34) Conic section obtained by cutting a right circular cone by a section plane inclined to the axis of the cone and cutting all the generators

35) Curve generated by a fixed point on the circumference of a circle which rolls without slipping along a fixed straight line.

36) Cutting fluid is employed in machining for

37) Material removal takes place in Abrasive Jet Machining due to

38) Tool life in turning will decrease by maximum extent if we double the