Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 108 - 110 of 115

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Question 108

Manufacturing and Industrial Engineering
PERT and CPM Models

Appeared in Year: 2020

Question

Numeric Answer▾

Consider the following network of activities, with each activity named A-L, illustrated in the nodes of the network.

Network of Activities

The number of hours required for each activity is shown alongside the nodes. The slack on the activity L, is ________ hours.

Question 109

Manufacturing and Industrial Engineering
Rolling
Edit

Appeared in Year: 2021

Question

Numeric Answer▾

The thickness, width and length of a metal slab are 50 mm, 250 mm and 3600 mm, respectively. A rolling operation on this slab reduces the thickness by 10 % and increase the width by 3 % . The length of the rolled slab is ________ mm (round off to one decimal place) .

Question 110

Manufacturing and Industrial Engineering
Basic Concept of CAD and CAM and Integration Tools

Appeared in Year: 2020

Question

Numeric Answer▾

A point ‘P’ on a CNC controlled XY-stage is moved to another point ‘Q’ using the coordinate system shown in the figure below and rapid positioning command (G00) .

CNC Controlled XY-Stage

A pair of stepping motors with maximum speed of 800 rpm, controlling both the X and Y motion of the stage, are directly coupled to a pair of lead screws, each with a uniform pitch of 0.5 mm. The time needed to position the point ‘P’ to the point ‘Q’ is ________ minutes (round off to 2 decimal places) .

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