Glass MCQs : Here you will find MCQ Questions related to "Glass" in Civil Engineering. These Glass MCQ Questions Will help you to improve your Civil Engineering knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations.
Question 1
Glass is a mixture of:
A. Non-metallic silicates
B. Metallic silicates
C. Metallic acetates
D. Non-metallic acetates
View Answer
Ans : B
Explanation: Glass is a mixture of Metallic silicates.
Question 2
Glass is a solidified super-cooled solution of various metallic silicates having infinite viscosity.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
View Answer
Ans : A
Explanation: True, Glass is a solidified super-cooled solution of various metallic silicates having infinite viscosity.
Question 3
How many different categories of glass are there?
A. 1
B. 2
C. 3
D. 4
View Answer
Ans : C
Explanation: For the purpose of classification, glass can be grouped into 3 categories: Soda-lime glass, Potash-lime glass and Potash-lead glass.
Question 4
Soda-lime glass accounts for about _________ of the manufactured glass
A. 0.6
B. 0.7
C. 0.8
D. 0.9
View Answer
Ans : D
Explanation: Soda-lime glass accounts for about 90% of the manufactured glass
Question 5
Glass is a single compound.
A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
View Answer
Ans : B
Explanation: False, It is a not a single compound and it is very difficult to give any particular chemical formula for it.
Question 6
The two types of soda-lime glass- flat glass and container glass differ in:
A. Application and production method
B. Application and chemical composition
C. Production method and chemical composition
D. Application, production method and chemical composition
View Answer
Ans : D
Explanation: They differ in the application (flat glass is used for window panes and container glass for glass containers), production method (float process is used for windows and pressing for containers), chemical composition (flat glass has higher magnesium oxide and sodium oxide than container glass).
Question 7
Which type of glass is used in the manufacture of artificial gems, bulbs, lenses, etc?
A. Soda-lime glass
B. Special glass
C. Potash-lead glass
D. Common glass
View Answer
Ans : C
Explanation: Potash-lead glass is a mixture of potassium silicate and lead silicate. It possesses a bright lustre and has a great refractive power, hence it is used in the manufacture of artificial gems, bulbs, lenses, etc.
Question 8
How many forms of special varieties of glass for commercial purposes?
A. 8
B. 9
C. 10
D. 11
View Answer
Ans : D
Explanation: There are 11 forms of special varieties of glass for commercial purposes. They are sheet glass, plate glass, coloured glass, wired glass, structural glass, laminated glass, bullet-proof glass, fibre glass, foam glass, flint glass and soluble glass.
Question 9
Chromatic glass is used in:
A. ICU
B. meeting rooms
C. floors
D. Both A and B
View Answer
Ans : D
Explanation: It is used in ICU, meeting rooms as it can control the transparent efficiency of glass and protects the interiors from day light.
Question 10
The appearance of potash-lime glass in colour is:
A. Black
B. Green to colourless
C. Reddish brown
D. White
View Answer
Ans : B
Explanation: The potash-lime glass has a greenish colour as a result of high iron content in the sand used to make the glass.