Engineering :: Concrete Technology
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1. |
The practical utility of concrete technology for civil engineers is to |
A. |
enable them to know how to stock properly the materials required for concrete |
B. |
enable them to perform different tests concerning concrete |
C. |
make them conversant with fundamental principles of concrete |
D. |
all of the above |
Answer: Option D
Explanation:
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2. |
The strength and durability of concrete depends upon |
A. |
size of aggregates |
B. |
grading of aggregates |
C. |
moisture contents of aggregates |
D. |
all of these |
Answer: Option D
Explanation:
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3. |
The breaking up of cohesion in a mass of concrete is called |
A. |
workability |
B. |
bleeding |
C. |
segregation |
D. |
creep |
Answer: Option C
Explanation:
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4. |
The workability of concrete is defined as the |
A. |
ease with which it can be mixed, transported and placed in position in a homogeneous state |
B. |
breaking up of cohesion in a mass of concrete |
C. |
separation of water or water-cement mixture from the freshly mixed concrete |
D. |
none of the above |
Answer: Option A
Explanation:
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5. |
The separation of water or water-cement mixture from the freshly mixed concrete is known as bleeding. |
Answer: Option A
Explanation:
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6. |
The continuous strain, which the concrete undergoes due to application of external loads, is called |
A. |
workability |
B. |
bleeding |
C. |
segregation |
D. |
creep |
Answer: Option D
Explanation:
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7. |
A good concrete should be subjected to |
Answer: Option B
Explanation:
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8. |
Segregation in concrete results in |
A. |
honey combing |
B. |
porous layers |
C. |
surface scaling |
D. |
all of these |
Answer: Option D
Explanation:
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9. |
Harshness in concrete is due to the excess of |
A. |
water |
B. |
finer particles |
C. |
middle sized particle |
D. |
coarser particles |
Answer: Option C
Explanation:
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10. |
In order to avoid segregation, the concrete should not be thrown from a height. |
Answer: Option A
Explanation:
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