Question

Assertion (A): In the electron beam welding process, vacuum is an essential process parameter.
Reason (R): Vacuum provides a highly efficient shield on the weld zone.

• A. Both A and R are true and R is the correct explanation of A
• B. Both A and R are true but R is not a correct explanation of A
• C. A is true but R is false
• D. A is false but R is true

Answer 1

The correct option is B Both A and R are true but R is not a correct explanation of A

Both A and R are true but R is not a correct explanation of A