 
			 
			MCQOPTIONS
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				This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Pavement Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. | The joint filler in the expansion joint is assumed to be compressed by how much percentage? | 
| A. | 80 % | 
| B. | 75 % | 
| C. | 50 % | 
| D. | 35 % | 
| Answer» D. 35 % | |
| 2. | Find the spacing for contraction joint to be included in an RCC slab in the rigid pavement having the following details.Permissible tensile stress in the reinforcement, SS = 1200 kg/cm2Slab width, b = 4 mThickness of slab, h = 25 cmArea of reinforcement, A = 9.35 m2Coefficient of friction, f = 0.15Unit weight of concrete, W = 2400 kg/m3 | 
| A. | 2.27 m | 
| B. | 2.72 m | 
| C. | 7.72 m | 
| D. | 7.27 m | 
| Answer» E. | |
| 3. | The maximum spacing of contraction joint in a 30 cm thick PCC slab is taken as 5 m. | 
| A. | True | 
| B. | False | 
| Answer» B. False | |
| 4. | For finding the spacing between contraction joints in an RCC slab, it is assumed that the reinforcement takes up all the compressive force in the slab. | 
| A. | True | 
| B. | False | 
| Answer» C. | |
| 5. | Find the spacing for contraction joint to be included in an RCC slab in the rigid pavement having the following details.Permissible tensile stress in the reinforcement, SS = 1250 kg/cm2Slab width, b = 3.5 mThickness of slab, h = 22 cmCoefficient of friction, f = 0.15Unit weight of concrete, W = 2400 kg/m3The steel bars of 1 cm diameter are placed at 0.25 m spacing. | 
| A. | 9 m | 
| B. | 10.92 m | 
| C. | 10 m | 
| D. | 9.92 m | 
| Answer» E. | |
| 6. | Find the spacing between expansion joints for the following data given below.Width of expansion joint gap = 2.5 cmTemperature during laying the pavement = 16°CMaximum temperature during summer = 55°CCoefficient of thermal expansion = 10×10-6 /°C | 
| A. | 32.05 m | 
| B. | 33.05 m | 
| C. | 34.05 m | 
| D. | 35.05 m | 
| Answer» B. 33.05 m | |
| 7. | Determine the spacing between contraction joints of a 4 m wide slab having 15 cm thickness, coefficient of friction is 1.3 and allowable stress in concrete is 0.8 kg/cm2. | 
| A. | 4.13 m | 
| B. | 5.5 m | 
| C. | 5.13 m | 
| D. | 4.5 m | 
| Answer» E. | |
| 8. | Find the spacing between expansion joints for the following data given below.Width of expansion joint gap = 2.5 cmTemperature during laying the pavement = 14°CMaximum temperature during summer = 50°CCoefficient of thermal expansion = 10×10-6 /°C | 
| A. | 35.34 m | 
| B. | 35.72 m | 
| C. | 34.34 m | 
| D. | 34.72 m | 
| Answer» E. | |
| 9. | At what length of the slab does the maximum stress due to friction occur in the case of contraction joints? | 
| A. | One fourth | 
| B. | Half | 
| C. | Three fourth | 
| D. | Full | 
| Answer» C. Three fourth | |
| 10. | What is the equation to compute the contraction joint spacing for a plain cement concrete pavement? | 
| A. | \(L_c=\frac{2×10^2 SA}{fWbh}\) | 
| B. | \(L_c=\frac{2×10^4 S}{fW}\) | 
| C. | \(L_c=\frac{2×10^2 S}{fW}\) | 
| D. | \(L_c=\frac{2×10^4 SA}{fWbh}\) | 
| Answer» C. \(L_c=\frac{2×10^2 S}{fW}\) | |
| 11. | A thinner slab requires a ______ joint spacing. | 
| A. | Longer | 
| B. | Shorter | 
| C. | Deeper | 
| D. | Narrower | 
| Answer» C. Deeper | |
| 12. | The maximum spacing between the contraction joints in a reinforced cement concrete slab is ______ | 
| A. | 15 cm | 
| B. | 15 m | 
| C. | 14 cm | 
| D. | 14 m | 
| Answer» E. | |
| 13. | What is the equation used to find the spacing of the expansion joint? | 
| A. | \(L_e=\frac{δ}{100C(T_2-T_1)}\) | 
| B. | \(L_e=\frac{δ}{10C(T_2-T_1)}\) | 
| C. | \(L_e=\frac{2δ}{100C(T_2-T_1)}\) | 
| D. | \(L_e=\frac{2δ}{10C(T_2-T_1)}\) | 
| Answer» B. \(L_e=\frac{δ}{10C(T_2-T_1)}\) | |
| 14. | What is the expansion joint spacing design based on? | 
| A. | Length of pavement | 
| B. | Length of joint | 
| C. | Width of pavement | 
| D. | Width of joint | 
| Answer» E. | |
| 15. | What is the spacing allotted for the expansion joints in summer in the rigid pavement? | 
| A. | 50 – 60 m | 
| B. | 50 – 80 m | 
| C. | 90 – 120 m | 
| D. | 90 – 100 m | 
| Answer» D. 90 – 100 m | |