1
GATE PI 1994
MCQ (Single Correct Answer)
+5
-1.5
In an orthogonal cutting operation,
The depth of cut $$=2$$ $$mm,$$
Width of cut $$=15$$ $$mm,$$
Cutting speed $$=0.5$$ $$m/s$$ and
The rake angle $$=0$$ deg.
The cutting force and the thrust force are respectively $$900$$ $$N$$ and $$600$$ $$N$$ and the shear angle $$=30$$ $$deg$$.

The length of the shear plane is

A
$$30mm$$
B
$$15mm$$
C
$$10mm$$
D
$$4mm$$
2
GATE PI 1994
MCQ (Single Correct Answer)
+5
-1.5
Parting-off operation is carried out on a cylindrical work-piece of $$100mm$$ diameter. The groove width is $$2$$ $$mm$$ and an in feed of $$0.2$$ $$mm$$ per revolution is given at a maximum cutting speed of $$60$$ $$m/mm.$$ The specific cutting force for the material is $$800\,\,N/m{m^2}.$$

The tangential force on the tool is

A
$$160$$ $$N$$
B
$$320$$ $$N$$
C
$$480$$ $$N$$
D
$$640$$ $$N$$
3
GATE PI 1994
True or False
+1
-0
$$FMS$$ is well suited to mass scale manufacturing.
A
TRUE
B
FALSE
4
GATE PI 1994
True or False
+1
-0
In $$DNC$$ each machine tool is controlled by a dedicated computer.
A
TRUE
B
FALSE
EXAM MAP