In gear hobbing
Only hob rotates
Only gear blank rotates
Both hob and gear blank rotates
Neither hob nor gear blank rotates
- When the shear angle is large
- The abrasive recommended for grinding materials of low tensile strength is
- In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as…
- The ductile materials, during machining, produce
- Hard and tough materials like cast iron should be turned at
- A CNC vertical milling machine has to cut a straight slot of 10 mm width and 2mm depth by a cutter of…
- In the relation VTn = C, the value of n for carbide tools is
- In drilling softer materials, the cutting speed is _________ as compared to harder materials.
- Drilling is an example of
- The lip angle is the angle
- In machining metals, surface roughness is due to
- The factor responsible for the formation of continuous chips with built up edge is
- The cutting speed is maximum while machining __________ with a high speed steel tool.
- In _________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to…
- A twist drill is a
- Which of the following statement is correct about hot machining?
- Tool life is measured by the
- The tool life in case of a grinding wheel is the time
- The angle on which the strength of the tool depends is
- In metal cutting operations, the shear angle is the angle made by the shear plane with the
- Match the items of List-I (Equipment) with the items of List-II (Process) and select the correct answer…
- As tool and work are not in contact in EDM process
- A jig is defined as a device which
- The broaching operation in which either the work or the tool moves across the other, is known as
- What is the type of joining process called, where the parts to be welded are kept in contact and rotated…
- Gear lapping is an operation
- The usual value of the helix angle of a drill is
- The chamfering is an essential operation after
- The strength of a brazed joint
- The guideways are of