Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. As the vibration frequency increases, what happens to material removal rate?
a. decreases
b. increases
c. increase and then decrease
d. decrease and then increase
Q. Which of the following can be used as an abrasive carrying medium?
a. water
b. benzene
c. glycerol
d. all of the mentioned
Q. If there is an increase in viscosity of slurry, what happens to MRR?
a. increases
b. decreases
c. remains same
d. none of the mentioned
Q. How much percent of the abrasives are recommended in general for abrasive medium?
a. 10 – 15 %
b. 15 – 20 %
c. 25 – 30 %
d. 30 – 35 %
Q. As the tool area increases, what happens to MRR?
a. decreases
b. increases
c. remains same
d. none of the mentioned
Q. When the static pressure of the feed is increases, what happens to MRR?
a. increases
b. decreases
c. increase up to a limiting condition
d. decrease up to a limiting condition
Q. Which of the following distribution factors, does not affect the machining parts?
a. side wear of tool
b. abrasive wear
c. accurate feed
d. form error of tool
Q. Which one of the following factors affects the accuracy of parts?
a. steady abrasive flow
b. accurate feed
c. unsteady abrasive flow
d. ultrasonic frequency
Q. While machining W4C and glass, tool over cut size when compared to mean grain size is?
a. two times greater
b. two times smaller
c. three times greater
d. three times smaller
Q. While machining B4C, tool over cut size when compared to mean grain size is?
a. two times greater
b. two times smaller
c. three times greater
d. three times smaller
Q. Conicity resulting after machining by Ultrasonic Machining can be reduced by?
a. direct injection of slurry
b. tools having negative taper
c. high static pressure
d. all of the mentioned
Q. Which of the following factors affect the surface finish of machined parts in Ultrasonic Machining?
a. amplitude
b. material
c. tool surface
d. all of the mentioned
Q. When the viscosity of liquid carrier is increased, the surface quality of the parts?
a. increased
b. decreased
c. remained same
d. none of the mentioned