Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Which of the following are the limitations of Chemical milling process?
a. disposal of chemicals
b. limited scribing accuracy
c. surface imperfections
d. all of the mentioned
Q. What is the value of shallow cuts obtained on sheets and plates, when we use CHM?
a. 3.83 mm
b. 6.39 mm
c. 12.27 mm
d. 20.32 mm
Q. Hand masking, scribing and stripping can be difficult, due to which of the following factors?
a. time consuming
b. repetitive
c. tedious
d. all of the mentioned
Q. Which type of metallurgical surfaces are needed in Chemical milling process?
a. homogenous
b. heterogeneous
c. mixture
d. none of the mentioned
Q. Porous castings yield, which type of surfaces in Chemical milling process?
a. uniform surfaces
b. even surfaces
c. uneven surfaces
d. none of the mentioned
Q. Which of the following, indicate the accuracy of scribing by Chemical milling process?
a. unlimited
b. boundless
c. infinite
d. none of the mentioned
Q. Which of the following are the other limitations of Chemical milling process?
a. hydrogen pickup
b. intergranular attack
c. complex designs becoming expensive
d. all of the mentioned
Q. Which of the following is not a limitation of Chemical milling process?
a. steep tapers not practical
b. low scrap rates
c. less scribing accuracy
d. deep narrow cuts
Q. Which of the following metals can be machined using the Chemical milling process?
a. copper
b. zinc
c. steel
d. all of the mentioned
Q. Which of the following non-metallic materials can be machined using the Chemical milling process?
a. plastics
b. glass
c. ceramics
d. all of the mentioned
Q. Which of the following is the most popular application for weight reduction of aerospace components?
a. shallow cuts
b. deep cuts
c. very deep cuts
d. none of the mentioned
Q. How many designs can be machined from the same sheet in Chemical milling?
a. only one
b. two
c. three
d. multiple