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A steel rod having a cross sectional area of 250 mm2 and a length of 90 m is suspended vertically from one end. It supports a tensile load of 25 kN at the lower end. The unit mass of steel is 7850 kg.m³ and E = 200GPa. 1. Which of the following gives the elongation of the rod due to self weight mm?  a. 3.5 b. 4.3 c. 4.9 d. 2.5 2. Which of the following gives the elongation of the rod due to tensile load at the lower end in mm?  a. 65 b. 45 c. 55 d. 50 3. Which of the following gives the total elongation of the rod?  a. 48.5 b. 54.3 c. 56.2 d. 42.1

A steel rod having a cross sectional area of 250 mm2 and a length of 90 m is suspended vertically from one end. It supports a tensile load of 25 kN at the lower end. The unit mass of steel is 7850 kg.m³ and E = 200GPa. 1. Which of the following gives the elongation of the rod due to self weight mm?  a. 3.5 b. 4.3 c. 4.9 d. 2.5 2. Which of the following gives the elongation of the rod due to tensile load at the lower end in mm?  a. 65 b. 45 c. 55 d. 50 3. Which of the following gives the total elongation of the rod?  a. 48.5 b. 54.3 c. 56.2 d. 42.1

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A steel rod having a cross sectional area of 250 mm2 and a length of 90 m is suspended vertically from one end. It supports a tensile load of 25 kN at the lower end. The unit mass of steel is 7850 kg.m³ and E = 200GPa.

1. Which of the following gives the elongation of the rod due to self weight mm? 
a. 3.5
b. 4.3
c. 4.9
d. 2.5
2. Which of the following gives the elongation of the rod due to tensile load at the lower end in mm? 
a. 65
b. 45
c. 55
d. 50
3. Which of the following gives the total elongation of the rod? 
a. 48.5
b. 54.3
c. 56.2
d. 42.1
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