MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Foundation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The base course in rigid pavement provides drainage. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
During the clear, cool night followed by a hot sunny day, the edges and corners of slab will ____________ |
| A. | wrap downward |
| B. | wrap upward |
| C. | wrap upwards and downwards |
| D. | wrap laterally |
| Answer» E. | |
| 3. |
The critical stress condition in slab occurs when __________ |
| A. | corners remain unwrapped |
| B. | corners are wrapped upward |
| C. | corners are wrapped downward |
| D. | corners are wrapped laterally |
| Answer» C. corners are wrapped downward | |
| 4. |
The critical stress condition in slab is when _________ |
| A. | temperature and load stresses are multiplicative |
| B. | temperature and load stresses are additive |
| C. | temperature and load stresses oppose each other |
| D. | critical stress condition does not occur in slab |
| Answer» B. temperature and load stresses are additive | |
| 5. |
During contraction, _________ are induced in the under-side of the slab. |
| A. | tensile stress |
| B. | shearing stress |
| C. | compressive stress |
| D. | bulk stress |
| Answer» D. bulk stress | |
| 6. |
During expansion the under-side of the slab is subjected to _________ |
| A. | tensile stress |
| B. | shearing stress |
| C. | compressive stress |
| D. | bulk stress |
| Answer» B. shearing stress | |
| 7. |
If there is no friction between the slab and the sub-grade, then there are ______ in slab. |
| A. | no stresses |
| B. | small number of stresses |
| C. | large number of stresses |
| D. | temperature gradients |
| Answer» B. small number of stresses | |
| 8. |
In a day, the top surface of rigid pavement ______ than the bottom of slab. |
| A. | expands |
| B. | contracts |
| C. | remains stable |
| D. | shows no changes |
| Answer» B. contracts | |
| 9. |
The temperature in general at the bottom of the slab is __________ |
| A. | constant |
| B. | variant |
| C. | constant during the days only |
| D. | constant during the nights only |
| Answer» E. | |
| 10. |
The stresses in rigid pavement are due to ________ |
| A. | restrained temperature only |
| B. | external loads only |
| C. | frost action only |
| D. | restrained temperature, external loads and frost action |
| Answer» E. | |
| 11. |
A base course enables the construction to proceed during wet weather on clays and silts. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
If P is the vertical relation and ρ is the vertical deflection, then the modulus of sub-grade reaction is _______ |
| A. | \(k_s=\frac{P}{ρ}\) |
| B. | \(k_s=\frac{1}{P}\) |
| C. | \(k_s=\frac{ρ}{P}\) |
| D. | \(k_s=\frac{P}{2ρ}\) |
| Answer» B. \(k_s=\frac{1}{P}\) | |
| 13. |
The radius of relative stiffness is given by the characteristic equation of _______ |
| A. | \(l=\{\frac{eh^3}{12(1-μ^2 ) k_s}\}^\frac{1}{4}\) |
| B. | \(l=\{\frac{eh^3}{12(1-μ^4 ) k_s}\}^\frac{1}{4}\) |
| C. | \(l=\{\frac{eh^3}{12(1-μ^2 ) k_s}\}^\frac{1}{2}\) |
| D. | \(l=\{\frac{eh^3}{12(1-μ^2 ) k_s}\}^\frac{1}{3}\) |
| Answer» B. \(l=\{\frac{eh^3}{12(1-μ^4 ) k_s}\}^\frac{1}{4}\) | |
| 14. |
When load is applied on rigid pavement, it deforms in a _______ |
| A. | bottle shape |
| B. | saucer shape |
| C. | rectangular shape |
| D. | square shape |
| Answer» C. rectangular shape | |
| 15. |
A base under rigid pavements is used for the ___________ |
| A. | preservation of pumping of fine grained soils |
| B. | pumping of fine grained soils |
| C. | surface coating |
| D. | finishingView Answer |
| Answer» B. pumping of fine grained soils | |