SSC JE Mechanical Engineering 25 Sep 2019 Shift 1 Paper

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Question : 183 of 200

Marks: +1, -0

Select the incorrect statement about the purpose of a draft tube in a hydraulic turbine.

It is a divergent tube connected to a turbine exit
It increases the velocity of discharged water to enable proper removal of air
It increases the pressure of water from its inlet to outlet
It is immersed in tailrace into which it discharges water that has done work in the turbine

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