ME 302: Assignment #1
Worksheet on Units
Problems in Textbook:
1-10 1991 N
1-15 25.5 lbf, 150 lbf
1-19 C
1-23 C
1-25 C
1-28 C
1-39 45R, 25K, 25C
1-49 11.44 psia, 13.96 psia
1-57 18 kpa,
1-62 147 kPa
1-91 1.0 m
1-99 95.7 kPa, 115 kg
1-107 0.0408 kg
1-115
Problem #1:
Steam is the working fluid in an ideal Rankine cycle. Saturated vapor enters the turbine at 8.0 MPa and
saturated liquid exits the condenser at a pressure of 0.01MPa. The net power output of the cycle is
100MW. Determine for the cycle:
a)
ther
Problem 1:
At the beginning of the compression process of an air-standard Otto cycle, the pressure is 100 kPa, the
temperature is 290 K and the volume is 400 cm3. The maximum temperature in the cycle is 2200 K and the
compression ratio is 8. Determine:
a)
Helium is contained in a cylinder device fitted with a piston. The piston initially rests on a set
of stops, and a pressure of 300kPa is required to move the piston. Initially, the helium is at
110 kPa and 27C and occupies a volume of 0.3 m3. Determine th
Helium is contained in a cylinder device fitted with a piston. The piston initially rests on a set
of stops, and a pressure of 250kPa is required to move the piston. Initially, the helium is at
90 kPa and 27C and occupies a volume of 0.2 m3. Determine the
Q2A: Oxygen gas within a piston-cylinder assembly undergoes an expansion from a volume
V1 = 0.03 m3 to a volume V2 = 0.2 m3. The relationship between pressure and volume during
the process is:
A
+B
P
V 1.4
In this equation, A = 4 kPa*m^(4.2) and B = 320
Problem 1:
At the beginning of the compression process of an air-standard Otto cycle, the pressure is 100 kPa, the
temperature is 290 K and the volume is 400 cm3. The maximum temperature in the cycle is 2200 K and the
compression ratio is 8. Determine:
a)
Thermodynamics I
Page 1 of 2
Formulae
P
V2
E mech = m +
+ gz
2
1
E = m u + V 2 + gz
2
Ein E out = E system
Qin Qout + Win Wout = U + KE + PE
x=
mvapor
(m mass and x quality)
mtotal
y avg = y f + xy fg
(y u/v/h/s)
( y y1 ) = y 2 y1 (x x1 )
(Interpolatio
A vertical piston-cylinder device contains a gas at an absolute pressure of 16 psi as shown. The
piston has a mass of 30 lbm and a diameter of 5 in. Pressure of the gas is to be increased by
placing some weights on top of the piston. Determine the local a
A vertical piston-cylinder device contains a gas at an absolute pressure of 15 psi as shown. The
piston has a mass of 10 lbm and a diameter of 4 in. Pressure of the gas is to be increased by
placing some weights on top of the piston. Determine the local a
You have a job in Sierra Leone with Engineers without Borders to design a tower for
an elevated water tank. The cylindrical tank is positioned 5 m above the ground and
full of water. Using the rubric as a guide, calculate the weight of the tank in N if th
You have a job in Sierra Leone with Engineers without Borders to design a tower for
an elevated water tank. The cylindrical tank is positioned 5 m above the ground and
full of water. Using the rubric as a guide, calculate the weight of the tank in N if th
ME 302
Name_
Fall 2016
Quiz 3 September 15th 2016
KEY
Quiz Score_
Note: You have 25 minutes to complete this quiz. Show all the steps clearly. Use of approved
calculator is allowed for this quiz. The quiz is worth 100 Points. The quiz is closed book and
c
The inverted Utube manometer contains oil (SG = 0.9) and water as shown below. The pressure
differential between pipes A and B, pA pig is -2.5 kPa. Determine the differential reading 11.
Take pmm = 1000 kg/m3 and g = 9.8] 111/52.
6%; ,- o 1%?qu
+i30
+ fwj
Air enters a nozzle steadily at 50 psia, 140F, and 150 ft/s and leaves at 14.7 psia and 900 ft/s. The heat loss
from the nozzle is estimated to be 6.5 Btu/lbm of air owing. The inlet area of the nozzle is 0.1 ftz. Determine
(a) the exit temperature of air
Name_KEY_
ME 302
Quiz Score_
Fall 2016
Quiz 2 September 8th 2016
Note: You have 20 minutes to complete this quiz. Show all the steps clearly. Use of approved calculator is
allowed for this quiz. The quiz is worth 100 Points. The quiz is closed book and cl
ME 302
Quiz Score_
Fall 2016
Quiz 4 September 29th 2016
Name_
Note: You have 30 minutes to complete this quiz. Show all the steps clearly. Use of approved calculator is
allowed for this quiz. The quiz is worth 100 Points. The quiz is closed book and close
ME 302
Steam enters an adiabatic turbine at 7 MPa, 600C, and 80 m/s and leaves at 50 kPa, 150C, and 140 m/s. If the
power output of the turbine is 6 MW, determine the:
(a) mass flow rate of the steam flowing through the turbine
(b) isentropic efficiency o
ME 302
Name_
Fall 2016
Quiz 9, November 17th 2016
Key for Versions 1 and 3
Quiz Score_
Note1,3: You have 45 minutes to complete this quiz. Show all the steps clearly. Use of approved
calculator and property tables booklet is allowed for this quiz. The qui
Week 1: Matlab Homework
GH 1/8/15
1. Watch this short instructional video to see an example of getting started:
http:/youtu.be/N3dDlXUh2BM?hd=1
2. Go to the matlab documentation page to get a general idea of how matlab
math works. ht
GENERATOR DESIGN
Group Members:
Tate Sanders
John Burlile
Jarallah Alnazhah
Engineering 120 Lab F, Boise State University
November 13th, 2013
DESIGN INVESTIGATIONS
1st Option
-Coil being
spun(overlapping)
2nd Option
-Rotating
Coil(Perpendicular)
Ma
Exercise 12.1 (Solutions)
MathCity.org
Textbook of Algebra and
and Trigonometry for Class XI
Merging man and maths
Available online @ http:/www.mathcity.org, Version: 1.0.0
Exercise 8.3 (Solutions)
mathcity.org
Textbook of Algebra and Trigonometry for Class XI
Merging man and maths
Available online @ http:/www.mathcity.org, Version: 1.0.5
Binomial Theorem when n is negative or fraction:
When n is negative or fraction and x <
mathcity.org
Merging man and maths
Exercise 8.2 (Solutions)
Page 273
Textbook of Algebra and Trigonometry for Class XI
Available online @ http:/www.mathcity.org, Version: 1.3.1
Binomial Theorem
If a and x are two real number and n is a positive integer t
mathcity.org
Merging man and maths
Exercise 10.2 (Solutions)
Textbook of Algebra and Trigonometry for Class XI
Available online @ http:/www.mathcity.org, Version: 1.0.2
Question # 1
(i) L.H.S = sin(180 + ) = sin180 cos + cos180 sin
= sin ( 0 ) cos + ( 1)