Depending on the radiating properties, a body will be black when_________________?

Mechanical Engineering Mcqs

Depending on the radiating properties, a body will be black when_________________?

(A)  p = 0, x = 0 and a = 1

(B)  p= l,T = 0anda = 0

(C)  p = 0, x = 1 and a = 0

(D)  x = 0, a + p = 0

(E)  a = 0,x + p= 1. where a = absorptivity, p == reflectivity, X = transmissivity

Submitted By :Ali Uppal

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