Material Science Set 24

Electrical Engineering

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This set of Material Science Multiple Choice Questions & Answers (MCQs) focuses on Material Science Set 24

Q1 | any sudden change in cross section leads to the formaiton of area
Q2 | the graphical representation of results of tensile test is known as                   
Q3 | in engineering stress we consider                  
Q4 | during the tensile test, the length of specimen and its cross section area
Q5 | the test which come under the group of destructive tests is                        
Q6 | the tests which come under the group of destructive tests are                    
Q7 | the material which does not show the predefined yield stress, the yield stress can be determined by                        
Q8 | the relation between true stress and engineering stress is                               
Q9 | the relation between true strain and engineering strain is                           
Q10 | in tensile stress, necking occurs at a pointwhere                 
Q11 |                    property is not directly shown onthe stress strain curve
Q12 |                  is maximum value of stress upto which stress is directly proportional to strain
Q13 |                is the stress at which material shows a specified amount of plastic deformation
Q14 | to calclulate proof stress, method isused
Q15 | for calculating a proof stress, a parallel line isdrawn at                 
Q16 |              is the maximum value of stress in theplastic region
Q17 | for ducttile material is the maximum value of stress the material can sustain
Q18 | Breaking Stress is also called as                      
Q19 |                      is the minimum value of stress inplastic region
Q20 | unit of toughness is                   
Q21 | for brittle material its                       
Q22 | in tensile test, during strain hardening material after cold working shows                     in strength with decreased toughness
Q23 | during tensile test, if gauge length                   percentage elongation increases due to localised elongation
Q24 |                states that geometrically similar samples having constant L/D ratio shows same % elongation
Q25 | during tensile test, type of loadingshould be avoided
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