1. It is known as H.S.S. due to its:
(A) Hardness
(B) Toughness
(C) Red hardness
(D) Super high speed steel
2. These cannot be machined or forged:
(A) Carbide tips
(B) H.S.S tools
(C) H.C.S tools
(D) None of these
3. Penetration of turning tool perpendicular to the job axis is known as:
(A) Feed
(B) Depth of cut
(C) Width of cut
(D) None of these
4. Distance traveled by a turning tool parallel to the job axis in one revolution is known as:
(A) Depth of cut
(B) None of these
(C) Speed
(D) Feed
5. A round job of 760 mm diameter is revolving at 80 r.p.m. Its surface speed is:
(A) 160 m/min
(B) 175 m/min
(C) 190 m/min
(D) 205 m/min
6. Cutting speed of mild steel is:
(A) 15–20
(B) 25–30
(C) 20–25
(D) 30–35
7. A milling cutter of 120 mm diameter has to cut plastic at 750 meter per minute speed, R.P.M of the cutter will be:
(A) 300
(B) 325
(C) 350
(D) 400
8. Length of chip produced in one minute, measured in meters, is called:
(A) Cutting speed
(B) Feed
(C) Continuous chip
(D) Chipping rate
9. Cutting speed is directly proportional to:
(A) Diameter & R.P.M of job
(B) R.P.M of job
(C) Diameter of job
(D) Strokes/min
10. Cutting speed in metric system is given as:
(A) SFPM
(B) Fpm
(C) m/min
(D) Thousandths of an inch