Question

Match the following

Group - I	Group - II
P. Arc welding	1. Diffusion
Q. Friction welding	2. Polarity
R. Solid state welding	3. Focusing
S. Laser welding	4. Kinetic energy

Code
$PQRS$

• A. $4132$
• B. $2413$
• C. $3243$
• D. $1243$

Answer 1

The correct option is B $2413$

$2413$