Black colour
White colour
Maroon colour
Yellow colour
C. Maroon colour
Hardened
Tempered
Hardened and tempered
Case hardened
Is extensively used for making bolts and nuts
Is used for reducing the diameter of round bars and tubes by rotating dies which open and close rapidly on the work
Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Clay type binder
Organic type binder
Inorganic type binder
Any one of these
Basic size is 100 mm
Actual size is 100 mm
Difference between the actual size and basic size is 100 mm
None of the above
Lap joints in plates having 0.025 mm to 1.25 mm thickness
Lap joints in plates having thickness above 3 mm
Butt joints in plates having 0.025 mm to 1.25 mm thickness
Butt joints in plates having thickness above 3 mm
Melting pot is separate from the machine
Melting pot is an integral part of the machine
Melting pot may have any location
Low temperature and pressure is used
Red colour
Yellow colour
Black colour
Blue colour
Age hardening
Work hardening
Induction hardening
Flame hardening
Only one operation is performed at each stroke of the ram
Two or more operations are performed simultaneously at the single stroke of the ram
Two or more cutting operations are performed at one station of the press in every stroke of the ram
Both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram
Is extensively used for making bolts and rivets
Is used for reducing the diameters of round bars and a tube by rotating dies which open and close rapidly on the work
Is used to improve fatigue resistance of the metal by setting up compressive stresses in its surface
Consists of pressing the metal inside a chamber to force it out by high pressure through an orifice which is shaped to provide the desired form of the finished part
Plunging
Notching
Slitting
Forming
Same
Less
More
None of these
10 mm/m
16 mm/m
20 mm/m
26 mm/m
Refining grain size
Reducing original block into desired shape
Controlling the direction of flow lines
All of these
Work is connected to the positive terminal and the electrode holder to the negative terminal
Work is connected to the negative terminal and the electrode holder to the positive terminal
Work is connected to the positive terminal and the electrode holder is earthed
Work is connected to the negative terminal and the electrode holder is earthed
Large electrode is used
Welding rod coated with slag is used
Welding rod coated with fluxing material is used
None of the above
30°-40°
40°-50°
50°-60°
60°-70°
Horizontal core
Vertical core
Drop core
Balanced core
30°
45°
50°
60°
Poor surface finish is produced
Scale is formed on the metal surface
Close tolerances cannot be maintained
All of these
Equal to minor diameter of the thread
Equal to pitch diameter of the thread
A little larger than the minor diameter of the thread
A little larger than the pitch diameter of the thread
Is a two man saw
Is used for cutting along the grains of wood
Has a narrow blade with two wooden handles
All of the above
Low melting temperature
High melting temperature
Both (A) and (B)
None of these
Drag
Cheek
Cope
None of these
Charcoal and iron oxide
Charcoal and aluminium
Iron oxide and aluminium
Charcoal, iron oxide and aluminium
Cutting a sheet of metal in a straight line along the length
Removal of metal to the desired shape from the edge of a plate
Cutting a sheet of metal through part of its length and then bending the cut portion
Bending a sheet of metal along a curved axis
Towards right
Towards left
Alternately towards right and left and every third or fourth left straight
May be bent in any direction
Grinding the cutting edges sharp
Increasing the hardness of tool
Providing shear on tool
Increasing the hardness of die
Single cut file
Double cut file
Rasp cut file
Any one of these
Carbon electrode and the work
Metal electrode and the work
Bare metal electrode and the work
Two tungsten electrodes and the work