@⇒ Electric Welding ⇒ Electrical Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	Electric arc welding process produces temperature upto
A.	1000°C [Wrong Answer]
B.	1500°C [Wrong Answer]
C.	3500°C [Wrong Answer]
D.	5550°C [Correct Answer]
View Answer 21 -17 Explanation:- Answer : D Discuss it below : Click here for more comments


Q2.	Air craft body is
A.	spot welded [Wrong Answer]
B.	gas welded [Wrong Answer]
C.	seam welded [Wrong Answer]
D.	riveted [Correct Answer]
View Answer 13 -6 Explanation:- Answer : D Discuss it below : Click here for more comments


Q3.	In D.C. arc welding
A.	electrode is made positive and work- piece negative [Wrong Answer]
B.	electrode is made negative and workpiece positive [Correct Answer]
C.	both electrode as well as workpiece are made positive [Wrong Answer]
D.	both electrode as well as workpiece are made negative [Wrong Answer]
View Answer 19 -10 Explanation:- Answer : B Discuss it below : Click here for more comments


Q4.	During spot welding the current flows for
A.	fraction of a minute to several minutes [Wrong Answer]
B.	fraction of a second to several seconds [Correct Answer]
C.	few milliseconds [Wrong Answer]
D.	few microseconds [Wrong Answer]
View Answer 15 -5 Explanation:- Answer : B Discuss it below : Click here for more comments


Q5.	A rectifier for welding has voltage/current characteristic as
A.	static [Wrong Answer]
B.	variable [Wrong Answer]
C.	drooping [Correct Answer]
D.	rising [Wrong Answer]
View Answer 16 -6 Explanation:- Answer : C Discuss it below : Click here for more comments

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