Vacuum is the medium of machining in cases of
A) Ultrasonic machining
B) Laser beam machining
C) Plasma arc machining
D) Electro discharge machining
E) Electron beam machining
Correct Answer:
Verified
Q36: In a cupola the raw material is
A)Steel
Q37: Principal materials used in soldering are
A)Tin and
Q38: A 30 mm diameter is being machined
Q39: Out of the following materials which one
Q40: Which of the following is not used
Q42: A job made by forging is
A)Parting off
B)Weaker
Q43: In metal cutting operations shear angle is
Q44: In which of the following machining process
Q45: A shim is
A)A surface on which bearings
Q46: For the measurement of pressure of liquids
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