Q.1
The grinding operation is a
Q.2
A process of removing metal by pushing or pulling a cutting tool is called
Q.3
The operation of machining several surfaces of a workpiece simultaneously is called
Q.4
The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
Q.5
For fast removal of materials during grinding, a _________ grinding wheel is used.
Q.6
The hardness of a grinding wheel is determined by the
Q.7
Two plates of the same metal having equal thickness are to be butt welded with electric arc. When the plate thickness changes, welding is achieved by
Q.8
The stroke of a shaping machine is 250 mm. It makes 30 double strokes per minute. The overall average speed of operation is
Q.9
Down milling is also called
Q.10
EDM machining is applied for
Q.11
Which of the following process is used for preparing parts having large curved surfaces and thin sections?
Q.12
The work or surface speed for cylindrical grinding varies from
Q.13
A feed gear box for a screw cutting lathe is designed on the basis of
Q.14
The floating position of the holding fixture in a rotary transfer device is used to
Q.15
A _________ grinding wheel is used to grind soft materials.
Q.16
Ceramic tools are fixed to tool body by
Q.17
The cutting angle of a flat drill varies from
Q.18
In electrochemical machining, the gap between the tool and work is kept as
Q.19
The relief or clearance at the cutting edge of a flat drill varies from
Q.20
Low helix angle drills are preferred for drilling holes in
Q.21
In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
Q.22
When two main plates are kept in alignment butting each other and riveted with cover plate on both sides of the main plates with two rows of rivets in each main plate, the joint is known as _______ double cover butt joint.
Q.23
As tool and work are not in contact in EDM process
Q.24
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
Q.25
The factor which affects the tool life is
Q.26
Which of the following statement is wrong as regard to down milling?
Q.27
The angle between the face and flank of the single point cutting tool is known as
Q.28
In which of the following machine, the work remains stationary and the tool is rotated?
Q.29
The example of snag grinding is
Q.30
A twist drill is specified by its
0 h : 0 m : 1 s