What is the specific heat of metal if its mass is 27 g and it requires 420 J of heat energy to increase its ?temperature from 25°C to 50°C 0.19 cal/g.KO 62.2 J/kg. °C O 41.90 J/kg. KO 25.4 kg. °C O None of them. O

What is the specific heat of metal if its mass is 27 g and it requires 420 J of heat energy to increase its ?temperature from 25°C to 50°C 0.19 cal/g.KO 62.2 J/kg. °C O 41.90 J/kg. KO 25.4 kg. °C O None of them. 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

*
What is the specific heat of metal if
its mass is 27 g and it requires 420 J
of heat energy to increase its
?temperature from 25°C to 50°C
0.19 cal/g.KO
62.2 J/kg. °C O
41.90 J/kg. KO
25.4 kg. °C O
None of them. O

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