Material Science Set 9

Electrical Engineering

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This set of Material Science Multiple Choice Questions & Answers (MCQs) focuses on Material Science Set 9

Q1 | the and property of metals increase due to cold working
Q2 | the and property of metals decrease due to cold working
Q3 | the property of metals increases and property decreases due to cold working
Q4 | the process by which the internal stresses are reduced in cold worked metal is called
Q5 | the heat treatment which is used to reduce the internal stresses after cold working is called as                       
Q6 | during recovery part of annealing treatment, which of the following properties are improved noticeably?
Q7 | during which stage of annealing there is no major change in microstructure ?
Q8 | the process of formation of new grains starts by the process of                         
Q9 | nucleation starts at areas of                         
Q10 |     new grain formation take place in stage of annealing treatment
Q11 | after the recrystalllization stage
Q12 | during grain growth takes place
Q13 | strain hardening followed by annealing is known as                   
Q14 | there are no residual internal stresses after hot working because                      
Q15 | wire drawing is a type of                         
Q16 | hot forging is a type of                 
Q17 | in working of metals, the microstructure is distorted
Q18 | it is possible to continuosly work on metal during working
Q19 |   cold working requires higherthan hot working
Q20 | the possibility of oxidation is higher in case of working of metals
Q21 | in case of hot working of metals, there is higher possibility of                         
Q22 | the machinery used for hot working is than used for cold working
Q23 | the resolved shear stress of a unit cell in nickel is N/mm2 if a tensile stress of 13.7 Mpa is applied. Take angle between the axial force and slip direction is 450 and angle between axial force and normal to slip is 540
Q24 | if resolved shear stress is maximum, it is given by              
Q25 | at 450 the resolved shear stress is
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