57:020 Mechanics of Fluids and Transport
September 3, 2010
NAME
Fluids-ID
Quiz 1.
In the figure shown at the right, the fluid is glycerin at 20C ( = 1.5
Ns/m2) and the width between plates is L = 6 mm. What shear
stress (in Pa) is required to move the upp
57:020 Mechanics of Fluids and Transport
September 15, 2010
NAME
Fluids-ID
Quiz 2. A 1-ft-radius hemispherical plexiglass bubble is to be used as a special
window on the side of an above-ground swimming pool. The window is to be
bolted onto the vertical w
57:020 Mechanics of Fluids and Transport
October 1, 2010
NAME
Fluids-ID
Quiz 4. The velocity field near a stagnation point (see figure) may be
written in the form
=
0
=
0
where 0 and are constants. For the particular case = 1.5 m, if the
resultant accel
57:020 Mechanics of Fluids and Transport
September 27, 2013
NAME
Fluids-ID
Quiz 4. The specific gravity of the manometer fluid shown in the
Figure is 1.07. Determine the flow rate Q if viscous and compressibility effects are negligible and the flowing flu
57:020 Mechanics of Fluids and Transport
October 18, 2013
NAME
Fluids-ID
Quiz 7. The horizontal nozzle in the Figure has D1=10 in and D2 =6 in.
The inlet pressure p1=60 psia (absolute pressure), and the exit
velocity V2=85 fps. Compute the tensile force o
57:020 Mechanics of Fluids and Transport
September 16, 2013
NAME
Fluids-ID
Quiz 2.
A large, open tank contains water and is connected to a 6-ft-diameter
conduit as shown the Figure. A circular plug is used to seal the conduit.
(Hints: Ixc = R4/4, = 62.4 l
57:020 Mechanics of Fluids and Transport
October 2, 2013
NAME
Fluids-ID
Quiz 5. The velocity field is given by the equation below;
8
= = + 5
1) Find the unsteady (local) acceleration of
2) Find the convective acceleration of
3) Find the acceleration f
57:020 Mechanics of Fluids and Transport
October 16, 2013
NAME
Fluids-ID
Quiz 6. A water jet pump (See figure) involves a jet cross sectional area of 0.01 m2, and a jet velocity of
30 m/s. The jet is surrounded by entrained water. The total cross-sectiona
57:020 Mechanics of Fluids and Transport
September 9, 2013
Your grades have been modified to give extra credit for attendance.
The grade on your quizzes follows the grading key below. However your
final grade on class website is calculates as follows;
Fin
ME 3351 Engineering Instrumentation
Fall 2016
Homework 5: Analog Circuits Wheatstone Bridges and Voltage Dividers
Electronic submission via ICON only; due by 5pm on Sep. 27. Clearly state any
assumptions you make in your solution.
Problem 1: Balanced Whea
ME 3351 Engineering Instrumentation
Fall 2016
Homework 4: Uncertainty Analysis
Electronic submission via ICON only; due by 5pm on Sep. 20.
Unless otherwise specified, all uncertainties are to be calculated at 95% confidence
level. Clearly state any assump
ME 3351 Engineering Instrumentation
Fall 2016
Homework 7: Aliasing, Leakage, Frequency Spectra
Electronic submission via ICON only; due by 5pm on October 11.
Problem 1: Determine the alias frequency that results from sampling
f1
at
sample rate f s :
f 1 =
ME 3351 Engineering Instrumentation
Fall 2016
Homework 6: Analog Circuits Wheatstone Bridges and Voltage Dividers
Electronic submission via ICON only; due by 5pm on October 4.
Problem 1: Signal Representation
For the following sine and cosine functions de
ME 3351 Engineering Instrumentation
Fall 2016
Homework 3: Linear Regressions and Outlier Analysis
Assigned on September 6; Due by 5 pm on September 13. (Electronic submission
via ICON only)
You will need to use LINEST in MS Excel to solve the following pr
ME 3351 Engineering Instrumentation
Fall 2016
Homework 2: Statistics of Large Populations and Finite Data Sets
Assigned on August 30; Due by 5 pm on September 6. (Electronic submission via ICON only)
Refer to the standard normal error function table and s
Thermodynamic II: Final Test (Spring 2014)
Name: _
1. (50 points)
Short Answer Questions:
A- In a gas mixture, which component will have the higher partial pressure: (a) the one with
the higher mole number or (b) the one with the larger molar mass? _
B- H
Consider a steam power plant that operates on the ideal reheat Rankine cycle. The plant
maintains the boiler afglllﬂlﬂl kl'a,the reheat section am kPa, and the condenser aﬂll} kPa.
The miIture qualityr at the exit of both turbines is 93 percent. Determine
The net work output and the thermal efﬁciency for the Carnot and the simple ideal Rankine
cycles with steam as the working ﬂuid are to be calculated and compared. Steam enters the
turbine in both cases at l'llI MPa as a saturated vapor, and the condenser
A steam Rankine cycle operates the condenser at l psia and the boﬂer at 2,501! psia, 1While the
temperature at the inlet of the turbine is m. The turbine's isentropic efﬁciency is 9|} percen
the pump losses are negligible, and the cycle is sized to produc
Consider a it ealljr—ﬂow Carnot cycle with water as the worldng ﬂuid. The maximum and
minimum temperature! in the cycle are 351} and WC. The qualitjr of water is 11.39] at the
beginning of the heat—rejection process and ll]'.l at the end. Determine {a} th
Consider a coal—ﬁred steam power plant that produclﬂlll]I MW of electric power. The power
plant operates on a simple ideal Rankine cycle with turbine inlet conditions of 5 MPa and W
and a condenser pressure of 25 kPa. The coal has a heatinJﬂJr 1i'alue {en
- I I II III I “II” _
An aircraft engine operates as a simple ideal Brayton cycle. Consider such an engine
whose pressure ratio is 12.4 when heat is added to the cycle at a rate of 5111} kW; air
passes through the engine at a rate of 1.61 kgfs; and the ai