Advanced Manufacturing Processes (3161922) MCQs

MCQs of Glass Science

Showing 1 to 10 out of 47 Questions
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1.

An example of amorphous material is

(a)

zinc
(b)

lead
(c)

glass
(d)

silver
Answer:

Option (c)

2.

Glass is a mixture of

(a)

non-metallic silicates
(b)

metallic silicates
(c)

metallic acetates
(d)

non-metallic acetates
Answer:

Option (b)

3.

Glass is not a single compound.

(a)

True
(b)

False
Answer:

Option (a)

4.

The primary difference between a ceramic and glass is based on its ___________ .

(a)

solubility
(b)

crystallinity
(c)

conductivity
(d)

permeability
Answer:

Option (b)

5.

Which of the following is not a type of glass?

(a)

Potash-lime glass
(b)

Soda-lime glass
(c)

Cobalt-lead glass
(d)

Soda-lead glass
Answer:

Option (c)

6.

Which of the following type of glass accounts for about 90% of manufacturing glass?

(a)

Potash-lime glass
(b)

Soda-lime glass
(c)

Potash-lead glass
(d)

Soda-lead glass
Answer:

Option (b)

7.

How does the addition of magnesia and alumina affect soda-lime glass?

(a)

Enhances mechanical strength
(b)

Reduces porosity
(c)

Increases softening temperature
(d)

Improves chemical durability
Answer:

Option (d)

8.

What is 96% silica glass used for?

(a)

Heatshield
(b)

Combustion tubes
(c)

Electronic tubes
(d)

Temperature thermometers
Answer:

Option (a)

9.

How much SiO2 does Pyrex contain?

(a)

70.3%
(b)

73%
(c)

80.5%
(d)

91%
Answer:

Option (c)

10.

What is the maximum service temperature of aluminosilicate glass?

(a)

220oC
(b)

460oC
(c)

650oC
(d)

1200oC
Answer:

Option (c)

Showing 1 to 10 out of 47 Questions
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