Identify the alloy used for construction of gas turbine engines.

Identify the alloy used for construction of gas turbine engines.
  1. Nichrome
  2. Bronze
  3. Stainless steel
  4. Cupra-nickel

Solution

Nichrome, an alloy of nickel and chromium in the ratio $\mathbf{8 0} \mathbf{: 2 0}$ has been developed specifically for gas turbine engines. Titanium alloys withstand stress up to high temperatures and are used for ultrahigh-speed flight, fireproof bulkheads, and exhaust shrouds.

Asked in: MHT CET 2024 (15 May Shift 1)

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