Q.1
Which of the following statement is incorrect with reference of lathe cutting tools?
Q.2
In hot machining, tool is made of
Q.3
A dynamo-meter is a device used for the measurement of
Q.4
The structure of a grinding wheel depends upon
Q.5
The grade of grinding wheel depends upon
Q.6
The hole to be drilled for tapping is _________ the outside diameter of the thread on the tap.
Q.7
In centreless grinding, the surface speed of regulating wheel is
Q.8
The size of a shaper is given by
Q.9
In drilling softer materials, the cutting speed is ___________ as compared to harder materials.
Q.10
Lathe bed is made of
Q.11
Gear lapping is an operation
Q.12
In a particular type of welding, flux is prepared in the form of a coarse powder and granulated flux is spread over the joint. What is this type of welding process called?
Q.13
The lip clearance angle is the angle formed by the
Q.14
The usual value of the helix angle of a drill is
Q.15
The process of improving the cutting action of the grinding wheel is called
Q.16
A solid cylinder of diameter 100 mm and height 50 mm is forged between two frictionless flat dies to a height of 25 mm. The percentage change in diameter is
Q.17
In oblique cutting of metals, the cutting edge of the tool is
Q.18
In drilling Bakelite and fibrous plastics, the point angle of a drill is
Q.19
The usual value of the point angle of a drill is
Q.20
The guide-ways are of
Q.21
The method of grinding used to produce internal cylindrical holes and tapers, is
Q.22
Glazing in grinding wheels takes place when the
Q.23
The abrasive slurry used in ultrasonic machining contains fine particles of
Q.24
Fixtures are used
Q.25
Grinding wheels should be tested for balance
Q.26
If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is
Q.27
The tool life is affected by
Q.28
Which of the following is the correct data structure for solid models?
Q.29
The cutting fluid mostly used for machining alloy steels is
Q.30
What is the welding defect caused due to improper control and poor removal of slog between passes called?
0 h : 0 m : 1 s