The material commonly used for air craft gas turbine is__________________?

(A) stainless steel (X)
(B) high alloy’ steel (X)
(C) duralumin (X)
(D) Timken, Haste and Inconel allpys ()
(E) titanium (X)

Answers: The material commonly used for air craft gas turbine is Timken, Haste and Inconel allpys.