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