The maximum efficiency of a De-Laval turbine is (where `alpha` = Nozzle angle) Options: A . &nbsp`sin ^2 alpha` B . &nbsp`cos ^2 alpha` C . &nbsp`tan^2 alpha` D . &nbsp`cot^2 alpha`

The maximum efficiency

Question

The maximum efficiency of a De-Laval turbine is (where `alpha` = Nozzle angle)

Options:

A . `sin ^2 alpha`

B . `cos ^2 alpha`

C . `tan^2 alpha`

D . `cot^2 alpha`

Answer: Option B

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