Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Which of the following material/s cannot be used for making of nozzle in Abrasive jet machining?
a. tungsten carbide
b. steel alloy
c. sapphire
d. synthetic sapphire
Q. What is the life of Tungsten carbide material nozzle?
a. 1 – 8 hrs
b. 2 – 5 hrs
c. 10 – 15 hrs
d. 25 – 40 hrs
Q. In AJM, what is the life of synthetic sapphire material nozzle?
a. 100 hrs
b. 300 hrs
c. 500 hrs
d. 700 hrs
Q. Which of the following, are the processes and applications in which Abrasive jet machining can be applied?
a. drilling
b. cutting
c. deburring
d. all of the mentioned
Q. In Abrasive jet machining, intricate shapes and holes are machined on which type of materials?
a. brittle
b. thin
c. difficult to machine
d. all of the mentioned
Q. What are the type of materials that can be machined using Abrasive jet machining?
a. glass
b. sapphire
c. quartz
d. all of the mentioned
Q. What is the amount of material utilizes when we machine parts using Abrasive jet machining?
a. very low
b. low
c. medium
d. high
Q. After how much time tool has to be changed in AJM?
a. 1 hr
b. 2 hrs
c. 5 hrs
d. no tool change required
Q. By using Abrasive jet machining, how much amount of hardening does the materials experience?
a. no hardening
b. very less hardening
c. average hardening
d. high hardening
Q. Which type of materials cannot be machined using Abrasive jet machining?
a. soft materials
b. hard materials
c. difficult to machine materials
d. none of the mentioned
Q. Which of the following materials in Abrasive jet machining can be a health hazard?
a. abrasive grains
b. air carrier
c. silica dust
d. none of the mentioned
Q. In AJM, air filters are used to remove which of the following?
a. moisture
b. oil
c. other dust particles
d. all of the mentioned