At room temperature the gap between bar A and bar B shown in Fig. 8.54 is 0.2 mm. What are the stresses developed in the bars, if temperature rise is 30°C ? Given: A. = 800 mm² E. = 2 x 10° N/mm? a = 12 x 106/°C = 600 mm² A, E, = 1 x 10° N/mm? a, = 23 × 106 °C L, = 200 mm. %3D Lu = 250 mm [Ans. P. = 7.15 N/mm² ; p, = 9.53 N/mm²] Bar A Bar B 250 mm 200 mm-
At room temperature the gap between bar A and bar B shown in Fig. 8.54 is 0.2 mm. What are the stresses developed in the bars, if temperature rise is 30°C ? Given: A. = 800 mm² E. = 2 x 10° N/mm? a = 12 x 106/°C = 600 mm² A, E, = 1 x 10° N/mm? a, = 23 × 106 °C L, = 200 mm. %3D Lu = 250 mm [Ans. P. = 7.15 N/mm² ; p, = 9.53 N/mm²] Bar A Bar B 250 mm 200 mm-
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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![At room temperature the gap between bar A and bar B shown in Fig. 8.54 is 0.2 mm. What are the
stresses developed in the bars, if temperature rise is 30°C ? Given:
A. = 800 mm²
E = 2 x 10° N/mm? E, = 1 x 10° N/mm?
= 12 x 10/°C
= 250 mm
A, = 600 mm²
%3D
%3D
az = 23 x 106 °C
L, = 200 mm.
La
[Ans. Pa = 7.15 N/mm² ; p, = 9.53 N/mm²]
Bar A
Bar B
250 mm
200 mm](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F31ea8271-1bf3-45ea-8b64-3aa88748f45d%2F9f6402cb-3fcb-4060-a20d-de1cfc218ca2%2Fqd34lad_processed.png&w=3840&q=75)
Transcribed Image Text:At room temperature the gap between bar A and bar B shown in Fig. 8.54 is 0.2 mm. What are the
stresses developed in the bars, if temperature rise is 30°C ? Given:
A. = 800 mm²
E = 2 x 10° N/mm? E, = 1 x 10° N/mm?
= 12 x 10/°C
= 250 mm
A, = 600 mm²
%3D
%3D
az = 23 x 106 °C
L, = 200 mm.
La
[Ans. Pa = 7.15 N/mm² ; p, = 9.53 N/mm²]
Bar A
Bar B
250 mm
200 mm
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