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This section includes 9 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. |
Coefficient of thermal expansion of concrete is ________ coefficient of thermal expansion in aggregates. |
A. | Directly proportional |
B. | Inversely proportional |
C. | Equal |
D. | More than |
Answer» B. Inversely proportional | |
2. |
Static modulus of elasticity of concrete has been related to its ___________ |
A. | Tensile strength |
B. | Compressive strength |
C. | External strength |
D. | Applied force |
Answer» C. External strength | |
3. |
The rate of creep generally _________ with the _________ of the size of aggregates. |
A. | Increase, increase |
B. | Decrease, decease |
C. | Increase, decrease |
D. | 2.5, 12mm |
Answer» D. 2.5, 12mm | |
4. |
Aggregates with moisture movement and _________ elastic modulus cause a _________ amount of creep. |
A. | High, higher |
B. | Low, lower |
C. | High, lower |
D. | Low, higher |
Answer» E. | |
5. |
The rate of creep rapidly ________ with time. |
A. | Increase |
B. | Decrease |
C. | Doesn t affect |
D. | Depends on the temperature |
Answer» C. Doesn t affect | |
6. |
Creep is _________ to the strength of concrete. |
A. | Equal |
B. | Similar |
C. | Directly proportional |
D. | Inversely proportional |
Answer» E. | |
7. |
A ________ paste structure undergoes ________ creep. |
A. | Good, high |
B. | Poor, high |
C. | Good, average |
D. | Poor, low |
Answer» C. Good, average | |
8. |
The _________ the modulus of elasticity the _________ is the creep. |
A. | Higher, more |
B. | Lower, more |
C. | Higher, less |
D. | Lower, less |
Answer» D. Lower, less | |
9. |
The __________ the aggregate, the ________ is the magnitude of creep. |
A. | Stronger, more |
B. | Weaker, more |
C. | Stronger, less |
D. | Weaker, less |
Answer» D. Weaker, less | |