- Total number of questions: 65
- 30 questions carry one mark each
- 35 questions carry two marks each
- Negative marking: 1/3 of the marks allotted to the question
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Mechanical Engineering (ME) 2013 [Session 4]
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In simple exponential smoothing forecasting, to give higher weightage to recent demand information, the smoothing constant must be close to
A steel bar 200 mm in diameter is turned at a feed of 0.25 mm/rev with a depth of cut of 4 mm. The rotational speed of the workpiece is 160 rpm. The material removal rate in mm3/s is
A cube shaped casting solidifies in 5 min. The solidification time in min for a cube of the same material, which is 8 times heavier than the original casting, will be
For a ductile material, toughness is a measure of
In order to have maximum power from a Pelton turbine, the bucket speed must be
Consider one-dimensional steady state heat conduction along x-axis (0 ≤ x ≤ L), through a plane wall with the boundary surfaces (x=0 and x=L) maintained at temperatures of 0°C and 100°C. Heat is generated uniformly throughout the wall. Choose the CORRECT statement.