Manufacturing Technology (3151912) MCQs

MCQs of Metal Joining Processes

Showing 91 to 100 out of 137 Questions
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91.

The flux in submerged arc welding is in the form of

(a)

Coating on the electrodes
(b)

Core wires
(c)

Granules
(d)

An inert gas
Answer:

Option (c)

92.

Submerged arc welding uses following type of electrode

(a)

Bare rods
(b)

Coated electrodes
(c)

Core wires
(d)

Copper electrodes
Answer:

Option (a)

93.

In submerged arc welding, an arc is produced between a

(a)

carbon electrode and the work
(b)

metal electrode and the work
(c)

bare metal electrode and the work
(d)

two tungsten electrodes and the work
Answer:

Option (c)

94.

Filler metal is used in

(a)

Electric spot welding
(b)

Projection welding
(c)

Continuous welding
(d)

None of the above
Answer:

Option (d)

95.

The electroslag welding is

(a)

A process which uses a mixture of iron oxide and granular aluminium
(b)

Accomplished by maintaining a hot molten metal pool between plates
(c)

A process in which arc is maintained under a blanket of flux
(d)

There is nothing called electroslag
Answer:

Option (b)

96.

There is nothing called electroslag

(a)

Ability to weld metals of great thickness in a single pass without calling for joint preparation
(b)

Little distortion and good stress distribution across the weld
(c)

Protection from contamination
(d)

All of the above
Answer:

Option (d)

97.

Which of the following welding method uses a pool of molten metal?

(a)

Carbon arc welding
(b)

Submerged arc welding
(c)

TIG arc welding
(d)

MIG arc welding
Answer:

Option (b)

98.

Seam weiding is a

(a)

continuous spot welding process
(b)

multi-spot welding process
(c)

arc welding process
(d)

process used for joining round bars
Answer:

Option (a)

99.

Seam welding is best adopted for metal thickness ranging from

(a)

0.025 to 3 mm
(b)

3 to 5 mm
(c)

5 to 8 mm
(d)

8 to 10 mm
Answer:

Option (a)

100.

Projection welding is a

(a)

continuous spot welding process
(b)

multi-spot welding process
(c)

arc welding process
(d)

process used for joining round bars
Answer:

Option (b)

Showing 91 to 100 out of 137 Questions
7 8 9 10 11 12