1
GATE PI 2007
MCQ (Single Correct Answer)
+2
-0.6
In an orthogonal cutting test, the following observations were made
Cutting force $$=1200N ;$$ Thrust force $$=500N$$
Tool rake angle $$=zero ;$$ Cutting speed $$=1$$ $$m/s,$$
Depth of cut $$=0.8mm;$$
Chip thickness $$=1.5$$ $$mm$$

Friction angle during machining will be

A
$$22.6$$
B
$$32.6$$
C
$$57.1$$
D
$$67.4$$
2
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
In a machining operation chip thickness ratio is $$0.3$$ and the back rake angle of the tool is $${10^ \circ }.$$ What is the value of the shear strain?
A
$$0.31$$
B
$$0.13$$
C
$$3.00$$
D
$$3.34$$
3
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
A batch of $$500$$ jobs of diameter $$50$$ $$mm$$ and length $$100$$ $$mm$$ is to be turned at $$200$$ $$rev/min$$ and feed $$0.2$$ $$mm/rev.$$

The number of components per tool life

A
$$138$$
B
$$270$$
C
$$62$$
D
$$61$$
4
GATE PI 2005
MCQ (Single Correct Answer)
+2
-0.6
Match List - $${\rm I}$$ (Cutting tool materials) with List - $${\rm I}$$$${\rm I}$$ (Manufacturing methods) and select the correct answer using the codes given below the lists: GATE PI 2005 Machine Tools and Machining - Metal Cutting Question 54 English
A
$$A - 3,\,\,B - 1,\,\,C - 5,\,\,D - 2$$
B
$$A - 2,\,\,B - 5,\,\,C - 4,\,\,D - 3$$
C
$$A - 3,\,\,B - 5,\,\,C - 4,\,\,D - 2$$
D
$$A - 2,\,\,B - 1,\,\,C - 5,\,\,D - 3$$