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Forming Questions Set 1:

Quiz Mode

For successful metal extrusion, the metal should be what?

Ductile

Malleable

Plastic

Tough

Solution:

To roll very thin strips of mild steel, the rolls should have:

Large diameter

Small diameter

High speed

No lubricant

Solution:

Which of the following manufacturing processes can be used to produce seamless tubes?

Cold rolling

Piercing

Plug rolling

Forging

Solution:

Thread rolling is typically restricted to which type of materials?

Ferrous materials

Ductile materials

Hard materials

None of the above

Solution:

Which one of the following is an advantage of forging?

Good surface finish

Low tooling cost

Close tolerance

Improved physical properties

Solution:

Which of the following is a major problem in hot extrusion?

Wear of the punch

Design of the die

Design of the punch

Wear and tear of the die

Solution:

Mechanical properties of hot worked materials are improved because

recrystallization

recovery of grains

grain growth

refinement of grain size

Solution:

The thickness of the blank needed to produce, by power spinning a missile cone of thickness 1.5 mm and half cone angle 30°

3.0 mm

2.5 mm

2.0 mm

1.5 mm

Solution:

The improper application of the holding force can cause:

flange wrinkling

wall wrinkling if it is too small

tearing if it is overestimated

all of the above

Solution:

When a metal is being processed, how are the width and the length of the workpiece related to each other?

Direct relation

Exponential relation

Inverse relation

No relation

Forming Questions Set 1:

For successful metal extrusion, the metal should be what?

Solution:

To roll very thin strips of mild steel, the rolls should have:

Solution:

Which of the following manufacturing processes can be used to produce seamless tubes?

Solution:

Thread rolling is typically restricted to which type of materials?

Solution:

Which one of the following is an advantage of forging?

Solution:

Which of the following is a major problem in hot extrusion?

Solution:

Mechanical properties of hot worked materials are improved because

Solution:

The thickness of the blank needed to produce, by power spinning a missile cone of thickness 1.5 mm and half cone angle 30°

Solution:

The improper application of the holding force can cause:

Solution:

When a metal is being processed, how are the width and the length of the workpiece related to each other?

Solution:

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