I need answer within 20 minutes please please with my best wishes forming proces.16) Earing is a type of defect, usually found in17) Tension is the only type of stress applied in18)19) Straining a sheet of metal around a straight axis is called20) The extra portion which must be separated from the extrudate by cutting it just beyond the die exit is called21) In sheet metal forming the area to volume ratio is considered to be22) In rolling, if the maximum dratt is 12 mm, & the coefficient of friction is 0.2, thus the minimum roll diameter is23) The starting work piece in steel hot rolling of plate and sheet stock is called a24)are 3 methods that can be used to control the metal flow under the blank holder in deep drawing process.25)forming proces8.rolling mill type are associated with relatlvely small dlameter rolls in contact with the work piece.mm.are 4 reasons why do Deep Drawing of Cup Shaped Shells Fail.26)which means the reduction in diameter of the starting end of the wire in wire drawing process.

16) Earing is a type of defect, usually found in 17) Tension is the only type of stress applied in 18) --- ------olling mill type are associated with relatively small diameter rolls in contact with the work piece. forming process. forming procese.

16) Earing is a type of defect, usually found in 17) Tension is the only type of stress applied in 18) --- ------olling mill type are associated with relatively small diameter rolls in contact with the work piece. forming process. forming procese.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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In sheet metal parts, the minimum bending radius is dependent on which of the following elements? a. Thickness b. Type of a material c. State of material d. Thickness and type of material e. Type of process.
7 The example for forming process is ___________. a. Tempering b. Drawing c. Gas welding d. Die Casting
1. The friction in direct extrusion is ________ Indirect extrusion. a) Greater than. b) Equal to. c) Less than.2. The Temperature in hot forming process is ____. a) (0 to 0.4) Tm. b) (0.5 to 0.75) Tm. c) 0.9 Tm. d) 0.4 Tm. e) 0.8 Tm. f) (0.3 to 0.5) Tm. Where Tm is the melting temperature of the work piece.3. Maximum draft in rolling depends on _______. a) Coefficient of friction and roll radius. b) Thickness of plate. c) Smoothness of roll Surface. d) Roll rotational speed.e) Width of the plate. f) Length of the plate.4. In deep drawing process, the drawing ratio (DR) has a higher limit (value) of:- a) 6. b) 1. c) 4. d) 5. e) 7. f) 2. g) Zero.5. Spring Back is a phenomena usually associated with which of the following processes:-a) Extrusion. b) Forging. c) Bending. d) Wire drawing. e) Rolling. f) Sheet metal cutting. g) Deep Drawing.
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The maximum possible draft in rolling which is the difference between initial and final thickness of the sheet metal, depends on A. Rolling force B. Roll radius C. Roll width D. Yield shear stress of the material
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I am stuck on the process of finding the shear and being points.
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... (a) 0 (b) 2.07 (c) 20.7 (d) 41.4
A compound die will be used to blank and punch a large washer out of 6061ST aluminum alloy sheet stock 3.50 mm thick. The outside diameter of the washer is 50.0 mm and the inside diameter is 15.0 mm. Determine (a) the punch and die sizes for the blanking operation, and (b) the punch and die sizes for the punching operation Vallue for allowance = 0.060
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5. What is the difference between a single shear and double shear?