1. Which lamps are preferred at intersections?
a) Sodium-vapour
b) Mercury
c) Filament
d) Fluorescent
Explanation: Sodium vapour lights are mostly preferred at intersections, as they provide more lighting and are economical.
2. The ratio of average illumination recommended by IRC is?
a) 0.3
b) 0.4
c) 0.5
d) 0.6
Explanation: The ratio of average illumination recommended by IRC is 0.4, for national highway it is better if it is more than 0.4 for illumination purpose.
3. he clearance recommended by IRC for poles in urban roads is?
a) 0.3m
b) 0.4m
c) 0.5m
d) 0.6m
Explanation: The clearance recommended by IRC is 0.6m from raise of kerb and in non-availability of space it may be reduced to 0.3m.
4. The spacing between the highway lamps is __________
a) 10 to 15m
b) 15 to 30m
c) 30 to 45m
d) 30 to 60m
Explanation: The spacing between the highway lamps is between 30-60m, they are not fixed they may vary but they are recommended between 30-60m distance.
5. The maintenance factor of highway is assumed as __________
a) 0.5
b) 0.6
c) 0.7
d) 0.8
Explanation: The average life or maintenance factor can be assumed as 80% or 0.8, this is an assumption only it may also be 100%.
6. Land use, transportation and road network plans are __________
a) Inter linked
b) Intra linked
c) Not linked
d) Depends on the network
Explanation: Land use, transportation and road network plans are inter linked to each other and they are inseparable.
7. What is the main cause of accidents in urban areas?
a) Improper planning
b) Extra wide roads
c) Additional thickness of the pavement
d) Traffic congestion
Explanation: The main cause of accidents in urban areas is improper planning, no adequate facilities and increase of traffic.
8. The first stage in the function of traffic engineering department is?
a) Planning and design
b) Collection of data
c) Investigations
d) Finance
Explanation: The first stage in the function of the traffic engineering department is a collection of data followed by analysis and design.
9. Traffic forecast is not influenced by __________
a) GDP
b) Industrial output
c) Population
d) Weather
Explanation: Weather cannot influence the traffic forecast, as it is not related to traffic engineering, the remaining directly or indirectly are related to the traffic.
10. Demographic factors do not include __________
a) GDP
b) Population in urban cities
c) Population in rural areas
d) Overall population
Explanation: Demographic factors include population, the population in urban and rural areas, GDP accounts for economic factors.