The diameter of a cast iron manhole cover at 23°C is 500 mm. To what temperature should the cover be heated up so that its diameter expands by 1.0 mm? The coefficient of thermal expansion of the cast iron is 13 x 106 °C-1. Choose the one option that is closest to the corect answer. Select one: O 146°C O 98°C O 76°C O 176°C O 68°C O 244°C

The diameter of a cast iron manhole cover at 23°C is 500 mm. To what temperature should the cover be heated up so that its diameter expands by 1.0 mm? The coefficient of thermal expansion of the cast iron is 13 x 106 °C-1. Choose the one option that is closest to the corect answer. Select one: O 146°C O 98°C O 76°C O 176°C O 68°C O 244°C

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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The diameter of a cast iron manhole cover at 23°C is 500 mm. To what temperature should the
cover be heated up so that its diameter expands by 1.0 mm? The coefficient of thermal expansion
of the cast iron is 13 x 106 °C-1.
Choose the one option that is closest to the correct answer.
Select one:
O 146°C
O 98°C
O 76°C
O 176°C
O 68°C
O 244°C

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