Which of the following statement is correct in regard to centreless grinding? September 13, 2025 by Admin The workpiece is supported throughout its entire length as grinding takes place. It is a continuous process and adopted for production work. It requires no holding device for the work. all of the above ✅ The correct answer is option D.
A right hand tool on a lathe cuts most efficiently when it travels September 13, 2025 by Admin from left to right end of the lathe bed from right to left end of the lathe bed with the help of a compound slide across the bed ✅ The correct answer is option B.
In a universal milling machine, the table can be swiveled horizontally and can be fed at an angle to the milling machine spindle. September 13, 2025 by Admin TRUE FALSE ✅ The correct answer is option A.
In centreless grinders, the regulating wheel is inclined at September 13, 2025 by Admin 0° to 8° 9° to 15° 16° to 20° 21° to 25° ✅ The correct answer is option A.
If the grain size is __________ the tool life is better. September 13, 2025 by Admin smaller larger ✅ The correct answer is option B.
Which of the following statement is correct for orthogonal cutting system? September 13, 2025 by Admin The cutting edge of the tool is perpendicular to the direction of tool travel. The cutting edge clears the width of the workpiece on either ends. 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 ✅ The correct answer is option D.
Flank wear depends upon the September 13, 2025 by Admin hardness of the work and tool material at the operating temperature amount and distribution of hard constituents in the work material degree of strain hardening in the chip all of these ✅ The correct answer is option B.
Side relief angle of a single point tool is the angle September 13, 2025 by Admin by which the face of the tool is inclined towards back by which the face of the tool is inclined sideways between the surface of the flank immediately below the point and a plane at right angles to the centre line of the point of tool between the surface of ✅ The correct answer is option C.
Flank wear is due to the abrasive action of hard mis-constituents including debris from built up edge as the work material rubs the work surface. September 13, 2025 by Admin Correct Incorrect ✅ The correct answer is option A.
A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged. September 13, 2025 by Admin soft grade medium grade hard grade ✅ The correct answer is option A.