On This Page
This set of Unconventional Machine Process (UMP) Multiple Choice Questions & Answers (MCQs) focuses on Unconventional Machine Process Set 5
Q1 | Abrasive flow value in Abrasive water jet machining will range between which of the following values?
- 0.01 – 0.1 kg/min
- 0.1 – 1.0 kg/min
- 1.0 – 10 kg/min
- 10 – 100 kg/min
Q2 | Of the following values, between which values traverse speed will range?
- 0.1 to 5 m/min
- 5 to 100 m/min
- 100 to 500 m/min
- 500 to 1000 m/min
Q3 | Depth of cut values in Abrasive water jet machining ranges between which values?
- 0.01 to 2 mm
- 2 to 250 mm
- 300 to 500 mm
- 650 to 900 mm
Q4 | Who discovered USM?
- balamuth
- paul o flawer
- turing
- steve john
Q5 | What is the full form of USM in advanced machining process?
- ultrasound manufacturing
- ultrasonic machining
- uv spectrum manufacturing
- ultra sonar machining
Q6 | USM removes materials using the tool.
- perpendicularly rotating
- perpendicularly oscillating
- axially oscillating
- inclined oscillating
Q7 | Which is softer material in USM?
- tool
- work piece
- tool & work piece
- none of the mentioned
Q8 | Frequency of tool’s oscillation in USM ranges between
- 5-10 khz
- 10-15 khz
- 18-20 khz
- 25-50 khz
Q9 | The machining system of USM contains which of the following components?
- magnetostrictor
- concentrator
- tools and slurry
- all of the mentioned
Q10 | In Ultrasonic Machining, Magnetostrictor is energized at ultrasonic frequency.
- true
- false
Q11 | Of the following scientists, who discovered magnetostrictor effect?
- balamuth
- steve o flawer
- joule
- turing
Q12 | In Ultrasonic Machining, magnetostrictor converts magnetic energy into which type of energy?
- mechanical energy
- electrical energy
- thermal energy
- none of the mentioned
Q13 | In USM, tool tips must have low resistance and fatigue strength.
- true
- false
Q14 | At what rate slurry is pumped through nozzle in USM?
- 10 l/min
- 25 l/min
- 50 l/min
- 75 l/min
Q15 | By which of the following means, material is removed in USM?
- mechanical abrasion
- microchipping
- cavitation
- all of the mentioned
Q16 | In the following mechanisms, which one is dominant in material removal?
- hammering
- cavitation
- microchipping
- none of the mentioned
Q17 | When machining porous material, which type of mechanism is introduces?
- abrasion
- erosion
- corrosion
- vaporization
Q18 | The rate of material removal depends on which of the following features?
- frequency
- static pressure
- machining area
- all of the mentioned
Q19 | The machinability of USM depends on brittleness criterion.
- true
- false
Q20 | Which of the following are the features of tool affecting MRR in USM?
- hardness
- wearability
- accuracy
- mounting
Q21 | What happens to MRR with increase in tool amplitude?
- increases
- decreases
- remains same
- none of the mentioned
Q22 | The vibration amplitude determines, which parameter of the abrasive particles?
- force
- torque
- velocity
- pressure
Q23 | If splashing occurs, it will result in an increase of material removal rate in USM.
- true
- false
Q24 | As the vibration frequency increases, what happens to material removal rate?
- decreases
- increases
- increase and then decrease
- decrease and then increase
Q25 | Which of the following can be used as an abrasive carrying medium?
- water
- benzene
- glycerol
- all of the mentioned