The Zener-Hollowman (Z) is equal to ___________Where ϒ-strain rate, – McqOptions

MCQOPTIONS

1.	The Zener-Hollowman (Z) is equal to ___________Where ϒ-strain rate, ε-strain, σ-stress, T-temperature, ΔH-activation energy, R- universal gas constant.
A.	σ*exp(-ΔH/RT)
B.	ε*exp(-ΔH/RT)
C.	ϒ*exp(-ΔH/RT)
D.	exp(-ΔH/RT)
Answer» D. exp(-ΔH/RT)

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