WorksheetsNCM_Unit-1 Test
Total questions: 20
Worksheet time: 23mins
Non-Traditional machining can also be called as?
Contact Machining
Non-contact machining
Partial contact machining
Half contact machining
.Non-Traditional machining is recommended when we need which of the following features?
Complex shapes
High surface quality
Low-rigidity structures
All of the mentioned
In which of the following industries, Non-traditional machining methods play an important role?
Automobile
Aerospace
Medical
All of the mentioned
Different classifications of Non-traditional machining based on source of energy are?
Mechanical
Thermal
Chemical and electro-chemical
All of the mentioned
In mechanical machining, material is removed by
Erosion
Vaporization
Abrasion
Corrosion
Material in thermal machining is removed by which of the following means?
Vaporization
Melting
Electro-plating
All of the mentioned
Which of the following process comes under mechanical machining?
USM
EDM
LBM
PAM
Surface defects that may be occurred during thermal machining are?
Micro cracking
Heat affected zones
Striations
All of the mentioned
Sources used in thermal machining are?
Ions
Plasma
Electrons
All of the mentioned
Vacuum is the machining medium for?
LBM
WJM
EBM
None of the mentioned
In chemical machining is material removal takes by?
Chemical reaction
Erosion
Electron removal
None of the mentioned
What is the reason for using unconventional or advanced machining processes?
Complex surfaces
High accuracy and surface finish
High strength alloys
All of the above
Which of the following process has highest rate of metal removal?
Electric Discharge Machining (EDM)
Electro-Chemical Machining (ECM)
Ultrasonic Machining (USM)
Laser Beam Machining (LBM)
Which of the following is the type of nontraditional machining?
drilling
milling
turning
none of the mentioned
In which type of metal removal process, thermal energy is included?
conventional machining
abrasive Process
nontraditional machining
none of the mentioned
Which of the following is not the type of nontraditional machining?
electrochemical process
chemical machining
mechanical energy process
none of the mentioned
Which of the following process has the lowest rate of metal removal?
Electro discharge machining
Electro chemical machining
Abrasive jet machining
Chemical machining
Electron beam machining
Which of the following is an unconventional process of machining?
Milling
AJM
Drilling
None of the mentioned
For machining of plastic material which of the unconventional process can be used effectively?
Electro chemical machining
Electron beam machining
Abrasive jet machining
None of the mentioned
The selection of non-traditional machining process for a particular application depends on
Process capability
Economics
Shapes to be machined
Physical parameters of the process
All of the above
