1
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
Only negative rake angles are used with the following tool material
A
$$HSS$$
B
Carbon tool steels
C
Carbides
D
Diamonds
2
GATE PI 1992
MCQ (Single Correct Answer)
+1
-0.3
In metal cutting with a carbide tool, at the maximum recommended speed, the largest $$\% $$ of heat generated goes to the
A
tool
B
chip
C
work
D
tool post
3
GATE PI 1991
Fill in the Blanks
+1
-0
Increase in rake angle causes ..........A................ in chip thickness and .............B......... in shear angle

(a) increase / reduction
(b) increase / decrease

4
GATE PI 1991
Fill in the Blanks
+1
-0
Thrust force in drilling can be reduced by .................A............... the point angle and by ..........B.......... the helix angle of the drill

(a) increasing / reducing
(b) increasing / reducing

EXAM MAP