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UNIVERSITY OF CENTRAL FLORIDA
EGN 3321 DYNAMICS
FALL 2015
EXAM #1
10/08/2015 4:30-5:45 AM
Instructions:
1. To obtain maximum credit for a problem, you must

4
150
ANALYTICAL KINEMATIC ANALYSIS OF PLANAR MECHANISMS
P4.18 The nomenclature for this group of problems is given
in Figure P4.18, and the dimensions and data are
given in Table P4.18. For each, determine the linear
displacement, linear velocity, and li

EGM 3601: Solid Mechanics
Lecture Notes IV: Torsion
Page IV -1
Lecture Notes IV supplements Chapter 5 of textbook.
Torsion
y
x
A
z
T
x
A
At point A, the shear strain,
, and shear stress,
, are:
y
x
MES
Page IV -1
E
EGM 3601: Solid
S
Mecha
anics
L
Lecture

EGM 3601: Solid Mechanics
Lecture Notes II: Stress and Strain
Page II-16
Material Properties [Ch. 3 of textbook]
(The relationship between stress and strain)
Uniaxial tension experiment:
Observations:
Stress,
A typical stress-strain curve of a ductile mat

EGM 3601: Solid Mechanics
Lecture Notes II: Stress and Strain
Page II-1
Lecture Notes II supplements Chapter 1.3-1.6, 2, 3, 10.6 of textbook.
Stress and Strain
Stress is a measure of internal force distribution in a deformable body.
Strain describes defor

EGM 3601: Solid Mechanics
Lecture Notes III: Axial Load and Deformation
Page III-1
Lecture Notes III supplements Chapter 4 of textbook.
Review
x
P
x
Axial loading causes normal stress with uniform distribution.
FBD to find internal force (make a
cut at x

INTRODUCTION TO HOMEWORK
David Spear Pg 1
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8-16 The four processes of an air-standard cycle are described. The cycle is to be shown on P-v and T-s 8-16 The four diagrams, and the maximum temperature iin the cycle and the thermal efficiency are to be detennined. diagrams, and the maximum temperatur

8 GGs ow" c,ckl P
8-70 [Also solved by EES Oil enclosedCD] A simple Brayton cycle with air as the working fluid has a
pressure raho ot~. Jbe air temperat\U"eat the turt>me eXIt, the net work output, ana the thermal emclency trbine exit, he net work.output

S-lC Water is not a fuel; thus the claim is f.:llse.
5-14C (a) No, (b) "'1tes.Accordin~to the second law, no heat engine can have and efficiency of 100%.
5-18
The
rates
of heat supply of this power plant
and J heat rejection pia
of a power
plant
are given

4-4C Energycan be transferred o or frOO) control volume as heat.variousfOnDS f work. and by mass t a o transport.
4-11 The radiator of a Sleamheating system is initially filled with superheated steam. The valves are closed. and steam is allowed to cool un

1-3C There is no truth to his claim It violates the second law of thennodynamics.
1.9 The variation of gravitational acceleration above the sea level is given as a function of altitude. The height at which the weight of a body wiLl.decrease by 1% is to be