a machine having an efficiency less than 50%, is known as Options: A . &nbsp Reversible machine B . &nbsp Non-reversible machine C . &nbsp Neither reversible nor non-reversible machine D . &nbsp Ideal machine

a machine having an efficiency less than 50%, is known as

Question - A machine having an efficiency less than 50%, is known as

Options:

A . Reversible machine

B . Non-reversible machine

C . Neither reversible nor non-reversible machine

D . Ideal machine

Answer: Option B

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