Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer

From 241 to 255 of 641

Q. Which of the following, are the main uses of etchants applied in Chemical milling?

a. good surface finish

b. uniform material removal

c. control intergranular attack

d. all of the mentioned

  • d. all of the mentioned

Q. Scribing plates are used to define, which of the following parameters in Chemical milling?

a. areas to be exposed

b. volumes to be exposed

c. areas not to be exposed

d. volumes not to be exposed

  • a. areas to be exposed

Q. Which of the following are can be used as guides for scribing process in Chemical milling?

a. layout lines

b. simple templates

c. fibre glass

d. all of the mentioned

  • d. all of the mentioned

Q. Which of the following are the accessories, included in the tooling of Chemical milling?

a. tanks and hooks

b. brackets and racks

c. fixtures

d. all of the mentioned

  • d. all of the mentioned

Q. Which of the following come under process parameters of Chemical milling?

a. reagent type

b. concentration

c. operating temperature

d. all of the mentioned

  • d. all of the mentioned

Q. To machine high quality parts using CHM, which of the following need not be necessary?

a. heat treatment of work piece

b. grain size of work piece

c. frequency of vibrations

d. range of work pieces

  • c. frequency of vibrations

Q. The process parameters will have direct impact on which of the following factors?

a. etch factor

b. machining rate

c. production tolerance

d. all of the mentioned

  • d. all of the mentioned

Q. Which of the following, are the general materials used for maskant application?

a. neoprene

b. poly vinyl chloride

c. polyethylene

d. all of the mentioned

  • d. all of the mentioned

Q. On which of the following factors, MRR will not be depend on?

a. chemical uniformity

b. metallurgical uniformity

c. frequency uniformity

d. temperature uniformity

  • c. frequency uniformity

Q. Which of the following materials have the highest machining rate and best surface quality?

a. rolled metal sheets

b. thick metal plates

c. polymeric plates

d. plastic sheets

  • a. rolled metal sheets

Q. For softer materials, which type of etching rates are obtained?

a. very low

b. low

c. medium

d. high

  • b. low

Q. For harder materials, which of the following etching rates are obtained?

a. very low

b. low

c. medium

d. high

  • d. high
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