Precision Machining Technology
3rd Edition
ISBN: 9781337795302
Author: Peter, Hoffman.
Publisher: Cengage Learning,
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Textbook Question
Chapter 2.8, Problem 16RQ
What type of cutting fluids should never be used when machining magnesium alloys?
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find the laplace transform for the
flowing function
2(1-e)
Ans. F(s)=-
S
12)
k
0
Ans. F(s)=
k
s(1+e)
0 a
2a 3a 4a
13)
2+
Ans. F(s)=
1
s(1+e")
3
14) f(t)=1, 0
Find the solution of the following Differential Equations
Using Laplace Transforms
1) 4y+2y=0.
y(0)=2.
y'(0)=0.
2) y+w²y=0,
(0)=A,
y'(0)=B.
3) +2y-8y 0.
y(0)=1.
y'(0)-8.
4)-2-3y=0,
y(0)=1.
y'(0)=7.
5) y-ky'=0,
y(0)=2,
y'(0)=k.
6) y+ky'-2k²y=0,
y(0)=2,
y'(0) = 2k.
7) '+4y=0,
y(0)=2.8
8) y+y=17 sin(21),
y(0)=-1.
9) y-y-6y=0,
y(0)=6,
y'(0)=13.
10) y=0.
y(0)=4,
y' (0)=0.
11) -4y+4y-0,
y(0)=2.1.
y'(0)=3.9
12) y+2y'+2y=0,
y(0)=1,
y'(0)=-3.
13) +7y+12y=21e".
y(0)=3.5.
y'(0)=-10.
14) "+9y=10e".
y(0)=0,
y'(0)=0.
15) +3y+2.25y=91' +64.
y(0)=1.
y'(0) = 31.5
16)
-6y+5y-29 cos(2t).
y(0)=3.2,
y'(0)=6.2
17) y+2y+2y=0,
y(0)=0.
y'(0)=1.
18) y+2y+17y=0,
y(0)=0.
y'(0)=12.
19) y"-4y+5y=0,
y(0)=1,
y'(0)=2.
20) 9y-6y+y=0,
(0)-3,
y'(0)=1.
21) -2y+10y=0,
y(0)=3,
y'(0)=3.
22) 4y-4y+37y=0,
y(0)=3.
y'(0)=1.5
23) 4y-8y+5y=0,
y(0)=0,
y'(0)=1.
24)
++1.25y-0,
y(0)=1,
y'(0)=-0.5
25) y 2 cos(r).
y(0)=2.
y'(0) = 0.
26)
-4y+3y-0,
y(0)=3,
y(0) 7.
27) y+2y+y=e
y(0)=0.
y'(0)=0.
28) y+2y-3y=10sinh(27),
y(0)=0.
y'(0)=4.
29)…
Auto Controls
A union feedback control system has the following open loop transfer function
where k>0 is a variable proportional gain
i. for K = 1 , derive the exact magnitude and phase expressions of G(jw).
ii) for K = 1 , identify the gaincross-over frequency (Wgc) [where IG(jo))| 1] and phase cross-overfrequency [where <G(jw) = - 180]. You can use MATLAB command "margin" to obtain there quantities.
iii) Calculate gain margin (in dB) and phase margin (in degrees) ·State whether the closed-loop is stable for K = 1 and briefly justify your answer based on the margin . (Gain marginPhase margin)
iv. what happens to the gain margin and Phase margin when you increase the value of K?you
You can use for loop in MATLAB to check that.Helpful matlab commands : if, bode, margin, rlocus
NO COPIED SOLUTIONS
Chapter 2 Solutions
Precision Machining Technology
Ch. 2.1 - Briefly describe what you believe are the two most...Ch. 2.1 - Briefly describe what you believe are the two most...Ch. 2.1 - What should be done in the case of a personal...Ch. 2.1 - What does OSHA stand for and what is OSHA's...Ch. 2.1 - List three specific clothing items that should not...Ch. 2.1 - If someone working around machinery has long hair,...Ch. 2.1 - Never operate machinery without proper ______ in...Ch. 2.1 - What is PPE?Ch. 2.1 - What is the most common and important piece of PPE...Ch. 2.1 - What does HCS stand for?
