Non-Conventional Machining - Ultrasonic Machining

In non-conventional machining

• no contact between tool and workpiece

• material removal takes place in hardened workpiece also

• minimum burr is created

• complex shape can be machined

• All the above are true

Ultrasonic machining is a ____________

• Conventional machining method

• Non-conventional machining method

• method used to machine soft materials

• All of the above

Ultrasonic machining is suitable for machining

• Electrically conducting materials

• Electrically non-conducting materials

• Hard and brittle materials

• All the above

Full form of USM is ____

• Ultrasound machining

• Ultrasonic machining

• Upper sonic machining

• Upper sound machining

Ultrasonic machining is a kind of _________method

• grinding

• milling

• forming

• shaping

Abrasive slurry is __________

• mixture of abrasives and hard particles

• mixture of abrasives and water

• abrasives and grinding dust

• All the above

In USM the tool vibrates at ___________

• above ultrasonic frequency

• below ultrasonic frequency

• Both of the above

• None of the above

In USM the frequency of the tool is in the range of _____

• 19 - 25 kHz

• Less than 16 kHz

• 10000 Hz

• None of the above

Transducer is a device which converts ______________

• linear motion into rotary motion

• rotary motion into linear motion

• electrical energy into mechanical energy

• mechanical energy into electrical energy

Piezo-electric effect is found on materials like

• ceramics

• quartz

• nickel and nickel alloys

• copper and its alloys