In ultrasonic machining, the metal is removed by
Using abrasive slurry between the tool and work
Direct contact of tool with the work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Erosion caused by rapidly recurring spark discharges between the tool and work
- The parameter which completely defines the chip formation in a metal cutting process is
- When the cutting edge of the tool is dull, then during machining
- When two main plates are kept in alignment butting each other and riveted with cover plate on both sides…
- The chuck preferred for quick setting and accurate centering of a job is
- If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures,…
- Twist drills are made of
- The effect of setting a boring tool above centre height leads to
- In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth…
- As the cutting speed increases, the tool cutting forces
- Which of the following statement is wrong?
- In an interchangeable assembly, shafts of size 25.000 -0.0100⁺⁰⁰⁴⁰…
- Gear burnishing is a process for
- A tool used to withdraw a drill from the sleeve is called
- The average cutting speed for turning brass with a high speed steel tool is
- Which of the following statement is correct regarding grinding of high carbon steel?
- The usual value of the point angle of a drill is
- What is the type of welding defect caused due to poor deposition of weld rod is called?
- For turning small taper on long workpiece, the suitable method is
- The cutting speed of a drill depends upon the
- Flank wear occurs mainly on the
- The angle on which the strength of the tool depends is
- The grinding wheel speed (surface speed in m/min) usually varies from
- The surface finish is improved by the increase in
- The operation of making a cone-shaped enlargement of the end of a hole is known as
- A grinding wheel becomes glazed (i.e. cutting edge takes a glasslike appearance) due to
- Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
- What is the welding defect caused due to improper control and poor removal of slog between passes called?
- The material which on machining produces chips with built up edge is
- Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the…
- The guideways are of