The effective number of lattice points in the unit cell of simple cubic, body centred cubic, and face centred cubic space lattices, respectively, are
1, 2, 2
1, 2, 4
2, 3, 4
2, 4, 4
- In a gating system, the ratio 1: 2: 4 represents
- In order to have interference fit, it is essential that the lower limit of the shaft should be
- The tool material, for faster machining, should have
- In which of the following machine, the work rotates and the tool is stationary?
- Ceramic tools are fixed to tool body by
- For turning small taper on long workpiece, the suitable method is
- The lip angle is the angle
- What is the type of shielding gas for GTAW (Gas Tungsten Arc Welding) used for carbon steels only called?
- In a shaper
- In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness…
- Which of the following parameters govern the value of shear angle in continuous chip formation?
- In transverse grinding
- It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece.…
- Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the…
- Which one among the following welding processes uses nonconsumable electrode?
- If the flame of the welding torch is directed towards the progress of welding, then what will you call…
- Cast iron during machining produces
- A single point tool has
- If the helix angle of the drill is made _________ 30°, then the torque required to drive the drill…
- Down milling is also called
- The cutting fluid mostly used for machining steel is
- The hard grade grinding wheels are denoted by the letters
- A twist drill is specified by its
- Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
- The type of reamer used for reaming operation in a blind hole, is
- Surface grinding is done to produce
- In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
- When the end of a tap is tapered for about three or four threads, it is known as a
- The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called
- The cutting fluid mostly used for machining alloy steels is