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Joining Questions Set 14:

Quiz Mode

Which of the following elements is not used in alloy steels?

Nickel

Sodium

Molybdenum

Chromium

Solution:

What is the maximum thickness that can be welded using ultrasonic welding?

2.3 mm

1.8 mm

2.5 mm

2.1 mm

Solution:

Which of the following gases is usually used as a fuel in gas welding?

Methane

Acetylene

Biogas

Hydrogen

Solution:

Which of the following brazing processes is best suited for mass-scale joining?

Dip

Torch

Induction

Furnace

Solution:

Aluminium is difficult to friction weld because of its _____

ductility

softness

micro porosity

heat reflectivity

Solution:

Which gas mixture is generally used in gas welding?

Oxygen-Acetylene

Oxygen-Hydrogen

Oxygen-Acetylene

None of the above

Solution:

Which welding process allows the highest depth of fusion with less width?

Plasma arc welding

Ultrasonic welding

Electron beam welding

Friction welding

Solution:

What is the purpose of a gas welding flux?

Lower the melting point of the oxide

Remove elements from parent metal

Lower the melting point of the metal

Remove oxides from the surface of the metal

Solution:

Thick steel plate cut with oxygen normally shows signs of cracking. This tendency of cracking can be minimized by

slow speed cutting

cutting in two or more stages

preheating the plate

using oxyacetylene flame

Solution:

Which of the following processes can be used as an alternative technique for joining aluminum and its alloys?

Tungsten inert-gas welding

Metal inert-gas welding

Friction stir welding

Oxy-Acetylene flame technique

Joining Questions Set 14:

Which of the following elements is not used in alloy steels?

Solution:

What is the maximum thickness that can be welded using ultrasonic welding?

Solution:

Which of the following gases is usually used as a fuel in gas welding?

Solution:

Which of the following brazing processes is best suited for mass-scale joining?

Solution:

Aluminium is difficult to friction weld because of its _____

Solution:

Which gas mixture is generally used in gas welding?

Solution:

Which welding process allows the highest depth of fusion with less width?

Solution:

What is the purpose of a gas welding flux?

Solution:

Thick steel plate cut with oxygen normally shows signs of cracking. This tendency of cracking can be minimized by

Solution:

Which of the following processes can be used as an alternative technique for joining aluminum and its alloys?

Solution:

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