Question

Match the processes with their characteristics

Process	Characteristics
P. Electrical Discharge Machining	1. No residual stress
Q. Ultrasonic machining	2. Machining of electrically conductive materials
R. Chemical machining	3. Machining of glass
S. Ion Beam Machining	4. Nano-machining

• A. P-2, Q-3, R-1, S-4
• B. P-3, Q-2, R-1, S-4
• C. P-3, Q-2, R-4, S-1
• D. P-2, Q-4, R-3, S-1

Answer 1

The correct option is A P-2, Q-3, R-1, S-4

Process	Characteristics
P. Electrical Discharge Machining	2. Machining of electrically conductive materials
Q. Ultrasonic machining	3. Machining of glass
R. Chemical machining	1. No residual stress
S. Ion Beam Machining	4. Nano-machining