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Strength of Concrete

Course: Concrete Technology — Practice MCQs, solutions, formulas & past entrance questions.

Courses › Concrete Technology › Strength of Concrete

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Chapter:

Strength-of-Concrete (Click to view content)

1. What is approximate quantity of water in M5?

60L 45L 34L 85L

60L

The approximate quantity of water in grade M5 is nearly equal to 60 liters.

Hint Answer

2. It is _ strength and _ permeability.

High, high Low, low High, low Low, high

High, low

It is specifically chosen so as to have particularly appropriate properties for expected use of structure such as high strength and low permeability.

Hint Answer

3. Maturity methods provide a _______ simple approach for strength of concrete.

Relatively Technically Absolutely Actually

Relatively

Maturity method provide a relatively simple approach for reliably estimating in-place early age compressive strength of concrete during construction.

Hint Answer

4. What is gel/space ratio?

Volume of water to the volume of cement Volume of the hydrated cement paste to the sum of volumes of the hydrated cement Volume of the hydrated cement paste to the sum of volumes of the hydrated cement and of the capillary pores Volume of gel to the volume of space present in the concrete

Volume of the hydrated cement paste to the sum of volumes of the hydrated cement and of the capillary pores

This ratio is defined as ratio of volume of hydrated cement paste to sum of volumes of hydrated cement and of capillary pores.

Hint Answer

5. What is percentage of water by weight in UHPC?

28.5 4.4 1.2 6.2

4.4

4.4 is percentage of water by weight in UHPC according to typical composition of Ductal.

Hint Answer

6. What is range of water in M10?

34-36L 29-32L 26-30L 21-27L

34-36L

The range of water for M10 (1:3:6) is 34 to 36 liters with a weight of 226kg of cement.

Hint Answer

7. Concrete having 28- days’ compressive strength in range of 60 to 100 MPa.

HPC VHPC OPC HSC

HPC

High Performance Concrete having 28- days? compressive strength in range of 60 to 100 MPa.

Hint Answer

8. Use of HSC in column _______

Decrease the no of steel required in the same column Increase the no of steel required in the same column Decrease the no of steel required in the different column Increase the no of steel required in the different column

Decrease the no of steel required in the same column

Use of HSC in a column, decrease number of steel required in same column.

Hint Answer

9. It quantity and _ cost of sampling and testing.

Increases, Increases Decreases, decreases Increases, Decreases Decreases, Increases

Decreases, decreases

It reduces quantity and cost of sampling and testing by reducing number of cylinders that need to be cast and broken to determine strength.

Hint Answer

10. What unit is present with 240?

Pa MPa GPa KPa

MPa

During Power?s experiment, intrinsic strength of gel was comes out to be 240MPa.

Hint Answer

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All Chapters

View all Chapter and number of question available From each chapter from Concrete-Technology

Cement

Types of Cement and Testing of Cement

Types of Cement and Testing of Cement

Aggregates and Testing of Aggregates

Aggregates and Testing of Aggregates

Water

Admixtures and Construction Chemicals

Admixtures and Construction Chemicals

Fresh Concrete

Strength of Concrete

Strength of Concrete

Elasticity, Creep and Shrinkage

Elasticity, Creep and Shrinkage

Durability of Concrete

Durability of Concrete

Testing of Concrete

Testing of Concrete

Concrete Mix Design

Concrete Mix Design

Quality Control

Quality Control

Special Concrete and Concreting Methods

Special Concrete and Concreting Methods

IS Codes Related to Cement and Concrete

IS Codes Related to Cement and Concrete

Repair Technology for Concrete Structures

Repair Technology for Concrete Structures

Concrete Technology Important Questions

Concrete Technology Important Questions

Topics

This Chapter Strength-of-Concrete consists of the following topics

Strength of Concrete

What is approximate quantity of water in M5?

It is _ strength and _ permeability.

Maturity methods provide a _______ simple approach for strength of concrete.

What is gel/space ratio?

What is percentage of water by weight in UHPC?

What is range of water in M10?

Concrete having 28- days’ compressive strength in range of 60 to 100 MPa.

Use of HSC in column _______

It quantity and _ cost of sampling and testing.

What unit is present with 240?

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