1. Screw pitch gauge
2. Micrometer with V-anvil
3. Tool room microscope
4. Thread gauge
Tool room microscope
1. Is easier and quicker to use
2. Is more accurate
3. Can be used to make both inside and outside measurements over a range of sizes
4. All of these
Can be used to make both inside and outside measurements over a range of sizes
1. It will wipe off easily
2. The line will be too wide for accurate work
3. Lines will smudge and be difficult to see
4. All of these
It will wipe off easily
1. Degree
2. Minute
3. Second
4. Right angle
Right angle
1. Barrel
2. Thimble
3. Spindle
4. Anvil
Barrel
1. Anvil
2. Barrel
3. Ratchet
4. Thimble
Thimble
1. Combination gauge
2. Limit gauge
3. Go and No. Go gauge
4. Progressive gauge
Progressive gauge
1. Repeatability of a measuring process
2. Error of judgement in recording an observation
3. Ability of instrument to reproduce same reading under identical situations
4. Agreement of the result of a measurement with the true value of the measure quantity
Agreement of the result of a measurement with the true value of the measure quantity
1. Air gauge
2. Micrometre screw gauge
3. Optical projector
4. Steel scale
Steel scale
1. Accurately calibrated scale
2. Comparison with standard such as slip gauge
3. Accurate micrometer gauge
4. Optical devices
Comparison with standard such as slip gauge