Gas turbine discs are made of _______
A. Chromium
B. Chrome-Nickel steel alloy
C. Nickel
D. None of the mentioned
Answer:A
Gas turbine discs are made of _______
A. Chromium B. Chrome-Nickel steel alloy C. Nickel D. None of the mentioned
Explanation: Chrome-nickel steel alloy is used to make gas turbine discs in general.