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Civil Engineering : Concrete Technology - Quiz(MCQ)
For hydrated Portland cement, the coefficient of thermal expansion lies between approximately ________
A)
5.4 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C
B)
5.4 * 10⁻⁶ and 10.8 * 10⁻⁶ per °C
C)
10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C
D)
10.8 * 10⁻⁶ and 12.6 * 10⁻⁶ per °C

Correct Answer :   10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C

Explanation : The coefficient of thermal expansion for hydrated Portland cement lies between approximately 10.8 * 10⁻⁶ and 16.2 * 10⁻⁶ per °C.

Recently Updated in Concrete Technology Questions
Which of the following compound is used for fine polishing?
A)
Nitric oxide
B)
Iron oxide
C)
Silicon carbide
D)
Aluminum oxide

Correct Answer : Option (D) :   Aluminum oxide

Explanation : Powder form of aluminum oxide is used for fine polishing process. It is surface treatment process.

Maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by __________
A)
IS 456-2010
B)
IS 456-2000
C)
IS 465-2000
D)
IS 513-1999

Correct Answer : Option (B) :   IS 456-2000

Explanation : Option can be eliminated because there is no such code. Maximum nominal size of aggregates to be used in concrete may be as large as possible within the limits prescribed by IS 456:2000.

Air contents should be _________ % by volume.
A)
1-2
B)
2-3
C)
3-4
D)
4-5

Correct Answer : Option (C) :   3-4

Explanation : This type of cement was first of all developed in U.S.A. It is recommended that air contents should be 03-04 % by volume.

Civil Engineering MCQ's

Building Materials
Building Construction
Surveying
Concrete Technology
Soil Mechanics
Applied Mechanics
Strength of Materials
Hydraulics
RCC Structures Design
Steel Structure Design
Irrigation
Highway Engineering
Railways
Airport Engineering
SI Units
Theory of Structures
Tunneling
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