Match the processes with their characteristics. ProcessesCharacteristicsP.

Match the processes with their characteristics.

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

1. P-2, Q-3, R-1, S-4
2. P-3, Q-2, R-1, S-4
3. P-3, Q-2, R-4, S-1
4. P-2, Q-4, R-3, S-1

P-2, Q-3, R-1, S-4