1
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
2
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
$$A - 4,\,\,B - 2,\,\,C - 3,\,\,D - 5$$
3
GATE PI 2005
+2
-0.6
Match List - $${\rm I}$$ (Cutting tools) with List - $${\rm I}$$$${\rm I}$$ (Features) and select the correct answer using the codes given below the lists:
A
$$A - 1,\,\,B - 2,\,\,C - 3$$
B
$$A - 4,\,\,B - 3,\,\,C - 2$$
C
$$A - 4,\,\,B - 2,\,\,C - 3$$
D
$$A - 1,\,\,B - 3,\,\,C - 2$$
4
GATE PI 2005
+1
-0.3
$$NC$$ contouring is an example of
A
continuous path positioning
B
point to point positioning
C
absolute positioning
D
incremental positioning
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