The distance a drill advances into the job in one complete revolution is known as

64) Which one of the following is used to hold the straight shank drill having diameter less than 12 mm ?

65) The rate of feed depends upon

66) Which among the following is NOT the factor for selection of cutting speed and feed for reaming a hole with a machine reamer ?

67) A nut is to be made for a screw of M10x1.5. What should be the size of drilled hole ?