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c



Which one of the following material has highest value of Young Modulus?
a) steel                                  

b) nickel
c) copper                                              

d) iron

d



Which one of the following material has lowest value of Young Modulus?
a) Aluminum                       

b) Brass
c) Crown glass                     

d) Lead

d



Strain and stress curves are measured by :
a)
stress tester                    

b) strain tester
c) Both a & b                       

d) None

a

The limit up to which Hooke’s law is obeyed is called …….limit.
a) elastic                               

b) inelastic
c) plastic                                               

d) proportional

d

The limit up to which materials shows elastic behavior is called …..limit.
a) 
elastic                                              

b) inelastic
c) plastic                                               

d) none f these

a