1
GATE PI 2008
+2
-0.6
Match the following
A
$$P - 2,\,\,Q - 3,\,\,R - 4,\,\,S - 1$$
B
$$P - 3,\,\,Q - 4,\,\,R - 1,\,\,S - 2$$
C
$$P - 2,\,\,Q - 3,\,\,R - 1,\,\,S - 4$$
D
$$P - 2,\,\,Q - 4,\,\,R - 3,\,\,S - 1$$
2
GATE PI 2008
+2
-0.6
A blank of $$50$$ $$mm$$ diameter is to be sheared from a sheet of $$2.5$$ $$mm$$ thickness. The required radial clearance between the die and the punch is $$6\%$$ of sheet thickness. The punch and die diameter $$(mm)$$ for this blanking operation respectively are
A
$$50.00$$ & $$50.30$$
B
$$50.00$$ & $$50.15$$
C
$$49.70$$ & $$50.00$$
D
$$49.85$$ & $$50.00$$
3
GATE PI 2008
+2
-0.6
The following data are given for calculating limits of dimensions and tolerances for a hole: Tolerance unit $$'i'$$ (microns) $$=0.45$$ $${\left( D \right)^{1/3}} + 0.001D.$$ The unit of $$D$$ is $$mm.$$ Diameter step is $$18-30.$$ If the fundamental deviation for hole $$H$$ is zero and $${\rm I}T8 = 26i$$ the maximum and minimum limits of dimension for a $$25{H_8}$$ hole (in $$mm$$) are
A
$$24.984$$ & $$24.967$$
B
$$25.017$$ & $$24.984$$
C
$$25.033$$ & $$25.00$$
D
$$25.00$$ & $$24.967$$
4
GATE PI 2008
+2
-0.6
An experimental setup is planned to determine the taper of work piece as shown in the figure. If the two precision rollers have radii $$8mm$$ and $$5mm$$ and the total thickness of slip gauges inserted between the rollers is $$15.54mm,$$ the taper angle $$'\theta '$$ is
A
$$6$$ degrees
B
$$10$$ degrees
C
$$11$$ degrees
D
$$12$$ degrees
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