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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. |
What height should the steel ball fall through in a softening point test to ascertain the temperature? |
A. | 25 cm |
B. | 2.5 cm |
C. | 50 cm |
D. | 5 cm |
Answer» C. 50 cm | |
2. |
The ductility value of sample tested is found to be 80 mm. What is the grade of the sample? |
A. | VG-40 |
B. | VG-30 |
C. | VG-20 |
D. | VG-10 |
Answer» E. | |
3. |
Float test is used to identify the impurities in bitumen. |
A. | True |
B. | False |
Answer» C. | |
4. |
Which of the below IS code gives guidelines for the flash and fire point test? |
A. | IS 1202 |
B. | IS 1208 |
C. | IS 1203 |
D. | IS 1209 |
Answer» E. | |
5. |
The spot test is used to determine if bitumen is ______ or not. |
A. | Cracked |
B. | Soluble |
C. | Strong |
D. | Deformed |
Answer» B. Soluble | |
6. |
From where is the paving bitumen grade A35 is obtained? |
A. | Saudi Arabia |
B. | Asia |
C. | Assam |
D. | Andhra Pradesh |
Answer» D. Andhra Pradesh | |
7. |
Which of the below tar type – application pairs matched correctly? |
A. | RT-1 – renewal coat |
B. | RT-2 – standard surface painting |
C. | RT-3 – cold weather surface painting |
D. | RT-4 – grouting |
Answer» C. RT-3 – cold weather surface painting | |
8. |
At what rate is the temperature applied during the softening point test? |
A. | 5° per minute |
B. | 5° per hour |
C. | 6° per minute |
D. | 6° per hour |
Answer» B. 5° per hour | |
9. |
Ductility of bitumen is measured in terms of ______ |
A. | Time |
B. | Distance |
C. | Temperature |
D. | Colour |
Answer» C. Temperature | |
10. |
______ viscosity is the ratio between applied shear stress and the rate of shear. |
A. | Normal |
B. | Apparent |
C. | Kinematic |
D. | Absolute |
Answer» E. | |
11. |
Which IS code is referred to for conducting the float test for bitumen? |
A. | IS 1209 |
B. | IS 1211 |
C. | IS 1210 |
D. | IS 1212 |
Answer» D. IS 1212 | |
12. |
______ mould is used for conducting the ductility test. |
A. | Block |
B. | Briquette |
C. | Urethane |
D. | Latex |
Answer» C. Urethane | |
13. |
Softening test was performed on a bitumen sample and it was found out to be 62°. Which grade does it belong to? |
A. | VG 10 |
B. | VG 20 |
C. | VG 30 |
D. | VG 40 |
Answer» E. | |
14. |
The indirect method of determining viscosity is not applicable to which of the below? |
A. | Tar |
B. | Cut-back bitumen |
C. | Modified bitumen |
D. | Bitumen emulsion |
Answer» D. Bitumen emulsion | |
15. |
For how long is the needle allowed to penetrate in the penetration test? |
A. | 5 seconds |
B. | 5 minutes |
C. | 10 seconds |
D. | 10 minutes |
Answer» B. 5 minutes | |