Important Questions about Transportation Engineering -1

Posted on by Iyman Faisal
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1. While designing intersection, consider
                  a.    Speed/travel time 
                  b.    Density 
                  c.    Delay 
                  d.    All of above      

All of above 

2. Curves At-Grade intersection should consider
                  a.    Angle of turn 
                  b.    Turning speed 
                  c.    Traffic volume 
                  d.    Design vehicle 
                  e.    All of above 

 All of above 

3. Types of intersection
                  a.    Intersection at grade 
                  b.    Grade separations without ramp 
                  c.    Interchanges 
                  d.    All of above

 All of above 

4. Minimum lane width 
                  a.    10 Ft 
                  b.    11 Ft 
                  c.       8 Ft 
                  d.    12 Ft      

12 Ft  

5. For poorly graded sub-base, thickness of sub-base is: 
                  a.    20 cm 
                  b.    25 cm 
                  c.    28 cm 
                  d.    30 cm  

30 cm 

6. Maximum perpendicular offset of the transition of curve is
                  a.    (R) /2L 
                  b.    (R) / L 
                  c.    (R) / 3 L 
                  d.    None of these  

 (R) /2L 

7. Road Capacity is
                  a.    The average sustained 15 minutes of flow 
                  b.    The minimum sustained 15 minutes of flow 
                  c.    The maximum sustained 15-min rate of flow 
                  d.    None of these     

The maximum sustained 15-min rate of flow 

8. Weaving in length on interchanges is necessary for
                  a.    Overtaking Lane 
                  b.    Passing Lane 
                  c.    Changing Lane 
                  d.    None of these 

Changing Lane 

9. Clayish 
                  a.     Good for usage in road 
                  b.    Bad for usage in road 
                  c.    Used in road 
                  d.    None of the above    

Bad for usage in road 

10. Curves At-Grade intersection to consider
                  a.    Angle of turn 
                  b.    Turning speed 
                  c.    Traffic volume 
                  d.    Design vehicle 
                  e.    All of above

All of above  

11. What is the degree of Curve
                  a.    100 feet chord angle 
                  b.    150 feet chord angle 
                  c.    160 feet chord angle 
                  d.    140 feet chord angle     

100 feet chord angle 

12. What is the perception and reaction time for calculating sight distance
                  a.    1 second 
                  b.    2.5 second 
                  c.    3.5 second 
                  d.    None of these

2.5-3.0 second 

13. Why Cross-sections in Road projects are important
                  a.    To calculate cut & fill Quantities
                  b.    Filling only
                  c.    Cutting only
                  d.    None of these  

To calculate cut & fill Quantities

14. What is the maximum value of PHF
                  a.    1
                  b.    0.35
                  c.    0
                  d.    0.25 

 1

15. Super elevation is used at: 
                  a.    Straight highways 
                  b.    Car parking’s 
                  c.    Bus stations 
                  d.    Horizontal curves

Horizontal curves 

16. The Advantage of providing Super elevation on roads
                  a.    Higher speed of vehicles 
                  b.    Increased volume of traffic 
                  c.    Reduced maintenance cost of the roads 
                  d.    Draining off rain water quickly 
                  e.    All the above

All the above

17. Allowable Temperature of asphalt during lining
                  a.    135 – 175 degree 
                  b.    130 – 170 degree 
                  c.    132 – 172 degree 
                  d.    None of these  

135 – 175 degree 

18. What is “LOS
                  a.    Quality of Service on highway 
                  b.    Level of Service of Road 
                  c.    Standard of Service on Roads 
                  d.    None of these  

 Level of Service of Road 

19. The level of service on a road is
                  a.    A quantitative measure of traffic flow
                  b.    A qualitative measure of traffic flow
                  c.    A numerical number from 1 to 5
                  d.    All of the above    

A qualitative measure of traffic flow

20. For a vehicle moving with a speed 80 Km per hour, the brake reaction time in ordinary cases is
                  a.    1.0 sec     
                  b.    1.5 sec     
                  c.    2.0 sec     
                  d.    2.5 sec     
                  e.    3.0 sec  

 2.5 sec    

21. Asphalt bleeds due to
                  a.    Hot weather 
                  b.    Dry Weather 
                  c.    Raining Weather 
                  d.    Void Content 
                  e.    All of above

All of above

22. At traffic junction and intersection other than volume of traffic you look
                  a.    Safety
                  b.    Cost
                  c.    Speed
                  d.    None of these

Speed

23. Grades in streets
                  a.    In angle
                  b.    In percentage
                  c.    Slope
                  d.    None of these  

  In percentage

24. What governs in intersection design after capacity
                  a.    Speed
                  b.    Safety
                  c.    Cost
                  d.    Volume

Speed

25. Level of service of roads
                  a.    Quality of road
                  b.    Qualitative of vehicles’
                  c.    Others
                  d.    None of these  

Qualitative of vehicles’


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