1 and 16000 Hz in Electron beam machining. – McqOptions

MCQOPTIONS

1.	1 and 16000 Hz in Electron beam machining.
A.	± 10 %
B.	± 20 % c) ± 30 % d) ± 40 %
Answer» B. ± 20 % c) ± 30 % d) ± 40 %

Discussion

No Comment Found

Related MCQs

State whether the following statement is true or false about Magnetic abrasive finishing. “Mirror finishing, removed burrs with lowering the accuracy of the shape are achieved by MAF.”
State whether the following statement is true or false about Magnetic abrasive finishing. “Higher rates of material removal are obtained, with an increase in amplitude and frequency.”
State whether the following statement is true or false about magnetic abrasive finishing. “Increasing the magnetic flux density raises the rate of material removal in finishing.”
State whether the following statement is true or false about Magnetic abrasive finishing. “Vibratory motion that is axial, is introduced in the magnetic field by the oscillation of magnetic poles.”
State whether the following statement is true or false regarding the limitations of ECM. “In electrochemical machining, duplicating the tool is easier.”
State whether the following statement is true or false regarding the limitations of ECM. “In ECM, cleaning and oiling of work piece need not be done after machining.”
Compared to other processes, machining is done at voltages for high rates of material removal.
ECM is used to the sharp edges produced after rough cuts.
The cost of additional control hardware remain a fraction of total machining cost.
Machining conditions leading to high accuracy are associated with surface roughness and productivity.