Procedure

Attempt all questions

Step 1 : Select number of holes on the disc

Step 2 : Select speed from drop-down menu

Step 3 : Calculate pulses for selected speed

Step 4 : Repeat steps 1 to 3 for different 5 readings

Step 5 : Go to next level

Step 6 : Click on start button and set RPM

Step 7 : Observe the pluses, then click on take reading button and calculate accuracy (%)

Step 8 : Repeat steps 6 and 7 for different 5 readings

Step 9 : Go to next level and observe graph