Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Frequency of tool’s oscillation in USM ranges between
a. 5-10 khz
b. 10-15 khz
c. 18-20 khz
d. 25-50 khz
Q. The machining system of USM contains which of the following components?
a. magnetostrictor
b. concentrator
c. tools and slurry
d. all of the mentioned
Q. Of the following scientists, who discovered magnetostrictor effect?
a. balamuth
b. steve o flawer
c. joule
d. turing
Q. In Ultrasonic Machining, magnetostrictor converts magnetic energy into which type of energy?
a. mechanical energy
b. electrical energy
c. thermal energy
d. none of the mentioned
Q. At what rate slurry is pumped through nozzle in USM?
a. 10 l/min
b. 25 l/min
c. 50 l/min
d. 75 l/min
Q. By which of the following means, material is removed in USM?
a. mechanical abrasion
b. microchipping
c. cavitation
d. all of the mentioned
Q. In the following mechanisms, which one is dominant in material removal?
a. hammering
b. cavitation
c. microchipping
d. none of the mentioned
Q. When machining porous material, which type of mechanism is introduces?
a. abrasion
b. erosion
c. corrosion
d. vaporization
Q. The rate of material removal depends on which of the following features?
a. frequency
b. static pressure
c. machining area
d. all of the mentioned
Q. Which of the following are the features of tool affecting MRR in USM?
a. hardness
b. wearability
c. accuracy
d. mounting
Q. What happens to MRR with increase in tool amplitude?
a. increases
b. decreases
c. remains same
d. none of the mentioned
Q. The vibration amplitude determines, which parameter of the abrasive particles?
a. force
b. torque
c. velocity
d. pressure