1
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
In orthogonal turning of medium carbon steel, the specific machining energy is $$2$$ $$kJ/m{m^3},$$ the cutting velocity, feed and depth of cut are $$120m/min,$$ $$0.2mm/rev$$ and $$2mm$$ respectively. The main cutting force $$N$$ is
A
$$40$$
B
$$80$$
C
$$400$$
D
$$800$$
2
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
In orthogonal turning of low carbon steel pipe with principal cutting edge angle of $$90,$$ the main cutting force is $$1000$$$$N$$ and the feed force is $$800N.$$ The shear angle is $$25$$ and orthogonal rake angle is zero. Employing Merchants theory, the ratio of friction force to the normal force acting on the cutting tool is
A
$$1.56$$
B
$$1.25$$
C
$$0.80$$
D
$$0.64$$
3
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
The force requirement in a blanking operation of low carbon steel sheet is $$5.0$$ $$kN.$$ The thickness of the sheet is $$'t'$$ and diameter of the blanked part is $$'d'.$$ For the same work material, if the diameter of the blanked part is increased to $$1.5d$$ and thickness is reduced to $$0.4t$$, the new blanking force in $$kN$$ is
A
$$3.0$$
B
$$4.5$$
C
$$5.0$$
D
$$8.0$$
4
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
A hole is specified as $${40^{\matrix{ {0.050} \cr {0.000} \cr } }}\,\,mm.$$ The mating shaft has a clearance fit with minimum clearance of $$0.01mm.$$ The tolerance on the shaft is $$0.04mm.$$ The maximum clearance in $$mm$$ between the hole and the shaft is
A
$$0.04$$
B
$$0.05$$
C
$$0.10$$
D
$$0.11$$
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Graduate Aptitude Test in Engineering
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