Which of the following welding process can be used to join the ends of two pipes of uniform cross section?

Spot welding

Projection welding

Seam welding

Upset welding

(Length of cut x No. of cuts)/(Feed x r.p.m)

(Feed x r.p.m)/(Length of cut x No. of cuts)

(Lengt of cut x Feed)/(No. of cuts x r.p.m)

(Length of cut x r.p.m)/(Feed x No. of cuts)

1815.20'

1815.30'

1815.40'

1815.50'

0.03, 0.07 mm

0.02, 0.03 mm

0.02, 0.02 mm

0.05, 0.05 mm

Interference and transition

Clearance and interference

Transition and clearance

Clearance and transition