A steel rod 15mm diameter is held snugly (but without any initial stresses) between rigid walls by the  arrangement shown in the figure. (For the steel rod, use α= 12 x 10^-6 per deg. Celsius and E= 200GPa). a. Calculate the temperature drop (delta T) in degree Celsius at which the average shear stress in the  12mm diameter bolt becomes 55MPa. b. What ar ethe average bearing stresses in the bolt and clevis at A and the washer (dw = 20mm) and  wall (t= 18mm) at B?

Elements Of Electromagnetics
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A steel rod 15mm diameter is held snugly (but without any initial stresses) between rigid walls by the 
arrangement shown in the figure. (For the steel rod, use α= 12 x 10^-6 per deg. Celsius and E= 200GPa).
a. Calculate the temperature drop (delta T) in degree Celsius at which the average shear stress in the 
12mm diameter bolt becomes 55MPa.
b. What ar ethe average bearing stresses in the bolt and clevis at A and the washer (dw = 20mm) and 
wall (t= 18mm) at B?

Washer,
dw = 20 mm
12-mm diameter bolt
ΔΤ
В
15 mm
18 mm
Clevis,
t = 10 mm
Transcribed Image Text:Washer, dw = 20 mm 12-mm diameter bolt ΔΤ В 15 mm 18 mm Clevis, t = 10 mm
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