question_answer

Match List-I (Welding problems) with List-II (Causes) and select the correct answer using the codes given below the list:

List-I (Welding problems)		List-II (Causes)
A.	Spatter	1.	Damp electrodes
B.	Distortion	2.	Arc blow
C.	Porosity	3.	Improper cleaning in multipass welding
D.	Poor joint selection	4.	Poor joint selection

Codes:

A) A\[\to \]4, B\[\to \]2, C\[\to \]3, D\[\to \]1

B) A\[\to \]4, B\[\to \]2, C\[\to \]1, D\[\to \]3

C) A\[\to \]2, B\[\to \]4, C\[\to \]1, D\[\to \]3

D) A\[\to \]2, B\[\to \]4, C\[\to \]3, D\[\to \]1