RECF Manufacturing Technology

RECF Manufacturing Technology

12th Grade

•

26 Qs

quiz-placeholder

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RECF Manufacturing Technology

RECF Manufacturing Technology

Assessment

Quiz

•

Engineering

•

12th Grade

•

Practice Problem

•

Hard

Created by

Rodney Morvan

Used 1+ times

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26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which step in plastic injection molding ensures that the molten material fills the mold cavity under pressure?

A. Plastification

B. Packing

C. Demold

D. Ejection

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In sand casting, which step determines the dimensional accuracy of the final part?

Gating system design

Cooling rate

Sand grain size

Pattern removal

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a key advantage of FDM 3D printing over SLS?

Stronger interlayer bonding

Greater dimensional accuracy

Lower operating temperature

Use of metal powders

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In selective laser sintering (SLS), what role does the laser play?

Trimming excess material

Initiating layer fusion

Heating the build plate

Cleaning the print bed

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CNC milling relies on what type of coordinate movement system for precise part shaping?

Linear

Cartesian

Polar

Spherical

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which material property allows CNC water jet cutting to work on virtually any material?

Hardness

Density

Thermal conductivity

Electrical conductivity

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

CNC plasma cutting is most suitable for which of the following materials?

Plastics

Ceramics

Electrically conductive metals

Composites

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