1
GATE PI 1995
MCQ (Single Correct Answer)
+1
-0.3
In $$HSS$$ Tool materials the element tungsten can be completely replaced, without changing the material property by
A
Molybdenum
B
Carbon
C
Cobalt
D
Vanadium
2
GATE PI 1995
MCQ (Single Correct Answer)
+1
-0.3
Only negative rake angles are used with the following tool materials
A
$$HSS$$
B
Carbon tool steels
C
Carbides
D
Diamond
3
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
4
GATE PI 1994
MCQ (Single Correct Answer)
+1
-0.3
Machinability of steels is improved by the addition of
A
Sulphur
B
Silicon
C
Phosporous
D
all of the above