1
GATE PI 2015
MCQ (Single Correct Answer)
+2
-0.6
Match the linear transformation matrices listed in the first column to their interpretations in the second column. GATE PI 2015 Machine Tools and Machining - Advance Machine Tools Question 5 English
A
$$P - 1,\,\,Q - 2,\,\,R - 3,\,\,S - 4$$
B
$$P - 2,\,\,Q - 3,\,\,R - 4,\,\,S - 1$$
C
$$P - 3,\,\,Q - 4,\,\,R - 1,\,\,S - 2$$
D
$$P - 4,\,\,Q - 1,\,\,R - 2,\,\,S - 3$$
2
GATE PI 2015
Numerical
+2
-0
In a Flexible manufacturing system, the Automated Guided Vehicles $$(AGV)$$ move at a speed of $$50$$ $$m/min,$$ cover an average distance of $$150$$ $$m$$ to deliver and $$100$$ $$m$$ for return. If the time required for pick-up and drop is $$30$$ $$s$$ each, neglecting idle times, then the number of $$AGV$$$$s$$ required to meet the demand of $$50$$ delivers per hour is ____________.
Your input ____
3
GATE PI 2014
MCQ (Single Correct Answer)
+2
-0.6
Each axis of $$NC$$ machine is driven by a stepper motor drive with a lead screw. The pitch of lead screw is $$p$$ $$mm.$$ The step angle of stepper motor per pulse input is $$\alpha $$ degrees/pulse. The ratio of gear drive in stepper motor drive is $$g$$(number of turns of the motor for each single turn of the lead screw). The number of pulses required to achieve a linear movement of $$x$$ $$mm$$ is
A
$${{\alpha g} \over {360p}}x$$
B
$${{360g} \over p}x$$
C
$${g \over {360p}}x$$
D
$${{360g} \over {p\alpha }}x$$
4
GATE PI 2014
Numerical
+2
-0
A $$CNC$$ instruction $$G91\,\,\,G01\,\,\,X30\,\,\,Y40\,\,\,F100$$ commands the movement of tool along the path at a feed rate of $$100mm/min$$ $$(G91$$-incremental format and $$G01$$-linear interpolation). The feed rate of the tool (in $$mm/min)$$ along the $$X$$ axis will be _______________
Your input ____
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