Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Which type of laser can be used for direct drilling or percussion?
a. ruby laser
b. nd-yag laser
c. ruby & nd-yag laser
d. none of the mentioned
Q. Which of the following lasers is used for cutting thick materials in LBM?
a. co2 + gas assisted
b. co2 only
c. nd-yag
d. ruby
Q. Which of the following lasers is used for slitting of thin metallic materials in LBM?
a. co2 + gas assisted
b. co2 only
c. nd-yag
d. ruby
Q. Which of the following lasers is used for slitting of thin plastic materials in LBM?
a. co2 + gas assisted
b. co2 only
c. nd-yag
d. ruby
Q. Which of the following lasers is used for organics and non-metallic materials in LBM?
a. co2 + gas assisted
b. pulsed co2
c. nd-yag
d. ruby
Q. Which of the following lasers is used for ceramic materials in LBM?
a. pulsed co2
b. nd-yag
c. pulsed co2 & nd-yag
d. none of the mentioned
Q. Which of the following is not an advantage of LBM?
a. rapid machining
b. low operating cost
c. high equipment cost
d. no tool wear
Q. Which of the following systems is used for locating the hole accurately for alignment?
a. mechanical control system
b. optical laser system
c. measurement system
d. alignment system
Q. Very holes with a aspect ratio can be produced using Laser beam machining.
a. small, small
b. small, large
c. large, small
d. large, large
Q. How are the machining times in Laser beam machining?
a. very slow machining times
b. slow machining times
c. moderate machining times
d. fast machining times
Q. How is the operating cost of the machines used in Laser beam machining?
a. low
b. moderate
c. high
d. very high
Q. How much amount of tapers are occurred in Laser drilled holes?
a. no taper
b. negligible amount of taper
c. some amount
d. none of the mentioned
Q. What is the maximum depth up to which holes can be drilled using LBM?
a. 10 mm
b. 30 mm
c. 50 mm
d. 70 mm
Q. What is to be done to the adherent material which are found at exit holes?
a. shape them
b. leave away
c. remove them
d. flatten them view answer