MCQOPTIONS
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MCQOPTIONS
This section includes 26 Mcqs, each offering curated multiple-choice questions to sharpen your Highway Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Match the pair:a) Penetration testi) Hardness property of stonesb) Plate bearing testii) Hardness of softness of bitumenc) CBR testiii) Penetration test for highway materiald) Abrasion testiv) Modulus of subgrade reaction |
| A. | a – iii, b – iv, c – i, d - ii |
| B. | a – ii, b – iv, c – iii, d - i |
| C. | a – ii, b – iv, c – i, d - iii |
| D. | a – ii, b – iii, c – i, d - iv |
| Answer» C. a – ii, b – iv, c – i, d - iii | |
| 2. |
Identify the test that is NOT commonly used to measure the strength of soil subgrade in highway pavement? |
| A. | California bearing ratio test |
| B. | Plate bearing test |
| C. | Triaxial compression test |
| D. | Standard penetration test |
| Answer» E. | |
| 3. |
In a abrasion test loss in weight is 27 gms, then coefficient of hardness will be |
| A. | 11 |
| B. | 12 |
| C. | 13 |
| D. | 14 |
| Answer» B. 12 | |
| 4. |
A bitumen sample has been graded as VG30 as per IS 73-2013. The ‘30’ in the grade means that |
| A. | Penetration of bitumen at 25°C is between 20 and 40 |
| B. | Viscosity of bitumen at 60°C is between 2400 and 3600 Poise |
| C. | Ductility of bitumen 27°C is more than 30 cm. |
| D. | Elastic recovery at 15°C is more than 30%. |
| Answer» C. Ductility of bitumen 27°C is more than 30 cm. | |
| 5. |
A semi rigid material which forms an excellent impervious layer for damp proofing is termed as |
| A. | Mastic Asphalt |
| B. | Bitumen |
| C. | Alumina |
| D. | Bituminous felt |
| Answer» B. Bitumen | |
| 6. |
California Bearing Ratio (CBR) |
| A. | Is a method of soil identification |
| B. | Is a measure to indicate the relative strengths of paving materials. |
| C. | Is a measure of soil strength |
| D. | Is a procedure for designing Rigid pavements |
| Answer» E. | |
| 7. |
Group-I gives a list of test methods for evaluating properties of aggregates. Group-II gives the list of properties to be evaluated.Group-I: Test methodsGroup-II: PropertiesP. Soundness test1. StrengthQ. Crushing test2. Resistance to weatheringR. Los Angles abrasion test3. AdhesionS. Stripping value test4. Hardness The correct match of test methods under Group-I to properties under Group-II, is |
| A. | P-4; Q-1; R-2; S-3 |
| B. | P-2; Q-1; R-4; S-3 |
| C. | P-3; Q-4; R-1; S-2 |
| D. | P-2; Q-4; R-3; S-1 |
| Answer» C. P-3; Q-4; R-1; S-2 | |
| 8. |
In Water Bound macadam roads, the binding material is: |
| A. | Sand |
| B. | Crushed aggregate dust |
| C. | Cement |
| D. | Bitumen |
| Answer» C. Cement | |
| 9. |
If aggregate size of 50 – 40 mm is to be tested for finding out the portion of elongated aggregates using length gauge, the slot length of the gauge should be |
| A. | 81 mm |
| B. | 45 mm |
| C. | 53 mm |
| D. | 90 mm |
| Answer» B. 45 mm | |
| 10. |
A sticky, black and highly viscous liquid or semi-solid form of petroleum is termed as _______ |
| A. | metal paste |
| B. | varnish |
| C. | distemper |
| D. | asphalt |
| Answer» E. | |
| 11. |
As per current Viscosity Graded (VG) bitumen specifications in India (IS 73 : 2006, Third revision) the Absolute Viscosity of bitumen using vacuum capillary tube viscometer is determined at _______ temperature. |
| A. | 135° |
| B. | 25° |
| C. | 27° |
| D. | 60° |
| Answer» E. | |
| 12. |
In water bound roads binding material is |
| A. | sand |
| B. | stone dust |
| C. | cement |
| D. | brick dust |
| Answer» C. cement | |
| 13. |
In Marshall method of mix design, the coarse aggregate, fine aggregate, fines and bitumen having respective values of specific gravity 2.60, 2.70, 2.65 and 1.01, are mixed in the relative proportions (% by weight) of 55.0, 35.8, 3.7 and 5.5 respectively. The theoretical specific gravity of the mix and the effective specific gravity of the aggregates in the mix respectively are: |
| A. | 2.42 and 2.63 |
| B. | 2.42 and 2.78 |
| C. | 2.42 and 2.93 |
| D. | 2.64 and 2.78 |
| Answer» B. 2.42 and 2.78 | |
| 14. |
