1
GATE PI 2008
+2
-0.6
In a $$CNC$$ feed drive, a stepper motor with step angle of $$1.8deg$$ drives a lead screw with pitch of $$2mm.$$ The basic length unit $$(BLU)$$ for this drive is
A
$$10$$ microns
B
$$20$$ microns
C
$$40$$ microns
D
$$100$$ microns
2
GATE PI 2007
+2
-0.6
The geometric transformation specified by

$$\left[ {x'\,\,y'\,\,1} \right] = \left[ {x\,\,y\,\,1} \right]\left[ {\matrix{ {0.5} & 0 & 0 \cr 0 & {0.25} & 0 \cr 1 & 2 & 1 \cr } } \right]$$ in a $$2D.$$
In a $$2D$$ $$CAD$$ system represents................

A
Scaling and translation
B
Scaling and rotation
C
rotation and translation
D
rotation
3
GATE PI 2007
+2
-0.6
In a $$CAD$$ package, a point $$P(6, 3, 1)$$ is projected along a vector $$v(-2, 1, -1).$$ The projection of this point on $$X-Y$$ plane will be
A
$$(4, 4, 0)$$
B
$$(8, 2, 0)$$
C
$$(7, 4, 0)$$
D
$$(2, 5, 0)$$
4
GATE PI 2006
+2
-0.6
Complete the manual part program for drilling a hole located at point $$(20, 20)$$ from the target point . The depth of the hole to be drilled is $$15mm$$
\eqalign{ & \,\,\,\,\,\,FROM/TARG \cr & \,\,\,\,\,\,GOTO/20,\,\,20,\,\,0 \cr}
A
\eqalign{ & GODLTA/0,0, - 15 \cr & GODLTA/0,0,15 \cr & GOTO/SETPT \cr}
B
\eqalign{ & GODLTA/0,0,15 \cr & GODLTA/0,0, - 15 \cr & GOTO/SETPT \cr}
C
\eqalign{ & GOTO/SETPT \cr & GODLTA/0,0, - 15 \cr & GODLTA/0,0,15 \cr}
D
\eqalign{ & GOTO/SETPT \cr & GODLTA/0,0,15 \cr & GODLTA/0,0, - 15 \cr}
GATE PI Subjects
Engineering Mechanics
Theory of Machines
Machine Design
Fluid Mechanics
Thermodynamics
Casting
Joining of Materials
Metal Forming
Machine Tools and Machining
Metrology
Industrial Engineering
EXAM MAP
Medical
NEETAIIMS