Top 550+ Solved Unconventional Machine Process (UMP) MCQ Questions Answer
Q. Which type of taper can be achieved, using Chemical milling, on contours?
a. discontinuous
b. continuous
c. periodic
d. none of the mentioned
Q. In WJM, what are the properties of jet fluid that affect the MRR?
a. velocity
b. flow rate
c. viscosity
d. all of the mentioned
Q. Which of the following property/ies of nozzle does not affect the material removal rate in Water jet machining?
a. material
b. diameter
c. outside temperature
d. stand-off distance
Q. In the following materials, Water jet machining can be used on which type of material?
a. metals
b. plastics
c. ceramics
d. all of the mentioned
Q. What are the processes and applications, where Water jet machining can be used?
a. cutting
b. drilling
c. deburring
d. all of the mentioned
Q. What is the tolerance limit range of thin materials in WJM?
a. ± 0.1 mm
b. ± 10 mm
c. ± 25 mm
d. ± 50 mm
Q. In cutting of rocks using water jet machining, which type of pressure is needed?
a. low pressure
b. medium pressure
c. high pressure
d. none of the mentioned
Q. In deburring, which combination removes the material from non-metallic materials?
a. high pressure and low flow rate
b. high pressure and high flow rate
c. low pressure and low flow rate
d. low pressure and high flow rate
Q. Which of the following materials has some drawbacks of cutting WJM?
a. food
b. rocks
c. fibre-reinforced plastics
d. none of the mentioned
Q. In WJM, surface treatment includes which type of processes?
a. removing deposits
b. removing chemicals
c. degreasing
d. all of the mentioned
Q. In how many directions, can the cutting takes place in Water jet machining?
a. uni-directional
b. bi-directional
c. multi-directional
d. none of the mentioned
Q. In Water jet machining, cuts can be started at which place of workpiece?
a. from left
b. from right
c. from middle
d. from any point