BASIC FITTING 3 FITTINGS - Quiz

1) Which type of drilling machine is most suitable to drill in a very large and heavy work pieces?

Piller drilling machine Radial drilling machine Portable drilling machine Sensitive drilling machine

2) What is the angle of counter sink rivet head?

75 Degree 80 Degree 90 Degree 120 Degree

3) What is the angle of beveled heads of counter sink head screws?

75 Degree 80 Degree 90 Degree 120 Degree

4) Which type fo drilling machine is best suited to drill multiple holes in a work piece in a single setting?

Radial Portable Sensitive Piller type

5) Calculate the cutting speed used for drilling a 20 mm dia meter hole in a mild steel work piece with a rpm of 399?

20 m / min 25 m / min 30 m / min 35 m / min