A steel ring at a room temperature has a radius of R, of 1.00 mm x 1.00 mm. One like to insert a bar of radius R = 2.002 cm into the ring. The following data is known for steel: 2.00 cm and a cross section area • Young Modulus E 2.00 x 1011 Pa. %3D • Coefficient of length contraction a = 1.20 x 10–5 C1 • Specific heat capacity c = 511 J.kg¬1.C-1 • Mass density p= 8050 kg.m-3 (a) What is the amount of heat needed for heating the ring so that the rod can fitted into it. (b) Assume the rod is rigid, calculate the pressure on the surface of the rod as the steel cool down to the room temperature.

A steel ring at a room temperature has a radius of R, of 1.00 mm x 1.00 mm. One like to insert a bar of radius R = 2.002 cm into the ring. The following data is known for steel: 2.00 cm and a cross section area • Young Modulus E 2.00 x 1011 Pa. %3D • Coefficient of length contraction a = 1.20 x 10–5 C1 • Specific heat capacity c = 511 J.kg¬1.C-1 • Mass density p= 8050 kg.m-3 (a) What is the amount of heat needed for heating the ring so that the rod can fitted into it. (b) Assume the rod is rigid, calculate the pressure on the surface of the rod as the steel cool down to the room temperature.

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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