Engineering Questions with Answers - Multiple Choice Questions
Manufacturing Engineering – Ultrasonic Machining
1 - Question
Which of the following is an unconventional process of machining?
a) Milling
b) USM
c) Drilling
d) None of the mentioned
View Answer
Explanation: USM stands for ultrasonic machining process and it is an unconventional process of machining
2 - Question
Ultrasonic machining process can be used for
a) Conductors
b) Insulators
c) Metals
d) All of the mentioned
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Explanation: Ultrasonic machining is more versatile and can be used for the metal as well as non metal.
3 - Question
Which of the following is a conventional process of machining?
a) Electro chemical machining
b) Electron beam machining
c) Ultrasonic machining
d) None of the mentioned
View Answer
Explanation: All of the mentioned are unconventional process of machining.
4 - Question
For machining of plastic material which of the unconventional process can be used effectively?
a) Electro chemical machining
b) Electron beam machining
c) Ultrasonic machining
d) None of the mentioned
View Answer
Explanation: Ultrasonic machining is more versatile and can be used for the metal as well as non metal.
5 - Question
Material removal rate in USM increases with
a) Decrease in volume of work material per impact
b) Increase in volume of work material per impact
c) Decrease in frequency
d) Decrease in number of particle making impact per cycle
View Answer
Explanation: Material removal rate in USM is proportional to the volume of work material per impact.
6 - Question
Material removal rate in USM increases with
a) Decrease in volume of work material per impact
b) Decrease in volume of work material per impact
c) Decrease in frequency
d) Increase in number of particle making impact per cycle
View Answer
Explanation: Material removal rate in USM is proportional to the number of particle making impact per cycle.
7 - Question
Material removal rate in USM increases with
a) Decrease in volume of work material per impact
b) Decrease in volume of work material per impact
c) Increases in frequency
d) Decreases in the number of particle making impact per cycle
View Answer
Explanation: Material removal rate in Ultrasonic machining is proportional to frequency.
8 - Question
Element of machine which is used to convert high frequency electrical impulse into mechanical vibration in USM is known as
a) Tool
b) Feeding unit
c) Transducer
d) None of the mentioned
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Explanation: Transducer is a device which is used to convert one form of energy to other.
9 - Question
Which of the following elements of USM is used to apply working force during machining operation?
a) Tool
b) Feeding unit
c) Transducer
d) None of the mentioned
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Explanation: Feeding unit is used to apply working force during a machining operation.
10 - Question
Material removal rate in USM increases with
a) Decrease in amplitude
b) Decrease in grain size of abrasives
c) Decrease in frequency
d) Increase in amplitude
View Answer
Explanation: Material removal rate in ultrasonic machining is proportional to amplitude.