -
Final Exam
Course: 58:160, Fall 2010
Time: 120 minutes
The exam is closed book and closed notes. Only two formula sheets are allowed.
1. A parallel-disk viscometer consists of two circular disks of radius R separated by a small gap B (with R >