The usual value of the point angle of a drill is
70°
100°
118°
130°
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- What is the welding defect caused due to improper control and poor removal of slog between passes called?
- Which of the following statement is wrong?
- The process of removing metal by a cutter which is rotated in the same direction of travel of workpiece,…
- A drill mainly used in drilling brass, copper or softer materials, is
- EDM machining is applied for
- As the cutting speed increases, the tool cutting forces
- The rake angle required to machine brass by high speed steel tool is
- In order to obtain a surface finish in the range of 0.75 μm to 1.25 μm , the operation used…
- Cutting fluids are used to
- For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature…
- Jigs are used
- The usual value of the helix angle of a drill is
- The average cutting speed for turning mild steel with a high speed steel tool is
- In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
- In drilling Bakelite and fibrous plastics, the point angle of a drill is
- An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability…
- A lathe with four steps on the cone pulley and with back-gears will have
- Ceramic cutting tools are
- Small nose radius
- High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
- The size of abrasive grain required in a grinding wheel depends upon the
- Which of the following parameters govern the value of shear angle in continuous chip formation?
- The cutting fluid mostly used for machining alloy steels is
- Twist drills are made of
- In reaming process
- In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux…
- When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
- In ultrasonic machining, the metal is removed by
- The correct sequence of the following parameters in order of their maximum to minimum influence on tool…
- The different spindle speeds on a lathe form