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_______ is known as steady-state creep.

(a) Primary creep

(b) Secondary creep

(c) Tertiary creep

(d) Quaternary creep

The question was asked during an online exam.

The query is from Mechanisms of Creep & Creep Resistant Materials in portion Plastic Deformation and Creep in Crystalline Materials, Elastic, Anelastic and Viscoelastic Behaviour of Engineering Material & Metallurgy

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Right answer is (b) Secondary creep

For explanation: Creep occurs in three stages known as primary, secondary, and tertiary creep. Secondary creep is also known as steady-state creep since the rate of work and recoveries are equal.

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