1
GATE PI 2005
+1
-0.3
Tool life in the case of a grinding wheel is the time
A
between two successive regrinds of the wheel
B
taken for the wheel to be balanced
C
taken between two successive wheel dressings
D
taken for a wear of $$1$$ $$mm$$ on its diameter
2
GATE PI 2005
+1
-0.3
In a shaper machine, the mechanism for tool feed is
A
Geneva mechanism
B
Whitworth mechanism
C
Ratchet and Pawl mechanism
D
Ward - Leonard system
3
GATE PI 2005
+2
-0.6
One brand of milling machine has the following two index plates supplied along with the indexing head:
Plate 1: $$15, 16, 17, 18, 19, 20$$ hole circles.
Plate 2: $$21, 23, 27, 29, 31, 33$$ hole circles.

It is proposed to mill a spur gear of $$28$$ teeth using simple indexing method. Which one of the following combinations of index plate and number of revolutions is correct?

A
Plate $$1:1$$ revolution and $$9$$ holes in $$18$$ hole circles
B
Plate $$2:1$$ revolution and $$9$$ holes in $$21$$ hole circles
C
Plate $$2:1$$ revolution and $$9$$ holes in $$33$$ hole circles
D
Plate $$1:1$$ revolution and $$9$$ holes in $$15$$ hole circles
4
GATE PI 2005
+2
-0.6
Match List - $${\rm I}$$ (Milling problem) with List - $${\rm I}$$$${\rm I}$$ (Probable causes) and select the correct answer using the codes given below the lists:
A
$$A - 2,\,\,B - 1,\,\,C - 5,\,\,D - 3$$
B
$$A - 2,\,\,B - 1,\,\,C - 3,\,\,D - 5$$
C
$$A - 4,\,\,B - 5,\,\,C - 2,\,\,D - 3$$
D
$$A - 4,\,\,B - 2,\,\,C - 3,\,\,D - 5$$
GATE PI Papers
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
1995
1994
1993
1992
1991
1990
1989
EXAM MAP
Medical
NEET