Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. CHM is used to thin out walls, web and ribs of parts that have been produces by which of the following processes?
a. forging
b. casting
c. sheet metal forming
d. all of the mentioned
Q. Removal of sharp burrs come under which application of Chemical milling process?
a. deep cuts
b. multiple part machining
c. improving surface characteristics
d. none of the mentioned
Q. Which of the following can be eliminated from the surfaces using Chemical milling?
a. alpha case from ti-forgings
b. decarburized layer from low cast alloys
c. recast layer from machined parts
d. all of the mentioned
Q. CHM is used to remove the thin surfaces from forgings and castings, at which time of process?
a. after penetration inspection
b. prior to penetration inspection
c. at the starting of process
d. at the end of process
Q. In advanced machining processes, what is the full form of ECM?
a. electrochemical manufacturing
b. electrochemical milling
c. electrochemical machining
d. electrochemical masking
Q. In the following scientists, who was the one to introduce first patent on ECM?
a. balamuth
b. steve o flawer
c. gusseff
d. mcgeough
Q. Which of the following material removal mechanisms is implemented by ECM?
a. mechanical abrasion
b. electrochemical dissolution
c. chemical corrosion
d. mechanical erosion
Q. Electrolysis occur when which of the following takes place between electrodes?
a. electric current flow
b. electron flow
c. all of the mentioned
d. none of the mentioned
Q. The system which consists of electrolytic solution and electrodes can be referred to as
a. electrolytic cell
b. electrode system
c. electrolytic system
d. electrode cell
Q. The chemical reactions occurring at electrodes are called with, which of the following names?
a. anodic reactions
b. cathode reactions
c. all of the mentioned
d. none of the mentioned
Q. Amount of mass dissolved is directly proportional to which of the following quantities?
a. amount of electricity
b. frequency of vibrations
c. amplitude of oscillations
d. all of the mentioned
Q. Chemical equivalent is the ratio of which of the following factors?
a. work piece valence to the atomic weight
b. atomic weight to work piece valence
c. tool valence to molecular weight
d. molecular weight to tool valence
Q. What are the values of voltages used in ECM?
a. 1 to 8 v
b. 10 to 30 v
c. 40 to 80 v
d. 90 to 110 v
Q. How does the current pass between the two electrodes in ECM?
a. electrolytic solution
b. direct contact of electrodes
c. all of the mentioned
d. none of the mentioned