The steel wire working a signal is 750 m long and 0.5 cm diameter. Assuming a pullon the wire of 1.5 kN, find the movement which must be given to the signal-box endof the wire if the movement at the signal end is to be 17.5 cm. Take Young's modulusas 200 GN/m2 The piston of a hydraulic ram is 40 cm diameter, and the piston rod 6 cm diameter.The water pressure is I MN/m?. Estimate the stress in the piston rod and theelongation of a length of I m of the rod when the piston is under pressure from thepiston-rod side. Take Young's modulus of elasticity as E = 200 GN/m2

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The steel wire working a signal is 750 m long and 0.5 cm diameter. Assuming a pull on the wire of 1.5 kN, find the movement which must be given to the signal-box end of the wire if the movement at the signal end is to be 17.5 cm. Take Young's modulus as 200 GN/m2

The steel wire working a signal is 750 m long and 0.5 cm diameter. Assuming a pull on the wire of 1.5 kN, find the movement which must be given to the signal-box end of the wire if the movement at the signal end is to be 17.5 cm. Take Young's modulus as 200 GN/m2

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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Concept explainers

Strain energy

The term strain indicates the variation in an object's length, area, and volume when the object is subjected to an external force. The external force may be of normal, shear, moment, torque, etc. The strain in an object depends on the types of external force and cross-section of the object. Mathematically, the evaluation of strain can be obtained with the help of elastic constants.

Question

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The steel wire working a signal is 750 m long and 0.5 cm diameter. Assuming a pull
on the wire of 1.5 kN, find the movement which must be given to the signal-box end
of the wire if the movement at the signal end is to be 17.5 cm. Take Young's modulus
as 200 GN/m2

The piston of a hydraulic ram is 40 cm diameter, and the piston rod 6 cm diameter.
The water pressure is I MN/m?. Estimate the stress in the piston rod and the
elongation of a length of I m of the rod when the piston is under pressure from the
piston-rod side. Take Young's modulus of elasticity as E = 200 GN/m2

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