1.
While cold forging is done at room temperatures, hot forging occurs at:
A
100 to 500 degrees
B
500 to 1000 degrees
C
1000 to 2000 degrees
D
200 to 3000 degrees
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31 practice sets · Page 1 of 2
While cold forging is done at room temperatures, hot forging occurs at:
100 to 500 degrees
500 to 1000 degrees
1000 to 2000 degrees
200 to 3000 degrees
Which one of the following vices is usually used in forging shop ?
Hand vice
Bench vice
Leg vice
Pin vice
Which one of the following tongs is used while forging hexagonal bolt ?
Round tong
Side tong
Hollow tong
Pipe tong
Which one of the following operations is performed when bottom swage and top fuller are used together ?
Hollowing
Drawing out
Jumping
Bending
Which one of the following is the function of tuyeres in the forge ?
Permits cooled air
Controls smoke and Sparks
Acts as an outlet of products of combustion
No function
Which among the following parts of the anvil is called beak ?
Rectangular top surface
Round tapered end
Square hole
Bottom portion
Which among the following is used for bending hooks of flat and round steel bars ?
Bending links
Bending blocks
Bolster swages
Fork tool
Which among the following is a term used in forging in which the thickness of the job is increased by decreasing its length ?
Drawing out
Punching
Drifting
Jumping
Which among the following is a forging defect, which occurs during the upsetting process when faces of the stock become square ?
Buckling of stock
Folds
Surface and internal cracks
None of the above
Upset forging
Causes a steadily applied pressure instead of impact force
Is used to force the end of a heated bar into a desired shape
Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
Is a forging method for reducing the diameter of a bar and in the process making it longer
The process of local thinning down of a stock by forging operation is called as :
Setting down
Drawing down
Swaging out
Punching
The primary difference between hot die forging and isothermal forging is:
the temperature of the workpiece
the temperature of the dies
the materials forged
workpiece finishing.
The operation of removing the burr or flash from the forged parts in drop forging is known as
Lancing
Trimming
Coining
Shot peening
The most suitable heating temperature for forging low alloy steel is
750 Degree Centigrade
850 Degree Centigrade
1100 Degree Centigrade
1200 Degree Centigrade
Swage block is made of
Mild steel
Malleable cast iron
High carbon steel
Tool steel
Roll forging
Causes a steadily applied pressure instead of impact force
Is used to force the end of a heated bar into a desired shape
Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
Is a forging method for reducing the diameter of a bar and in the process making it longer
Metal flow in open-die forging is:
done without any lubrication
limited
practically unlimited
harder to achieve
Hot press forging
Is a forging method for reducing the diameter of a bar and in the process making it longer
Causes a steadily applied pressure instead of impact force
Is used to force the end of a heated bar into a desired shape
Is a forging operation in which two halves of rotating die open and close rapidly while impacting the end of the heated tube or shell
Hot die and isothermal forging is used on:
only very ductile materials
ferrous materials only
non-ferrous material only
materials with narrow forging ranges
Fullers are used for
Drawing down
Necking and grooving
Forming the heads of rivets, bolts etc
Making shoulders with right angles