Production Engineering Online Test – MCQs and Answers Posted on April 16, 2024April 16, 2024 by engineerLeave a comment 1. Glazing in grinding wheels can be decreased by using a softer wheel or by increasing the wheel speed using a harder wheel or by increasing the wheel speed using a harder wheel or by decreasing the wheel speed using a softer wheel or by decreasing the wheel speed 2. In metal cutting, use of low feeds and high cutting speeds is desired when the objective is high metal removal rate use of soft cutting tool dry machining surface finish 3. The cutting speed is minimum while machining __________ with a high speed steel tool cast iron mild steel brass aluminium 4. When the end of a tap is tapered for about three or four threads, it is known as a bottoming tap second tap taper tap none of these 5. Crater wear is predominant in tungsten carbide tools high speed steel tools ceramic tools carbon tool steels 6. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called rake angle clearance angle cutting angle lip angle 7. The factor responsible for the formation of continuous chips with built up edge is low cutting speed and large rake angle high cutting speed and large rake angle low cutting speed and small rake angle high cutting speed and small rake angle 8. Thread grinding requires work speed from 14 to 20 m/min 1 to 3 m/min 10 to 14 m/min 5 to 10 m/min 9. Which of the following statement is correct for orthogonal cutting system? The cutting edge clears the width of the workpiece on either ends The cutting edge of the tool is perpendicular to the direction of tool travel The chip flows over the tool face and the direction of the chip flow velocity is normal to the cutting edge all of the above 10. Larger than 15° side cutting edge angle increases tool life results in excessive stress concentration and greater heat generation produces chipping and decreases tool life decreases tool life Loading … Question 1 of 10
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