NCM Unit-1 Test New

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

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

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