The soft grade grinding wheels are denoted by the letters
A to H
I to P
Q to Z
A to P
- The average cutting speed for turning brass with a high speed steel tool is
- The tool material, for faster machining, should have
- In electro-discharge machining, dielectric is used to
- Trepanning is performed for
- A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
- The specific cutting energy used for establishing the machinability of the metal depends upon its
- The lip angle is the angle
- When the cutting edge of the tool is dull, then during machining
- The addition of lead, sulphur and phosphorus to low carbon steels, help to
- Quality screw threads are produced by
- High speed steel drills can be operated at about _________ the speed of high carbon steel drills.
- The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
- Calculate the weld per minute, work speed of circular electrode of 220 mm diameter for carrying out…
- The structure of a grinding wheel depends upon
- What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
- Which of the following statement is wrong about ultrasonic machining?
- The tool made of cemented carbide wear out faster at
- If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
- When 3-2-1 principle is used to support and locate a three dimensional work-piece during machining,…
- The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
- The actual feed in centerless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions…
- The facing is an operation of
- The silicon carbide abrasive is chiefly used for grinding
- Broaching is applied for machining
- In which of the following milling machine, the table can be tilted in a vertical plane by providing…
- In a centre lathe, the cutting tool is fed in _________ with reference to the lathe axis.
- In orthogonal turning of a low carbon steel bar of diameter 150 mm with uncoated carbide tool, the cutting…
- The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter…
- The average cutting speed for turning mild steel with a high speed steel tool is
- Larger than 15° side cutting edge angle