Explore topic-wise MCQs in Manufacturing Engineering Questions & Answers Expendable Mold Permanent Pattern Processes.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Engineering Questions & Answers Expendable Mold Permanent Pattern Processes knowledge and support exam preparation. Choose a topic below to get started.

1.

The surface finish in a plaster-molding process is?

A. rough
B. good
C. slippery
D. bad
Answer» C. slippery
2.

Typical parts such as impellers, cutters for machining operations are made by?

A. plaster-molding process
B. ceramic-mold casting process
C. shell-molding
D. metallic-mold casting process
Answer» C. shell-molding
3.

Along with plaster of paris, with the addition of tale, which of the following is added in the plaster-molding process?

A. copper
B. iron
C. silica
D. calcium
Answer» D. calcium
4.

Shell-molding applications include ____________

A. small mechanical parts requiring high precision
B. such as gear housings
C. cylinder heads
D. all of the mentioned
Answer» E.
5.

In which of the following technique, the pattern is covered tightly with a thin sheet of plastic?

A. vacuum molding
B. impact molding
C. blow molding
D. rotational molding
Answer» B. impact molding
6.

In which of the following technique, sand is compacted by a controlled explosion or instantaneous release of compressed gases?

A. vacuum molding
B. impact molding
C. blow molding
D. rotational molding
Answer» C. blow molding
7.

Which of the following fill the flask uniformly with sand under a high-pressure stream?

A. Sandslingers
B. Patterns
C. Cores
D. Chills
Answer» B. Patterns
8.

Which of the following are used to mold the sand mixture into shape of the casting and may be made of wood, plastic, metal?

A. Vents
B. Patterns
C. Cores
D. Chills
Answer» C. Cores
9.

Sand casting consists of __________

A. placing a pattern in sand to make an imprint
B. incorporating a gating system
C. removing the pattern and filling the mold cavity with molten metal
D. all of the mentioned
Answer» E.
10.

Applications of sand casting include __________

A. machine bases
B. large turbine impellers
C. propellers
D. automobile gears
Answer» E.