Related Questions

Largest application of laser welding is in __________ welding.
A Microspot
B Under water
C Precious metals
D Heavy structure
In backhand welding, the angle between the welding rod and the work is ________ as compared to forehand welding.
A Same
B Less
C More
D None of these
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
A Same
B Less
C More
D None of these
If the flame of the welding torch is directed towards the progress of welding, then what will you call the welding technique?
A Forehand welding
B Flux cored ARC welding
C Electro slag welding
D Pulsed spray welding
In DC arc welding, if leads are arranged in work as Negative pole of the welding arc and electrode as Positive pole of the welding arc, the arrangement is known as
A Fusion
B Reverse polarity
C Forward welding
D Direct polarity
What type of fusion welding process is used for welding sheet metals of all engineering metals (except Cu, Ag) in automobile and air craft industries, pipe and tubing production?
A Thermit welding
B Electroslag welding
C Resistance welding
D Submerged arc Welding
A contractor employed 30 men to do a piece of work in 38 days. After 25 days , he employed 5 men more and the work was finished one day earlier. How many days he would have been behind, if he had not employed additional men?
A 1
B 114
C 134
D 112
Which of the following laser types is used in a laser printer?
A Dye laser
B Semiconductor laser
C Excimer laser
D Gas laser
The type of water filter normally employed/ preferred for treating small quantities of water in railway stations and individual industries is the __________ filter.
A Rapid sand
B Pressure
C Gravity
D Slow sand
In TIG arc welding, the welding zone is shielded by an atmosphere of
A Helium gas
B Argon gas
C Either (A) or (B)
D None of these

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