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A plastic rod AB of length L= 5C 0 mm has a diameter d, = 3B mm as shown in Figure Q2(b). A plastic sleeve CD of length c = 300 mm and outer diameter d, = (45+ A) mm is securely bonded to the rod so that no slippage can occur between the rod and the sleeve. The rod is made of an acrylic with modulus of elasticity E, = 3.1GPa and the sleeve is made of a polyamide with E, = 2.5GP .

A plastic rod AB of length L= 5C 0 mm has a diameter d, = 3B mm as shown in Figure Q2(b). A plastic sleeve CD of length c = 300 mm and outer diameter d, = (45+ A) mm is securely bonded to the rod so that no slippage can occur between the rod and the sleeve. The rod is made of an acrylic with modulus of elasticity E, = 3.1GPa and the sleeve is made of a polyamide with E, = 2.5GP .

Elements Of Electromagnetics
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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USE: A=0

B=1

C=2

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(b) A plastic rod AB of length L= 5C 0 mm has a diameter d, = 3B mm as shown in Figure Q2(b). A plastic sleeve CD of length c = 300 mm and outer diameter d, = (45+ A) mm is securely bonded to the rod so that no slippage can occur between the rod and the sleeve. The rod is made of an acrylic with modulus of elasticity E, = 3.1GPA and the sleeve is made of a polyamide with E, = 2.5GP . The value of A, B and C are given by: A=the last digit of your matrix number B=the fifth digit of your matrix number C= the forth digit of your matrix number For example, a student with the matrix number CD200187 will have the values of L=510mm, d, = 38 mm and d, =52 mm. (i) Calculate the elongation 8 of the rod when it is pulled by axial forces P=12kN. (ii) If the sleeve is extended for the full length of the rod, what is the elongation? (iii) If the sleeve is removed, what is the elongation?
Transcribed Image Text:(b) A plastic rod AB of length L= 5C 0 mm has a diameter d, = 3B mm as shown in Figure Q2(b). A plastic sleeve CD of length c = 300 mm and outer diameter d, = (45+ A) mm is securely bonded to the rod so that no slippage can occur between the rod and the sleeve. The rod is made of an acrylic with modulus of elasticity E, = 3.1GPA and the sleeve is made of a polyamide with E, = 2.5GP . The value of A, B and C are given by: A=the last digit of your matrix number B=the fifth digit of your matrix number C= the forth digit of your matrix number For example, a student with the matrix number CD200187 will have the values of L=510mm, d, = 38 mm and d, =52 mm. (i) Calculate the elongation 8 of the rod when it is pulled by axial forces P=12kN. (ii) If the sleeve is extended for the full length of the rod, what is the elongation? (iii) If the sleeve is removed, what is the elongation?
di d2 D B P P -b. -b -L- Figure Q2(b)
Transcribed Image Text:di d2 D B P P -b. -b -L- Figure Q2(b)
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