The ram and plunger of a hydraulic press are 150 mm and 25 mm in diameter respectively. With a plunger stroke of 30 cm, the press is able to lift a load of 1 tonnes through 1.5 m in a times of 25 min. No. of strokes done by the plunger 190 O 170 O 180 O 160 O

The ram and plunger of a hydraulic press are 150 mm and 25 mm in diameter respectively. With a plunger stroke of 30 cm, the press is able to lift a load of 1 tonnes through 1.5 m in a times of 25 min. No. of strokes done by the plunger 190 O 170 O 180 O 160 O

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

Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.

Question

The ram and plunger of a
hydraulic press are 150 mm and
25 mm in diameter respectively.
With a plunger stroke of 30 cm,
the press is able to lift a load of 1
tonnes through 1.5 m in a times
of 25 min. No. of strokes done by
the plunger
190 O
170 O
180 O
160 O

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