Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. What is the value of thickness of recast layer obtained when power of 5 µJ is given?
a. 1 µm
b. 3 µm
c. 5 µm
d. 7 µm
Q. The depth of the annealed surface is to the amount of power used in machining operation.
a. directly proportional
b. inversely proportional
c. exponential
d. all of the mentioned
Q. In EDM, choosing electrodes that produce which type of machining reduces the annealing effect?
a. stable
b. unstable
c. uneven
d. all of the mentioned
Q. What happens to the fatigue strength of alloys if altered surfaces are produced in Electro discharge machining?
a. increases
b. reduces
c. enhances
d. improves
Q. The altered layers formed during the process of EDM consists of which of the following?
a. tempered layers
b. heat affected zones
c. intergranular precipitates
d. all of the mentioned
Q. During roughing process through Electro discharge machining, what is the thickness of layer formed?
a. <0.075 mm
b. <0.125 mm
c. <0.500 mm
d. <0.750 mm
Q. During finishing process through Electro discharge machining, what is the value thickness of layer formed?
a. <0.075 mm
b. <0.125 mm
c. <0.500 mm
d. <0.750 mm
Q. Which of the following processes can be used for restoration of fatigue properties?
a. low-stress grinding
b. chemical machining
c. reheat treatment
d. all of the mentioned
Q. Which of the following shapes can be produced using Electro discharge machining?
a. complex shapes
b. simple shapes
c. all of the mentioned
d. none of the mentioned
Q. Which of the following materials can be machined using Electro discharge machining?
a. heat resistant alloys
b. super alloys
c. carbides
d. all of the mentioned