Ch. 2.1 - What does GHS stand for?Ch. 2.1 - What is a pictogram?Ch. 2.1 - What does NFPA stand for?Ch. 2.1 - What does HMIS stand for?Ch. 2.1 - Prob. 15RQCh. 2.1 - Prob. 16RQCh. 2.1 - Class A fire extinguishers use ______ as a media...Ch. 2.1 - What class of fire extinguisher should be used on...Ch. 2.1 - What class of fire extinguisher should be used on...Ch. 2.1 - What is the purpose of lockout and tagout...Ch. 2.2 - What is the inch equivalent of 1 millimeter?Ch. 2.2 - What is the inch equivalent of 32.5 mm to the...Ch. 2.2 - Use the decimal equivalent chart on page 69 to...Ch. 2.2 - Use the decimal equivalent chart on page 69 to...Ch. 2.2 - Use the decimal equivalent chart on page 69 to...Ch. 2.2 - What does parallel mean?Ch. 2.2 - What does perpendicular mean?Ch. 2.2 - What is the radius of a 3.65-inch-diameter circle?Ch. 2.2 - What is the circumference of the circle in the...Ch. 2.2 - What are the Cartesian coordinates of the four...Ch. 2.2 - Label the hypotenuse, adjacent side, and opposite...Ch. 2.3 - Define semi-precision measurement.Ch. 2.3 - What is comparison measurement?Ch. 2.3 - List three rules to follow when or storing...Ch. 2.3 - List the parts of the combination set.Ch. 2.3 - Describe four uses of the combination set.Ch. 2.3 - What semi-precision tool is used to take angular...Ch. 2.3 - What type of square has a blade that can be tilted...Ch. 2.3 - Identify the following tools.Ch. 2.4 - List three key points in caring for precision...Ch. 2.4 - What type of fixed gage can be used to check hole...Ch. 2.4 - What type of fixed gage can be used to check a...Ch. 2.4 - How is the go member of a go/no-go ring gage set...Ch. 2.4 - What type of fixed gage can be used to check...Ch. 2.4 - A _____________ can provide a reference plane for...Ch. 2.4 - What two other tools could be used with the answer...Ch. 2.4 - ___________ is the process of attaching gage...Ch. 2.4 - What is the smallest graduation on an English...Ch. 2.4 - What is the smallest graduation on a metric...Ch. 2.4 - A micrometer uses an accurate __________ to...Ch. 2.4 - What is the smallest graduation on an inch...Ch. 2.4 - What is the smallest graduation on a metric...Ch. 2.4 - What is calibration and why is it important?Ch. 2.4 - What is a transfer-type measuring tool?Ch. 2.4 - What are the two basic types of indicator...Ch. 2.4 - Briefly describe the main difference between the...Ch. 2.4 - A sine tool uses the trigonometric function of...Ch. 2.4 - List the two most common methods for measuring...Ch. 2.4 - What are one advantage and one disadvantage of...Ch. 2.4 - A(n) ________ displays a magnified image of a part...Ch. 2.4 - What other tool can be useful for measuring very...Ch. 2.4 - What does CMM stand for?Ch. 2.5 - What are the four basic parts of a process plan?Ch. 2.5 - Briefly define quality control and explain its...Ch. 2.5 - Briefly explain the purpose of a sampling plan.Ch. 2.5 - What is the purpose of an inspection plan?Ch. 2.5 - What is the important factor to consider when...Ch. 2.5 - What does SPC stand for?Ch. 2.5 - What does an X-bar chart track?Ch. 2.5 - What does an R-chart track?Ch. 2.5 - If an X-bar chart graph is between LCL and the...Ch. 2.5 - If an X-bar chart graph falls below the LCL or...Ch. 2.6 - What is the difference between ferrous and...Ch. 2.6 - Briefly describe an alloy.Ch. 2.6 - Name three alloying elements added to steel.Ch. 2.6 - What is cast iron?Ch. 2.6 - What element is in stainless steel that makes it...Ch. 2.6 - Small particles of________ alloys are flammable.Ch. 2.6 - What are the two major benefits of titanium?Ch. 2.6 - What does AISI stand for?Ch. 2.6 - What does SAE stand for?Ch. 2.6 - What is (are) the major alloying element(s) in...Ch. 2.6 - What is (are) the major alloying element(s) in...Ch. 2.6 - What does IADS stand for?Ch. 2.6 - What is the overall purity of 1030 aluminum?Ch. 2.6 - What is (are) the major alloying element(s) of...Ch. 2.6 - What does UNS stand for?Ch. 2.7 - Briefly define the term heat treatment.Ch. 2.7 - Direct hardening can be performed on steel...Ch. 2.7 - ________ is the rapid cooling of metal during heat...Ch. 2.7 - What type of hardening operation that leaves the...Ch. 2.7 - In what two ways can the process described in the...Ch. 2.7 - What method is used to harden low-carbon steels?Ch. 2.7 - List two methods of performing the operation...Ch. 2.7 - After hardening, steel is very hard and brittle....Ch. 2.7 - Briefly define annealing.Ch. 2.7 - Prob. 10RQCh. 2.7 - A dual-chamber furnace allows the user...Ch. 2.7 - In addition to standard PPE, what specific PPE and...Ch. 2.7 - What hardness testing scale uses many different...Ch. 2.7 - What is a Brale penetrator and what hardness scale...Ch. 2.8 - Why is a routine maintenance plan important?Ch. 2.8 - What is a lubricant?Ch. 2.8 - List three methods of applying lubricants to...Ch. 2.8 - List two components of machine tools that should...Ch. 2.8 - Briefly describe a gib.Ch. 2.8 - What are the purposes of cutting fluids?Ch. 2.8 - What are the two major types of cutting fluids?Ch. 2.8 - Prob. 8RQCh. 2.8 - What two ingredients are often used as additives...Ch. 2.8 - Oils that can be combined with water are...Ch. 2.8 - What is the major benefit of cutting fluids that...Ch. 2.8 - What is the difference between synthetic and...Ch. 2.8 - A______ can be used to measure cutting fluid...Ch. 2.8 - List three methods of applying cutting fluids.Ch. 2.8 - Always review the________ before using any...Ch. 2.8 - What type of cutting fluids should never be used...
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