Question
a.
work is connected to the positive terminal and the electrode holder to the negative terminal
b.
work is connected to the negative terminal and the electrode holder to the positive terminal
c.
work is connected to the positive terminal and the electrode holder is earthed
d.
work is connected to the negative terminal and the electrode holder is earthed
Posted under Mechanical Engineering
Interact with the Community - Share Your Thoughts
Uncertain About the Answer? Seek Clarification Here.
Understand the Explanation? Include it Here.
Q. The welding set up is said to have straight polarity, when
Similar Questions
Explore Relevant Multiple Choice Questions (MCQs)
Q. A moving mandrel is used in
View solution
Q. The most preferred process for casting gas turbine blades is
View solution
Q. The cold chisels are made from
View solution
Q. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
View solution
Q. A ring gauge is used to
View solution
Q. A casting defect which results in general enlargement of a casting is known as
View solution
Q. Rotary swaging
View solution
Q. The upsetting is a process of
View solution
Q. If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.
View solution
Q. Which of the following material can be used for making patterns ?
View solution
Q. The torch used for oxygen cutting is same as for oxy-acetylene welding.
View solution
Q. According to Indian standards, the total number of tolerance grades are
View solution
Q. Which of the following statement is wrong?
View solution
Q. When two metal pieces of different thicknesses are to be welded by projection welding, then the projections should be made on __________ metal piece.
View solution
Q. In fore-hand welding, the angle between the welding rod and the work is kept as
View solution
Q. The minimum size of a bloom is
View solution
Q. The binder commonly used in making oil sand, is
View solution
Q. The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.
View solution
Q. The metal is subjected to mechanical working for
View solution
Q. During hot working of metals
View solution
Recommended Subjects
Are you eager to expand your knowledge beyond Mechanical Engineering? We've handpicked a range of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of various subjects. Happy exploring!
