MAT.SCIENCE+ENGIN.(PERUSALL ACCESS)
10th Edition
ISBN: 2818440149658
Author: Callister
Publisher: PERUSALL
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Chapter 17, Problem 3DP
To determine
A report on a real-life corrosion problem that has not been solved, conduct a thorough investigation as to the cause(s) and type(s) of corrosion, and propose possible solutions for the problem, indicating which of the solutions is best and why?
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1.11 (a) A test piece is cut from a brass
bar and subjected to a tensile test.
With a load of 6.4 kN the test piece, of
diameter 11.28 mm, extends by 0.04
mm over a gauge length of 50 mm.
Determine:
(i) the stress, (ii) the strain, (hi) the
modulus of elasticity.
(b) A spacer is turned from the same
bar. The spacer has a diameter of 28
mm and a length of 250mm. both
measurements being made at 20°C.
The temperature of the spacer is
then increased to 100°C, the natural
expansion
being entirely prevented. Taking the
coefficient of linear expansion to be 18
x 10-6/"C determine:
(i) the stress in the spacer, (ii) the
compressive load on the spacer.
[C.G.] [64MN/m2, 0.0008, 80GN/m2,
115.2 MN/m2, 71 KN.]
10:41
Don't use ai to answer I will report you answer
2. If the Ce value in Fig. 11-7 is changed to 0.1 μF, is the output still a PWM
waveform? Explain.
C₁
0.014
C₂ 100
R₁ 300
HF
8
Vcc
4
reset
output
3
discharge
7
2
trigger
5 control
voltage
U₁ LM555
6
threshold
GND
ODUCT
R₂
10k
ww
Bo
+12 V
22
R3
1k
VR
5k
www
Re 300
C5 100
ww
8
Vcc
4 reset
output 3
2 trigger
7
discharge
ли
R7
10k
PWM
Output
threshold
C6
-0.014
5 control
voltage
GND
Rs
2k
CA
U2 LM555 1
100μ
C3
0.01
Audio lutput
Fig. 11-7 Pulse width modulator
Chapter 17 Solutions
MAT.SCIENCE+ENGIN.(PERUSALL ACCESS)
Ch. 17 - Prob. 1QAPCh. 17 - Prob. 2QAPCh. 17 - Prob. 3QAPCh. 17 - Prob. 4QAPCh. 17 - Prob. 10QAPCh. 17 - Prob. 13QAPCh. 17 - Prob. 15QAPCh. 17 - Prob. 16QAPCh. 17 - Prob. 19QAPCh. 17 - Prob. 20QAP
Ch. 17 - Prob. 21QAPCh. 17 - Prob. 22QAPCh. 17 - Prob. 23QAPCh. 17 - Prob. 24QAPCh. 17 - Prob. 25QAPCh. 17 - Prob. 26QAPCh. 17 - Prob. 27QAPCh. 17 - Prob. 29QAPCh. 17 - Prob. 31QAPCh. 17 - Prob. 32QAPCh. 17 - Prob. 1DPCh. 17 - Prob. 2DPCh. 17 - Prob. 3DPCh. 17 - Prob. 1FEQPCh. 17 - Prob. 2FEQPCh. 17 - Prob. 3FEQP
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- PROD 1. What is the function of VR, in Figs. 11-2 and 11-7. DL RO 0.014 +12V R₁ 1k ww Vin(+) 6 C₁ 0.1μ Audio input HH VRI Vin(-) 4 U1 HА741 10k ww R2 10k UCTS 0.01 μ -12V PWM output Fig. 11-2 The pulse width modulator based on μA741 +12 V ° C₂ 100 R₁ 300 Re 300 Cs 100 ww ww Vcc 4 reset 2 trigger 5 control voltage U₁ LM555 GND www R₂ T₁ 10k output 3 discharge Z Voc output 3 reset VR₁ 5k 2 trigger 7 discharge Ra 1k threshold 6 control 6 threshold voltage GND Rs CA U2 LM555 1 2k 100 Ca 0.01 Audio lutput www R7 10k O PWM C6 -0.014 Fig. 11-7 Pulse width modulator 11/9 Outputarrow_forwardPRO3. In a point of view of voltage polarity, what is the difference between the output PWM signals in experiments 11-1 and 11-2? H ICTS Experiment 11-1.. Pulse Width Modulator Using uA741 Experiment 11-2 Pulse Width Modulator Using LM555arrow_forward18:02 28% 50 同 こ 【Recommend】 Easily add text in PDF 3 m 35 kN 4m 84 kN +3m EA = constant E = 200 GPa A T5 4m Add 1,200 mm² Find Horizontal and vertical displacement at B 4 kN m m- B Determine Vertical displacement at C Determine the displacement or point B of the steel beam shown in Take E200 GPa, I = 500(106) mm4. 5 m 2/ 40 kN B 12 kN/m 4 m. 12 kN/m 3 m B 10 m- E constant = 70 GPa I 554 (10) mm Determine Displacement at C ΙΣΤ Edit Annotate Fill & Sign Convert Allarrow_forward
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