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The operation of machining several surfaces of a workpiece simultaneously is called
Arrange the processes in the increasing order of their maximum material removal rate. Electrochemical Machining (ECM) Ultrasonic Machining (USM) Electron Beam Machining (EBM) Laser Beam Machining (LBM) and Electric Discharge Machining (EDM)
Which of the following machine is based upon the principle that the rotating edge of the tool exerts a large force on the workpiece and holes are being created in the workpiece? The material is removed from the workpiece by the shearing and extrusion process.
Which of the following statements are correct for temperature rise in metal cutting operation? 1) It adversely affects the properties of tool material. 2) It provides better accuracy during machining. 3) It causes dimensional changes in workpiece and affects accuracy of machining. 4) It can distort the accuracy of machine tool itself
In a machining operation, if a cutting tool traces the workpiece such that the directrix is perpendicular to the plane of the generatrix as shown in figure, the surface generated is
The cold forming process in which a hardened tool is pressed against a workpiece (when there is relative motion between the tool and the workpiece) to produce a roughened surface with a regular pattern is
In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)
The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where $${I_{\text{G}}}$$ = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface and x = Depth of centre of gravity of the immersed surface from the liquid surface)
In electron beam machining, the plane of _____ is on the surface of the workpiece.