Mechanical Engineering
2019 · Paper 1
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Complete GATE ME 2019 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 15
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The length, width and thickness of a steel sample are 400 mm, 40 mm and 20 mm, respectively. Its thickness needs to be uniformly reduced by 2 mm in a single pass by using horizontal slab milling. The milling cutter (diameter: 100 mm, width: 50 mm) has 20 teeth and rotates at 1200 rpm. The feed per tooth is 0.05 mm. The feed direction is along the length of the sample. If the over-travel distance is the same as the approach distance, the approach distance and time taken to complete the required machining task are
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The position vector
of point P (20, 10) is rotated anti-clockwise in X-Y plane by an angle
such that point P occupies position Q, as shown in the figure. The coordinates
of Q are 
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 17
Open questionMEMCQ1 markNeeds review
The table presents the demand of a product. By simple three-months moving average method, the demand-forecast of the product for the month of September is
Month | Demand |
|---|---|
January | 450 |
February | 440 |
March | 460 |
April | 510 |
May | 520 |
June | 495 |
July | 475 |
August | 560 |
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