(LDM)B-Write (True) or (False) for the following sentences:1. Cast-cobalt Alloys tool are produced by powder meXکت تيسبون لولاعةmetallurgy.toolat tool from rubbing the work positive rake angles on tools are provided.X 2. In order to prevent3. A fine grained grinding wheel is used to grind hard materials.X 4. when the proportion of pores is revolume, the structure is dense.5. Chills are used to increase the heating rate of metal.يم التقدم على امن واميis relatively larger than proportion of abrasive grains in the wheel

to Write (True) or (False) for the following sentences:Cast-cobalt Alloys tool are produced by…

B-Write (True) or (False) for the following sentences: 1. Cast-cobalt Alloys tool are produced by powder metallurgy. 2. In order to prevent tool from rubbing the work. positive rake angles on tools are provided. and it's is the phrt por e 3. A fine grained grinding wheel is used to grind hard materials. 4, when the proportion of pores is redes volume, the structure is dense. is relatively larger than proportion of abrasive grains in the wheel 1 5. Chills are used to increase the heating rate of metal.

B-Write (True) or (False) for the following sentences: 1. Cast-cobalt Alloys tool are produced by powder metallurgy. 2. In order to prevent tool from rubbing the work. positive rake angles on tools are provided. and it's is the phrt por e 3. A fine grained grinding wheel is used to grind hard materials. 4, when the proportion of pores is redes volume, the structure is dense. is relatively larger than proportion of abrasive grains in the wheel 1 5. Chills are used to increase the heating rate of metal.

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

See similar textbooks

Similar questions

Write ( True ) or ( False ) and correct the wrong sentences for the following : Chills are used metal . The torch size of ( GTAW ) process is larger than other ( PAW ) process . 5. Only two perpendicular components of cutting force act on the tool in case of oblique cutting . 6. The semicentrifugal casting , is used for casting articles of symmetrical shape about vertical axis . 7. In planer machine tool , workpiece remains stationary and tool reciprocates . 8. Boring is performed on the inside diameter of an existing hole . 9. In grinding processes , small grit sizes used to grind soft materials and permit larger material removal rates . 10. Side rake angle on tools is provided to control chip flow .
The below product in Figure Q1 requires to be sand casted based on the dimensions given. The past records revealed that a cylinder with a diameter of 1.5m with a height of 3m solidifies in 3 minutes in a sand casting operation using a similar material. a) Calculate the process time required for this design below. b) Suggest a suitable design of the riser. Specify what would be the riser dimension be in order to cater for this design. Justify your answer for the minimum possible size. c) Sketch a cross sectional drawing of the casting process with proper labeling of all the critical parts and suggest how would you modify the casting process if the cylinder part below required to be hollow instead of fully solid. r= 8 cm h = 60 cm 24 cm h = 220 cm Figure Ql
Grey cast iron, which contains between 2.5 and 4% carbon, has all or most of its carbon is uncombined in forms graphite flakes when it cools and solidifies from its molten state. True or false.
Help
5)
Explain casting grain structure for following cases a) pure metal b) alloy c) casting with adding of nucleation agents.
Which one below is an example of non-metallic based tool materials? 20 - O A) tool steels (Tak im çelikleri) O B) sbrasives (Abrazifler) sir quenching s teels (Hava çel ik leri) O D HSS toos (HSS uçlar) E) stellites (stellitler)
For each question, provide an explanation, identifying the correct choice ( it is marked in red) and explaining why it's the right answer, as well as why the other options are incorrect. Please do all three
QIB/ Complete ( any four) of the following: 1. .. has an advantage of improveing machinability 2. When the carbon atom diameter more than intersitial space.. ..occurs 3. Grey cast iron of 3% C, 3% Si , and 3% p has carbon equivelent of 4. Mg has low ductility because 5. ... element reduce the brittleness of steel ....... .........
What is the primary trend in yep-yeg versus with water depth?
50,000 Harden cats cruiser to be made a few thousands of an inch oversize and must be ground to 0.3750+ -0001"(a cylindrical feature) what grinding process/method and machine that should be used to meet the spec requirement that would be most economical: Center type cylindrical grinder, Multi wheel grinder, or Centraless grinder?
Which one of the following casting processes is the most widely used: a. centrifugal casting O b. investment casting O c. shell casting O d. die casting e. sand casting