1
GATE ME 2004
MCQ (Single Correct Answer)
+2
-0.6
Through holes of $$10$$ $$mm$$ diameter are to be drilled in steel plate of $$20$$ $$mm$$ thickness. Drill spindle speed is $$300$$ $$rpm,$$ feed $$0.2$$ $$mm/rev$$ and drill point angle is $${120^0}.$$ Assuming drill over travel of $$2mm$$ the time for producing a hole will be
A
$$4$$ seconds
B
$$25$$ seconds
C
$$100$$ seconds
D
$$110$$ seconds
2
GATE ME 2002
MCQ (Single Correct Answer)
+2
-0.6
The time taken to drill a hole though a $$25$$ $$mm$$ thick plate with the drill rotating at $$300$$ $$rpm$$ and moving at a feed rate of $$0.25$$ $$mm$$/revolution is
A
$$10$$ $$sec$$
B
$$20$$ $$sec$$
C
$$60$$ $$sec$$
D
$$100$$ $$sec$$
3
GATE ME 2000
MCQ (Single Correct Answer)
+2
-0.6
The abrasive material used in grinding wheel selected for grinding of ferrous alloys is
A
Silicon carbide
B
Diamond
C
Aluminium oxide
D
Boron carbide
4
GATE ME 1995
Fill in the Blanks
+2
-0
Machine tool, structures are made ................. for high process capability (tough/ rigid/ strong)
GATE ME Subjects
Turbo Machinery
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12