Given that V, U, and Vr denote the absolute fluid velocity, blade velocity, and relative fluid velocity respectively, with subscripts i and o indicating inlet and outlet states, what is true for a rotary machine with a degree of reaction equal to one?

Compressors, Gas Turbines and Jet Engines MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

Browse all Compressors, Gas Turbines and Jet Engines MCQs →

Compressors, Gas Turbines and Jet Engines

PPSCFPSCNTSPakistan govt jobs

Subject: Compressors, Gas Turbines and Jet Enginesmechanical-engineering-mcqs › compressors-gas-turbines-and-jet-engines
Published: 23 Jan 2019
Last updated: 28 May 2026

Browse all Compressors, Gas Turbines and Jet Engines MCQs →

Explanation

For a rotary machine where the degree of reaction is unity, the absolute velocity at the inlet (Vi) is equal to V0B. Other statements such as the tangential velocity being greater than V0 or U being less than V0 are incorrect in this context.

Practice related questions from the same subject.

← Back to Mechanical Engineering Mcqs

Given that V, U, and Vr denote the absolute fluid velocity, blade velocity, and relative fluid velocity respectively, with subscripts i and o indicating inlet and outlet states, what is true for a rotary machine with a degree of reaction equal to one?

Explanation

More Compressors, Gas Turbines and Jet Engines MCQs