Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Electro discharge sawing is an application of EDM which employs as tool material.
a. steel band
b. disc
c. steel band & disc
d. none of the mentioned
Q. When compared to the conventional abrasive sawing, how many times faster is the MRR?
a. twice
b. thrice
c. four
d. five
Q. How much amount of burr is produce while machined using Electro discharge sawing?
a. 10%
b. 20%
c. 50%
d. no burr
Q. 3 to 10 µm when machined using Electro discharge sawing.
a. 0.001 to 0.022 mm
b. 0.025 to 0.130 mm
c. 0.236 to 0.352 mm
d. 0.432 to 0.568 mm
Q. Which of the following electrodes are used for machining spherical surfaces in Electro discharge machining?
a. tubular electrodes
b. flat electrodes
c. cuboidal electrodes
d. all of the mentioned
Q. What are the values of dimensional accuracy obtained while machining spherical surfaces?
a. ± 1 µm
b. ± 3 µm
c. ± 5 µm
d. ± 7 µm
Q. What are the surface roughness values obtained while machining spherical surfaces using Electro discharge machining?
a. <0.1 µm
b. <0.3 µm
c. <0.5 µm
d. <0.7 µm
Q. Which motion of tool is used for machining spherical surfaces in Electro discharge machining?
a. oscillatory
b. vibratory
c. rotary
d. all of the mentioned
Q. Which type of electrodes are used for milling application in Electro discharge machining process?
a. tubular type electrodes
b. cylindrical type electrodes
c. flat type electrodes
d. spherical type electrodes
Q. Which type of cavities can be machined using milling process by Electro discharge machining?
a. complex cavities
b. simple cavities
c. simple & complex cavities
d. none of the mentioned
Q. The simple electrodes are rotated at which speed for milling of work pieces in Electro discharge machining?
a. very low
b. low
c. medium
d. high
Q. What happens to the dielectric flushing while milling tool is rotated at a high speed in EDM?
a. improved
b. worsen
c. reduced
d. all of the mentioned
Q. Which of the following are the steps included in the die sinking process of EDM?
a. cad of electrode
b. electrode manufacturing
c. programming for die sinking
d. all of the mentioned
Q. Which path of the components in wire EDM determines the path to be machined?
a. horizontal worktable movement
b. vertical worktable movement
c. horizontal & vertical worktable movement
d. none of the mentioned