Which variety of steel may be expected to have lowest value of thermal conductivity?

Heat Transfer Mcqs
BILAL KHATTAK0

A.High carbon steel (0.83% C)
B.Low nickel steel (1.37% Ni)
C.Low chromium steel (0.46% Cr)
D.High chromium steel (0.26% Cr)
E.Chromium nickel steel (9% Ni, 18% Cr)

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