USM - Dimensional Accuracy and Surface Quality Online Exam Quiz
USM - Dimensional Accuracy and Surface Quality GK Quiz. Question and Answers related to USM - Dimensional Accuracy and Surface Quality. MCQ (Multiple Choice Questions with answers about USM - Dimensional Accuracy and Surface Quality
Amplitude of the oscillation ranges between which of the following values?
Options
A : 0.01 ? 0.04 mm
B : 0.04 ? 0.08 mm
C : 0.08 ? 0.10 mm
D : 0.10 ? 0.20 mm
Conicity resulting after machining by Ultrasonic Machining can be reduced by?
Options
A : Direct injection of slurry
B : Tools having negative taper
C : High static pressure
D : All of the mentioned
If splashing occurs, it will result in an increase of material removal rate in USM.
Options
A : TRUE
B : FALSE
C : -
D : -
In the following USM accuracy levels are limited to which value?
Options
A : ? 0.01 mm
B : ? 0.05 mm
C : ? 0.10 mm
D : ? 0.50 mm
The vibration amplitude determines, which parameter of the abrasive particles?
Options
A : Force
B : Torque
C : Velocity
D : Pressure
Typical roundness error in glass, resulted due to lateral vibrations is between?
Options
A : 01 ?20 ?m
B : 20 ? 40 ?m
C : 40 ? 140 ?m
D : 150 ? 250 ?m
Typical roundness error in graphite, resulted due to lateral vibrations is between?
Options
A : 01 ? 20 ?m
B : 20 ? 60 ?m
C : 60 ? 100 ?m
D : 100 ? 150 ?m
What happens to MRR with increase in tool amplitude?
Options
A : Increases
B : Decreases
C : Remains same
D : None of the mentioned
What is value of surface finish achieved, when we use the abrasive of grit number 240?
Options
A : 0.01 ? 0.08 ?m
B : 0.08 ? 0.13 ?m
C : 0.13 ? 0.25 ?m
D : 0.25 ? 0.38 ?m
When the viscosity of liquid carrier is increased, the surface quality of the parts?
Options
A : Increased
B : Decreased
C : Remained same
D : None of the mentioned
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