Q1/ The aluminum and bronze cylinders are centered and secured between two rigid end-plates by tightening the two steel bolts. There is no axial load in the assembly at a temperature of 50°F. Find the stress in the steel bolts when the temperature is increased to 200°F. Use the following data: 1.0 in. -3 in-4 in. F1.0 in. A (in.) a (J°F) E (psi) Aluminum cylinder 2.00 12.8 x 10-6 10 x 106 Bronze cylinder 3.00 10.5 x 10-6 12 x 10 Aluminum Bronze Each steel bolt 0.75 6.5 x 10-6 29 x 10

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Q1/ The aluminum and bronze cylinders are centered and secured between two rigid end-plates by
tightening the two steel bolts. There is no axial load in the assembly at a temperature of 50°F. Find the stress
in the steel bolts when the temperature is increased to 200°F. Use the following data:
1.0 in. -3 in--4 in. F1.0 in.
A (in.?)
a (J°F)
E (psi)
Aluminum cylinder
2.00
12.8 x 10-6
10 x 106
Bronze cylinder
3.00
10.5 x 10-6
12 x 10
Aluminum Bronze
Each steel bolt
0.75
6.5 x 10-6
29 x 10
Q2/ The rigid bar ABCD is supported by a pin at B and restrained by identical steel bars at C and D, each of
area 250 mm?. If the temperature is increased by 80°C, determine the force P that will cause the bar at C to
be stress-free. Use E = 200 GPa and a=12.8*10PC
3 m
0.8 m
0.6 m
Ce D
P
Transcribed Image Text:Q1/ The aluminum and bronze cylinders are centered and secured between two rigid end-plates by tightening the two steel bolts. There is no axial load in the assembly at a temperature of 50°F. Find the stress in the steel bolts when the temperature is increased to 200°F. Use the following data: 1.0 in. -3 in--4 in. F1.0 in. A (in.?) a (J°F) E (psi) Aluminum cylinder 2.00 12.8 x 10-6 10 x 106 Bronze cylinder 3.00 10.5 x 10-6 12 x 10 Aluminum Bronze Each steel bolt 0.75 6.5 x 10-6 29 x 10 Q2/ The rigid bar ABCD is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250 mm?. If the temperature is increased by 80°C, determine the force P that will cause the bar at C to be stress-free. Use E = 200 GPa and a=12.8*10PC 3 m 0.8 m 0.6 m Ce D P
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