Q. Ultra-sonic machining is best suited for

View solution

Q. In plunge grinding

View solution

Q. When the grinding wheel is marked by the letters from I to P, it indicates that the grinding wheel is of hard grade.

View solution

Q. A 15 mm drilling machine means that it can drill a hole

View solution

Q. In which of the following machine, the work remains stationary and the tool is rotated?

View solution

Q. The ratio between two consecutive spindle speeds for a six-speed drilling machine using drills of diameter 6.25 to 25 mm size and at a cutting velocity of 18 m/min is

View solution

Q. The cutting speed of a drill depends upon the

View solution

Q. The part of the tool on which cutting edge is formed is called nose.

View solution

Q. The chamfering is an essential operation after

View solution

Q. The factor responsible for the formation of discontinuous chips is

View solution

Q. The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average speed of operation is

View solution

Q. The actual feed in centreless grinders is given by (where d = Dia. of regulating wheel, n = Revolutions per minute, and α = Angle of inclination of wheel)

View solution

Q. For fast removal of materials during grinding, a __________ grinding wheel is used.

View solution

Q. Which of the following process is used for preparing parts having large curved surfaces and thin sections?

View solution

Q. The size of abrasive grain required in a grinding wheel depends upon the

View solution

Q. A grinding wheel is said to be of __________ if it holds the abrasive grains more securely.

View solution

Q. A dense structure of a grinding wheel is used for

View solution

Q. The keyways, grooves and slots cannot be cut on a shaper.

View solution

Q. Side relief angle of a single point tool is the angle

View solution

Q. The type of tool used on milling machine and broaching machine is

View solution