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

Both A and R are true and R is the correct explanation of A

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

Assertion (A): In electron beam welding process, vacuum is an essentia

1.	Assertion (A): In electron beam welding process, vacuum is an essential process parameter. Reason (R): Vacuum provides a highly efficient shield on 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» C. A is true but R is false

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

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