## Highway Engineering Questions and Answers - Traffic Regulation and Control Part-2

1. Traffic symbols are classified into how many categories?
a) One
b) Two
c) Three
d) Four

Explanation: The traffic symbols are classified into three types they are informatory, cautionary and mandatory.

2. The symbol when violated which may lead to offense is?
a) Cautionary
b) Mandatory
c) Informatary
d) Both informatory and cautionary

Explanation: Mandatory symbol is a symbol which has to be followed at all times, if violated except for special cases, they may attract a penalty

3. Which of the following is a disadvantage in one way traffic?
a) Increase in average travel speed
b) More effective coordination of signal system
c) More stream lined movement of vehicles
d) More chances of overtaking

Explanation: In one way traffic there are more chances of overtaking as there is traffic only in one direction, there is a chance of overtaking.

4. The total conflict points at a junction on both two way roads are?
a) One
b) Four
c) five
d) six

Explanation: The total number of conflict points is the sum of major and minor conflict points, major conflict points are 4 and minor conflict points are 2, so total conflict points are six.

5. The maximum number of conflict points is formed in __________
a) One way regulation on one road
b) One way regulation on two roads
c) Two way regulation on one road
d) Two way regulation on both roads

Explanation: The maximum number of conflict points is formed in two ways regulation on both roads is 24.

6. The specifications for road signs are specified by __________
a) IRC 6
b) IRC 21
c) IRC 67
d) IRC 97

Explanation: The specifications for road signs are specified by IRC 67-2010.

7. The diameter of the small size information board is?
a) 600mm
b) 900mm
c) 1200mm
d) 1500mm

Explanation: The diameter of the small size information board is 600mm, for medium size is 900mm and the large size diameter is 1200mm

8. Which type of board should be installed if the speed limit is 100kmph?
a) Small
b) Medium
c) Large
d) Not required

Explanation: Large sizes of boards are required when speed limit exceeds 100kmph, for lesser speeds small and medium sized boards can be used.

9. Give way sign is of __________
a) Triangular shape
b) Circular shape
c) Octagonal shape
d) Hexagonal shape