ME 3322 D - FINAL Exam - Fall 2012
NAME:
NOTE: Show ALL your work. Where appropriate, you have to identify your
engineering models listing all the simplifying and idealizing assumptions. Failure to do
so may result in partial credit for the question.
Prob
ME 3322 D - Test 2 - Fall 2012
Name:
PLEASE NOTE: Wherever applicable, identify your engineering model= listing all
simplifying assumptions and idealizalions you need to make to solve the problem.
Failure to do so may result in partial credit for the ques
ME 3322 E - Test 1 - Fall 2008
Name:
PLEASE NOTE: For each question, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial credit for the questi
ME 3322 C - Test 2 - Spring 2012
Name:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial credit for the qu
ME 3322 B Test #2 - Spring 2009
PART A
Name:
Problem 1 (20 pts)
A piston-cylinder assembly contains air modeled as an ideal gas (constant cv, cp, specic
heat ratio k). The air undergoes a power cycle consisting of four processes in series:
- Process 1-2:
ME 3322 B - Test 1 - Spring 2010
Name:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial credit for the qu
ME 3322 B - Test 1 - Spring 2009
Name:
PLEASE NOTE: For each question, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do S0 may result in partial credit for the ques
ME 3322 D FINAL Exam - Fall 2013
NAME:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so will result in only partial credit even
ME 3322 B Test #2 - Spring 2010
PART B
Name:
Problem 4 (50 pts)
Consider the 3 ideal Rankine cycles with superheat shown above. In the 3 cases, the
condenser pressure is 10 kPa (0.1 bar). In case (a), the steam enters the turbine at T3 =
350 C and 3 M
ME 3322 D - Test 2 - Fall 2013
NAME:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so will result in only partial credit even
ME 3322 D - Test 1 - Fall 2012
Name:
PLEASE NOTE: Wherever applicable. identify your engineering model. listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial creditfor the quest
ME 3322 D - Test 1 - Fall 2013
Name:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial creditfor the quest
ME 3322 C - Test 1 - Spring 2012
Name:
PLEASE NOTE: Wherever applicable, identify your engineering model, listing all
simplifying assumptions and idealizations you need to make to solve the problem.
Failure to do so may result in partial credit for the qu
ME 3322D Fall 2016
Homework #4
Due on October 4th at 3:05pm (beginning of the lecture)
NO LATE HOMEWORK ACCEPTED
Problem 1. (30 points)
A heat pump (working in a thermodynamic cycle mode) is to be used to heat a house
during the winter. The house is to be
ME 3322D Fall 2016
Homework #1
Due on September 8th at 3:05pm (beginning of the lecture)
NO LATE HOMEWORK ACCEPTED
Problem 1 (40 points)
Consider as a system the gas in a vertical cylinder; the cylinder is fitted with a piston on
which a number of small w
ME 3322D Fall 2016
Homework #3
Due on September 27th at 3:05pm (beginning of the lecture)
NO LATE HOMEWORK ACCEPTED
Problem 1. (30 points)
A cylinder/piston setup contains 1.083 kg of saturated liquid refrigerant R-410a at 20 C.
The piston now slowly expa
ME 3322 E FINAL Exam - Fall 2008
Name:
Problem 1 (20 pts)
1 kg of air in a piston/cylinder assembly at P1 = 200 kPa and T1 = 600 K is expanded in a
constant-pressure process to twice the initial volume (state 2). The piston is then locked
with a pin and h
Problem 2 (20 pts)
Explain the effects of the boiler pressure and condenser pressure on the thermal
efciency of an ideal Rankine cycle. Sketch Ts diagrams and highlight the relevant areas
(mention their physical meanings) to explain your reasoning.
Hfto
ME 3322 B FINAL Exam - Spring 2010
Name:
NOTE: Show ALL your work. Where appropriate, you have to identify your
engineering models listing all the simplifying and idealizing assumptions. Failure to do
so may result in partial credit for the question.
Prob
ROBLEM 2M5
f_——-
Known: Can moves down a surface that is inclined relative to the horizontal. The can is
acted upon by a constant force parallel to the incline and by the force of gravity.
Find: Can’s change in kinetic energy, in J, and whether it is in
PROBLEM 6.8/
6.81 Steam at 15 bar, 540°C, 60 m/s enters an insulated turbine operating at steady state and
exits at 1.5 bar, 89.4'm/s. The work developed per kg of steam ﬂowing is claimed to be (a)
606.0 kJ/kg, (b) 765.9 kJ/kg. Can either claim be corre
9.11 Consider an air-standard Otto cycle. Operating data at principal states in the cycle are
given in table below. The states are numbered as in Fig. 9.3. The mass of air is 0.002 kg.
Determine
(a) the heat addition and heat rejection, each in M.
(b) the
9.61 The cycle of Problem 9.60 is modiﬁed to include a regenerator with an effectiveness of
70%. Determine
(a) the speciﬁc enthalpy, in klkg, and the temperature, in K, for each stream exiting the
regenerator and sketch the T—s diagram,
(b) the mass ﬂow r
PEQGLEM 7f 22.
Refrigerant 134a vapor initially at 1 bar and 20°C fills a yﬁrmn th Call/EN DATA :
rigid vessel. The vapor is cooled until the temperature
becomes —32°C. There is no work during the process. For 1“ ““' =7
the refrigerant, determine the heat
PROBLEM 5’- q
{womb}: Ua+er is ﬁne workuhg +Luid I‘m an ideal EQHLI‘W: cgqfc. 7112 condenser“
and 13mm jLner‘akar Pft'ssufcs are. weed-fed a: n. ’Probiem 5.7.
Plo+ each 01“ 4M, Quanh'ﬁ'e: aafcula+ed 1'11 Problem 8.“! Versus J'urbl‘na
fule'l- kMperal‘um mn
PROB L E M 4.37
[SE—932‘“: Skmd'T—g-Jm—‘t Opeﬂﬁnj d‘m “WC PNIVZdEQl QraJQtehju‘J-re.
M5 'Dekrm-cne. +u “lawn—l :1th dd‘f'FK-fer— avast.
a-n "' GWEN ‘DA :
w ENGE. MODEL
Diffuser Compressor Cumbusmrs Nozzle L Ac: Shag? v“: +9“ tutti I”
can a v m e "\ 0:
ME 3322 B FINAL Exam Spring 2009
Name:
NOTE: Show ALL your work. Where appropriate, you have to identify your
engineering models listing all the simplifying and idealizing assumptions. Failure to do
so may result in partial credit for the question.
Proble
ME 3322 E - Test 2 Fall 2008
Name:
Problem 1 (20 pts)
Determine the number of phases in a system consisting of water at the following
conditions and sketch the P-T, PV, and TV diagrams clearly showing the location of
each state:
(a) (10 points) T= 200C, P
ME 3322 B Test #2 - Spring 2010
PART A
Name:
Problem 1 (15 pts)
Determine the number of phases in a system consisting of water at the following
conditions and sketch the PT, P-Uj and T-Udiagrams clearly showing the location of
each state:
(a) T= 200C, P =
ME 3322 D Fall 2016
Homework #9
DUE DATE: Thursday December 1st at 3:05pm (beginning of lecture)
NO LATE HW ACCEPTED
NOTE: TWO DIFFERENT GRADERS WILL GRADE THIS HOMEWORK. ONE
GRADER WILL GRADE PROBLEM 1, THE OTHER WILL GRADE PROBLEM 2.
PLEASE HAND IN TWO