BASIC FITTING 2 DRILLING AND TAPER - Practice Mode

1) How many grades of tolerances are represented in BIS system?
Correct Answer: 18
2) Which fundamental deviation symbol indicate 'Hole basis' system
Correct Answer: h
3) Which device is used as datum while marking with vernier height gauge
Correct Answer: Surface plate
4) What is term 'Basic size' indicate?
Correct Answer: Size based on dimensional deviations are given
5) How to indicate fundamental deviation of hole in BIS system?
Correct Answer: Capital letter