Explore topic-wise MCQs in Concrete Technology.

This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Concrete Technology knowledge and support exam preparation. Choose a topic below to get started.

1.

Referring to the graph below, what is the approximate value of strength of 50mm cube in MPa for gel-space ratio .8?

A. 20
B. 40
C. 60
D. 80
Answer» E.
2.

According to figure, what is the approximate value of strength of 50mm cube in MPa for gel-space ratio .6?

A. 20
B. 40
C. 60
D. 80
Answer» C. 60
3.

Gel/Space ratio = x = Volume of gel / Space available = 0.657 C / 0.319 C+ Wo. Here Wo stands for?

A. Weight of cement in kg
B. Weight of cement in g
C. Volume of gel
D. Volume of mixing water in ml
Answer» E.
4.

What does x3 in power’s experiment stands for?

A. Gel space ratio
B. Water cement ratio
C. Intrinsic strength of gel
D. Extrinsic strength of gel
Answer» B. Water cement ratio
5.

What does 240 in power’s experiment stand for?

A. Gel space ratio
B. Water cement ratio
C. Intrinsic strength of gel
D. Extrinsic strength of gel
Answer» D. Extrinsic strength of gel
6.

Power showed that the strength of concrete bears a specific relationship with the gel/space ratio. He found the relationship to be __________

A. 240x3
B. 140x3
C. 240x2
D. 140x2
Answer» B. 140x3
7.

ACCORDING_TO_FIG._WHAT_IS_THE_APPROX._VALUE_OF_STRENGTH_OF_50MM_CUBE_IN_MPA_FOR_GEL-SPACE_RATIO_.6??$

A. 20
B. 40
C. 60
D. 80
Answer» C. 60
8.

Gel/Space ratio = x = Volume of gel / Space available = 0.657 C / 0.319 C+ Wo. Here C stands for?

A. Weight of cement in kg
B. Weight of cement in g
C. Volume of gel
D. Volume of mixing water in ml
Answer» C. Volume of gel
9.

What unit is present with the 240?

A. Pa
B. MPa
C. GPa
D. KPa
Answer» C. GPa
10.

What does x3 in power’s experiment stands for?$

A. Gel space ratio
B. Water cement ratio
C. Intrinsic strength of gel
D. Extrinsic strength of gel
Answer» B. Water cement ratio
11.

What does 240 in power’s experiment stands for?$

A. Gel space ratio
B. Water cement ratio
C. Intrinsic strength of gel
D. Extrinsic strength of gel
Answer» D. Extrinsic strength of gel
12.

Power showed that the strength of concrete bears a specific relationship with the gel/space ratio. He found the relationship to be __________

A. 240x<sup>3</sup>
B. 140x<sup>3</sup>
C. 240x<sup>2</sup>
D. 140x<sup>2</sup>
Answer» B. 140x<sup>3</sup>
13.

Who has established the relation between the strength and gel/space ratio?

A. Abrams
B. Power
C. Brownyard
D. Power and Brownyard
Answer» E.
14.

What is the gel/space ratio?

A. Volume of water to the volume of cement
B. Volume of the hydrated cement paste to the sum of volumes of the hydrated cement
C. Volume of the hydrated cement paste to the sum of volumes of the hydrated cement and of the capillary pores
D. Volume of gel to the volume of space present in concrete
Answer» D. Volume of gel to the volume of space present in concrete