Manufacturing and Industrial Engineering [GATE (Graduate Aptitude Test in Engineering) Mechanical Engineering]: Questions 111 - 112 of 115

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Question 111

Manufacturing and Industrial Engineering
Forecasting Models

Appeared in Year: 2021

Question

Numeric Answer▾

A cast product of a particular material has dimensions . The total solidification time for the cast product is found to be B.0 minutes as calculated using Chvorinov՚s rule having the index. n = B. If under tine identical casting conditions. tine cast product shape is changed to a cylinder having diameter = 50 mm and height = 50 mm. the total solidification time will be ________minutes (round off to two decimal places) .

Question 112

Manufacturing and Industrial Engineering
Mechanics of Machining

Appeared in Year: 2021

Question

Numeric Answer▾

A surface grinding operation has been performed on a Cast Iron plate having dimensions 300 mm (length) 10 mm (width) 50 mm (height) . The grinding was performed using an alumina wheel having a wheel diameter of 150 mm and wheel width of 12 mm. The grinding velocity used is 40 m/s. table speed is 5 m/min. depth of cut per pass is and the number of grinding passes is the average tangential and average normal forces for each pass are found to be 40 N and 60 N respectively. The value of the specific grinding energy under the aforesaid grinding conditions is ________ J/ (Round off to one decimal place) .

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