a) Three blocks A, B, and C and a grooved block D have dimensions a, b, c, and d as follows: a= 1.500 ± 0.001 in b= 2.000 ± 0.003 in c= 3.000 ± 0.004 in d= 6.520 ± 0.010 inDetermine the mean gap ￣w and its tolerance.Determine the mean size of d that will assure that w ≥ 0.010 in.b) A 1-in-diameter rod, 3 ft long, of unknown material is found in a machine shop. A variety of inexpensive nondestructive tests are readily available to help determine the material, as described below with results in bracket: i. Visual inspection. (Dark gray, rough surface finish, moderate scale) ii. Check if it is attracted to a magnet. (Yes) iii. Measure Weight. (7.95lbf) iv. Inexpensive bending deflection test: Clamp one end in a vise, leaving 24 in cantilevered. (5/16in) v. Brinell hardness test. (HB = 200) A Table A-5*onen prefemst.Physical Constants of MaterialsModulus ofElasticity EMpsi GPaModulus ofRigidlity GMpslPaisson'sUnit Welght wMaterlalGPaRatlobf/In Ibf/ft kN/mAluminum (all alkays)Beryllium copper10471.73.926.90.3330.09816926.6180124.07.048.30.2850.29751380.6Brass15.4106.05.8240.10.3240.30953483.8Cartn steel300207.011.579.30.2920.28248776.5Cast imn (gray)145100.06.041.40.2110.26045070.6Copper17.2119.06.4944.70.3260.32255687.3Douglas fir1.611.00.64.10.330.016284.3Glass6746.22.718.60.2450.09416225.4Inconel31.0214.011.075.80.2900.30753083.3Lead5336.51.913.10.4250.411710111.5Magnesium6.544.82.416.50.3500.06511217.6Molybdenum480331.017.0117.00.3070.368636100.0Monel metal26.0179.09.565.50.3200.31955186.6Nickel silver185127.07.048.30.3220.31654685.8Nickel sieel300207.011.579.30.2910.28048476.0Phasphor beanneStainless steel (18-8)16.1111.06.041.40.3490.29551080.127.6190.010.6T3.10.3050.28048476.0Titanium alkays165114.06.242.40.3400.16027643.4

Permissible stress is stress which produces due to pressure or forces which does not exceed the…

Answered: a) Three blocks A, B, and C and a…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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a) Three blocks A, B, and C and a grooved block D have dimensions a, b, c, and d as follows:

a= 1.500 ± 0.001 in

b= 2.000 ± 0.003 in

c= 3.000 ± 0.004 in

d= 6.520 ± 0.010 in

Determine the mean gap ￣w and its tolerance.
Determine the mean size of d that will assure that w ≥ 0.010 in.

b) A 1-in-diameter rod, 3 ft long, of unknown material is found in a machine shop. A variety of inexpensive nondestructive tests are readily available to help determine the material, as described below with results in bracket:

i. Visual inspection. (Dark gray, rough surface finish, moderate scale)

ii. Check if it is attracted to a magnet. (Yes)

iii. Measure Weight. (7.95lbf)

iv. Inexpensive bending deflection test: Clamp one end in a vise, leaving 24 in cantilevered. (5/16in)

v. Brinell hardness test. (HB = 200)

Table A-5
*onen prefemst.
Physical Constants of Materials
Modulus of
Elasticity E
Mpsi GPa
Modulus of
Rigidlity G
Mpsl
Paisson's
Unit Welght w
Materlal
GPa
Ratlo
bf/In Ibf/ft kN/m
Aluminum (all alkays)
Beryllium copper
104
71.7
3.9
26.9
0.333
0.098
169
26.6
180
124.0
7.0
48.3
0.285
0.297
513
80.6
Brass
15.4
106.0
5.82
40.1
0.324
0.309
534
83.8
Cartn steel
300
207.0
11.5
79.3
0.292
0.282
487
76.5
Cast imn (gray)
145
100.0
6.0
41.4
0.211
0.260
450
70.6
Copper
17.2
119.0
6.49
44.7
0.326
0.322
556
87.3
Douglas fir
1.6
11.0
0.6
4.1
0.33
0.016
28
4.3
Glass
67
46.2
2.7
18.6
0.245
0.094
162
25.4
Inconel
31.0
214.0
11.0
75.8
0.290
0.307
530
83.3
Lead
53
36.5
1.9
13.1
0.425
0.411
710
111.5
Magnesium
6.5
44.8
2.4
16.5
0.350
0.065
112
17.6
Molybdenum
480
331.0
17.0
117.0
0.307
0.368
636
100.0
Monel metal
26.0
179.0
9.5
65.5
0.320
0.319
551
86.6
Nickel silver
185
127.0
7.0
48.3
0.322
0.316
546
85.8
Nickel sieel
300
207.0
11.5
79.3
0.291
0.280
484
76.0
Phasphor beanne
Stainless steel (18-8)
16.1
111.0
6.0
41.4
0.349
0.295
510
80.1
27.6
190.0
10.6
T3.1
0.305
0.280
484
76.0
Titanium alkays
165
114.0
6.2
42.4
0.340
0.160
276
43.4

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