1. Lock a dimension
2. Impart blow motion
3. Maintain sufficient and uniform measuring pressure
4. Take care of wear of screw threads
Maintain sufficient and uniform measuring pressure
1. Sine bar and slip gauge
2. Dividing head
3. Combination set
4. Clinometers
Sine bar and slip gauge
1. Bore of cylinders
2. Longer external lengths
3. Cylindricity
4. Longer internal lengths
Longer internal lengths
1. Its total length
2. Centre distance between the two rollers
3. Size of the rollers
4. Weight of sine bar
Centre distance between the two rollers
1. 87
2. 45
3. 103
4. 31
5. All of these
All of these
1. Flatness of upper surface
2. Equality of size and roundness of rollers
3. Exact distance between roller axes and mutual parallelism
4. Parallelism of rollers to upper surface and equality of axis distance as from surface
5. All of these
All of these
1. From edge to edge
2. Between inner circumferences of two rollers
3. Between outer circumferences of two rollers
4. Between the centres of two rollers
Between the centres of two rollers
1. Decreases appreciably with steep angle
2. Is poor for small angels
3. Is maximum when angle of measurements is 450 C
4. None of these
Decreases appreciably with steep angle
1. Misalignment
2. Axial run out
3. Radial run out
4. Sureness error
Radial run out
1. Gears
2. Screw threads
3. Flatness
4. Surface finish
Surface finish