28 + Mcqs in Manufacturing Processes Page 1 McqOptions

1.	Which one of the following metals has the lowest density:
A.	copper
B.	aluminum
C.	tin
D.	magnesium
Answer» E.

Discussion

2.	Steel is a good material for the wrecking ball used to demolish old buildings because ofits
A.	low elasticity
B.	high density
C.	low fatigue
D.	high coefficient of linear thermal expansion
Answer» C. low fatigue

Discussion

3.	Rapid prototyping costs about the same, but takes less time than traditional prototyping.
A.	1
B.
Answer» C.

Discussion

4.	Topographic shell fabrication is typically used to mold rapid prototypes of small-scale parts.
A.	1
B.
Answer» C.

Discussion

5.	Solid ground curing systems are the most common rapid prototyping systems.
A.	1
B.
Answer» C.

Discussion

6.	Using computer-aided engineering, designs can be optimized and modified.
A.	1
B.
Answer» B.

Discussion

7.	Selective laser sintering apparatus uses laser-hardened resins to form models.
A.	1
B.
Answer» C.

Discussion

8.	Manufacturing generally does not add value.
A.	1
B.
Answer» C.

Discussion

9.	Design for assembly is not an important part of manufacturing because assembly operations contribute little to product cost.
A.	1
B.
Answer» C.

Discussion

10.	Tests of prototypes should simulate the conditions under which the product is to be used.
A.	1
B.
Answer» B.

Discussion

11.	Manufacturing involves making products from raw materials.
A.	1
B.
Answer» B.

Discussion

12.	Direct shell production casting is used in directly creating molds for metal casting.
A.	1
B.
Answer» B.

Discussion

13.	In the design process for a product, it is not necessary that the designer know the functions and performance expected of that product.
A.	1
B.
Answer» C.

Discussion

14.	Concurrent engineering involves all disciplines in the early design stages.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

15.	Nanotechnology and nanofabrication are terms used to describe extremely large-scale operations.
A.	1
B.
Answer» C.

Discussion

16.	Fused deposition modeling systems use molten plastic deposited in layers corresponding to cross sections on the part.
A.	1
B.
Answer» B.

Discussion

17.	Recycling or proper disposal of a product has become increasingly important to the design process.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

18.	This is a solid shape that fits inside the mold and forms a hole in a cooled cast metal or molten plastic object:
A.	Core
B.	Cavity
C.	Prototype
D.	Hole mold
Answer» B. Cavity

Discussion

19.	Computer-aided manufacturing typically involves all phases of manufacturing.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

20.	Cost and availability of raw and processed materials and manufactured components are major concerns in manufacturing.
A.	1
B.
Answer» B.

Discussion

21.	Laminated object manufacturing produces solid parts from sheets of material such as paper or vinyl.
A.	1
B.
Answer» B.

Discussion

22.	This process recognizes the inherent interrelationships between design and manufacturing:
A.	Design for manufacture
B.	Design for manufacture and assembly
C.	Design for concurrent engineering
D.	Design for assembly
Answer» C. Design for concurrent engineering

Discussion

23.	Manufacturing may produce these types of products:
A.	Discrete or continuous
B.	Raw material or parts
C.	Machinery or manufactured
D.	Processes or operations
Answer» B. Raw material or parts

Discussion

24.	This type of rapid prototyping system uses a laser to fuse powdered metals, plastics, or ceramics:
A.	Fused deposition modeling
B.	Stereolithography apparatus
C.	Solid ground curing
D.	Selective laser sintering
Answer» E.

Discussion

25.	In net-shape manufacturing, the part is made as close to the final specifications as possible to cut down on the cost of finishing operations.
A.	1
B.
C.	1
D.
Answer» B.

Discussion

26.	This allows the performance of structures to be analyzed and tested efficiently, accurately, and quickly:
A.	Computer-aided manufacturing
B.	Computer-aided design
C.	Computer-aided engineering
D.	Computer-aided prototyping
Answer» D. Computer-aided prototyping

Discussion

27.	Approximately this much of the cost of product development and manufacture is determined at the design stage:
A.	40-50%
B.	60-75%
C.	70-80%
D.	75-85%
Answer» D. 75-85%

Discussion

28.	This allows the designer to conceptualize objects more easily without having to make costly illustrations, models, or prototypes:
A.	Computer-aided manufacturing
B.	Computer-aided design
C.	Computer-aided engineering
D.	Computer-aided prototyping
Answer» C. Computer-aided engineering

Discussion

Explore topic-wise MCQs in Technical Drawing.

Which one of the following metals has the lowest density:

Steel is a good material for the wrecking ball used to demolish old buildings because ofits

Rapid prototyping costs about the same, but takes less time than traditional prototyping.

Topographic shell fabrication is typically used to mold rapid prototypes of small-scale parts.

Solid ground curing systems are the most common rapid prototyping systems.

Using computer-aided engineering, designs can be optimized and modified.

Selective laser sintering apparatus uses laser-hardened resins to form models.

Manufacturing generally does not add value.

Design for assembly is not an important part of manufacturing because assembly operations contribute little to product cost.

Tests of prototypes should simulate the conditions under which the product is to be used.

Manufacturing involves making products from raw materials.

Direct shell production casting is used in directly creating molds for metal casting.

In the design process for a product, it is not necessary that the designer know the functions and performance expected of that product.

Concurrent engineering involves all disciplines in the early design stages.

Nanotechnology and nanofabrication are terms used to describe extremely large-scale operations.

Fused deposition modeling systems use molten plastic deposited in layers corresponding to cross sections on the part.

Recycling or proper disposal of a product has become increasingly important to the design process.

This is a solid shape that fits inside the mold and forms a hole in a cooled cast metal or molten plastic object:

Computer-aided manufacturing typically involves all phases of manufacturing.

Cost and availability of raw and processed materials and manufactured components are major concerns in manufacturing.

Laminated object manufacturing produces solid parts from sheets of material such as paper or vinyl.

This process recognizes the inherent interrelationships between design and manufacturing:

Manufacturing may produce these types of products:

This type of rapid prototyping system uses a laser to fuse powdered metals, plastics, or ceramics:

In net-shape manufacturing, the part is made as close to the final specifications as possible to cut down on the cost of finishing operations.

This allows the performance of structures to be analyzed and tested efficiently, accurately, and quickly:

Approximately this much of the cost of product development and manufacture is determined at the design stage:

This allows the designer to conceptualize objects more easily without having to make costly illustrations, models, or prototypes: