Assertion: Twin shaft arrangement of gas turbine must consist of two shafts whether in series or parallel.

• A. Reason: In multi shaft arrangement two or more turbine-compressor combinations are carried on independent shafts. Select the most appropriate options following.
• B. Both assertion and reason are correct and reason precisely explains the assertion
• C. Both assertion and reason are correct but reason doesn’t exactly explains the assertion
• D. Assertion is correct whilst reason is incorrect
• E. Assertion is incorrect whilst reason is correct