how to take the reading~

dalam chapter 1, kite ade jugak belajar cara untuk mengambil bacaan pada sesetengah alat...
antara alat yang ade ialah MICROMETER SCREW GAUGE... 
jadi, dalam entri kali ni..cikgu akan ajar cara membaca micrometer ini...
ini adalah sangat penting lebih-lebih lagi untuk menjawab PAPER 3... 
JOM BELAJAR syg syg ku... :)


STEP to take the reading:  Micrometer Screw Gauge

• Turn the thimble until the object is gripped gently between the anvil and spindle.
• Turn the ratchet knob until a "click" sound is heard. This is to prevent exerting too much pressure on the object measured.
• Take the reading.

Example:  

Reading of main scale = 5.5mm
Reading of thimble scale = 0.27mm

Actual Reading = 5.5mm + 0.27mm = 5.77mm

LETS DISCUSS here:

the main scale shows that 5.5mm because the thimble scale stop at 5.5

the 0.27mm is taken from the thimble scale because the line 27 stop straight with the main line of main scale.