Fine aggregates are those which pass and retain on which of the following sizes of IS sieves respectively? |
| A. | 6 mm and 75 μ |
| B. | 4·75 mm and 75 μ |
| C. | 75 μ and 4·75 mm |
| D. | 10 mm and 4·75 mm |
| Answer» C. 75 μ and 4·75 mm | |
| 15. |
Excessive deformation in foundation layers of flexible roads is known as- |
| A. | Wearing course failure |
| B. | Base course failure |
| C. | Sub grade failure |
| D. | Pavement failure |
| Answer» C. Sub grade failure | |
| 16. |
During a forensic investigation of pavement failure, an engineer reconstructed the graphs P, Q, R and S, using partial and damaged old reports.Theoretically plausible correct graphs according to the 'Marshall mixture design output' are |
| A. | P, Q, R |
| B. | P, Q, S |
| C. | Q, R, S |
| D. | R, S, P |
| Answer» C. Q, R, S | |
| 17. |
In tack coat, bitumen is used at the rate of_______. |
| A. | 5 kg/m2 |
| B. | 0.5 kg/m2 |
| C. | 1 kg/m2 |
| D. | 10 kg/m2 |
| Answer» C. 1 kg/m2 | |
| 18. |
As per IS 383-1970, the crushing value of an aggregate used to cement concrete pavement should not exceed ________. |
| A. | 45% |
| B. | 35% |
| C. | 10% |
| D. | 25% |
| Answer» B. 35% | |
| 19. |
Abrasion test is conducted to find |
| A. | hardness of aggregates |
| B. | strength of aggregates |
| C. | toughness of aggregates |
| D. | durability of aggregates |
| Answer» B. strength of aggregates | |
| 20. |
In A-30 grade bitumen, A stands for |
| A. | Assam |
| B. | Andhra Pradesh |
| C. | Arunachal Pradesh |
| D. | Ahmedabad |
| Answer» B. Andhra Pradesh | |
| 21. |
Consider the following statements regarding ductility of bitumen:1. Ductility is the property which does not permit bitumen to undergo large deformation without breaking.2. Bitumen with high ductility are generally adhesive but do not have good cementing properties3. Ductility must be ascertained at two different temperatures in order to pronounce on the suitability of the materialWhich of the above statements are correct? |
| A. | 3 only |
| B. | 2 only |
| C. | 1 only |
| D. | 1, 2 and 3 |
| Answer» B. 2 only | |
| 22. |
A collapsible soil sub-grade sample was tested using Standard California Bearing Ratio apparatus, and the observations are given below:Sl. NoLoadPenetration160.55 kg2.5 mm2.80.55 kg5.0 mmTaking the standard assumptions regarding the load penetration curve, the CBR value of the sample will be taken as |
| A. | 39% |
| B. | 40% |
| C. | 4.4% |
| D. | 5.5% |
| Answer» D. 5.5% | |
| 23. |
In revised CBR design method recommended by the IRC for the design of flexible pavement, the total thickness depends upon |
| A. | The CBR value of the soil and cumulative standard axle loads |
| B. | The CBR value of the soil and number of commercial vehicles passing per day |
| C. | Only the CBR value of the soil |
| D. | The CBR value of the soil and magnitude of wheel load |
| Answer» D. The CBR value of the soil and magnitude of wheel load | |
| 24. |
Match the information related to tests on aggregates given in Group-I with that in Group-II.Group-IGroup-IIP. Resistance to impact1. HardnessQ. Resistance to wear2. StrengthR. Resistance to weathering action3. ToughnessS. Resistance to crushing4. Soundness |
| A. | P-1, Q-3, R-4, S-2 |
| B. | P-3, Q-1, R-4, S-2 |
| C. | P-4, Q-1, R-3, S-2 |
| D. | P-3, Q-4, R-2, S-1 |
| Answer» C. P-4, Q-1, R-3, S-2 | |
| 25. |
Match list I with list II and select the correct answer using the codes given below the list.List – I List – II A. Penetration Test1. Overlay designB. Marshal Test2. Determination of softening pointC. Ring and Ball Test3. Gradation of asphalt cementD. Benkelman beam Test4. Design of Bituminous concrete mix. |
| A. | A-4, B-3, C-2, D-1 |
| B. | A-4, B-3, C-1, D-4 |
| C. | A-3, B-2, C-4, D-1 |
| D. | A-3, B-4, C-2, D-1 |
| Answer» E. | |
| 26. |
Bitumen of grade 60/70 means: |
| A. | Its penetration value is 6 mm to 7 mm |
| B. | Its penetration value is 60 cm to 70 cm |
| C. | Its penetration value is 60 mm and softening point is 70 |
| D. | Its specific gravity is 0.6 to 0.7 |
| Answer» B. Its penetration value is 60 cm to 70 cm | |