1.

In cutting of rocks using water jet machining, which type of pressure is needed?(a) Low pressure(b) Medium pressure(c) High pressure(d) None of the mentionedI got this question by my college professor while I was bunking the class.Origin of the question is WJM topic in portion Mechanical Processes of Advanced Machining

Answer»

The correct option is (c) HIGH pressure

Best EXPLANATION: In WJM, very high pressures and velocities are NEEDED while CUTTING rocks.



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