০০। 1.R.T.D.A. (Indian Roads and Transport Development Association) was set up at Bombay in
ক) 1907
খ) 1917
গ) 1927
ঘ) 1937
ঙ) 1942
০১। A district road with a bituminous pavement has a horizontal curve of 1000 m for a design speed of 75 km ph. The super-elevation is
ক) 1 in 40
খ) 1 in 50
গ) 1 in 60
ঘ) 1 in 70
ঙ) none of these.
০২। A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as
ক) ruling gradient
খ) pushing gradient
গ) floating gradient
ঘ) minimum gradient
০৩। A single lane carriage way whenever changes to two-lane carriage way, is affected through a taper of
ক) 1 in 10
খ) 1 in 15
গ) 1 in 20
ঘ) 1 in 15 to 1 in 20
০৪। A subsidiary area in a carriageway placed so as to control the movement of the traffic, is
ক) median strip
খ) island
গ) flower bed
ঘ) refuge.
০৫। According to Highway Research Board of U.S.A. practical land width, is
ক) 2.7 m
খ) 3.0 m
গ) 3.3 m
ঘ) 3.6 m
ঙ) 4.5 m
০৬। According to Indian Road Congress, the width of carriageway, is
ক) 3.75 m for single lane
খ) 7.0 m for two lanes without raised kerbs
গ) 7.5 m for two lanes with raised kerbs
ঘ) 10.5 m for three lanes pavements
ঙ) All the above
০৭। According to IRC : 52-1973, for a single lane National Highway in hilly region,
ক) width of the carriageway must be 3.75 m
খ) shoulders on either side must be 1.25 m
গ) total width of the road-way must be 6.25 m
ঘ) total of the above.
০৮। According to the recommendations of Nagpur Conference, the width formation of an ideal National Highway in hard rock cutting, is
ক) 8.9 m
খ) 7.9 m
গ) 6.9 m
ঘ) 6.5 m
ঙ) 7.5 m
০৯। Alignment of highways in hilly regions, is decided on
ক) long stretch of very hard cutting
খ) number of river crossings
গ) natural unstable areas
ঘ) saddles or passes
ঙ) all the above.
১০। Along a hill road, a side drain is provided on
ক) outer side of a spur curve
খ) outer side of a re-entrant curve
গ) outer side of both (a) and (b)
ঘ) inner side of both (a) and (b)
১১। Along high ways confirmatory route markers are generally fixed
ক) before the crossing on the left side
খ) after the crossing on the left side
গ) before the crossing on the right side
ঘ) after the crossing on the right side.
১২। Along horizontal curves, if centrifugal force exceeds lateral friction, vehicles may
ক) skid
খ) slip
গ) not be affected
ঘ) none of these.
১৩। An exceptional grade may be provided upto 1 in 12 along hill roads, if the length does not exceed
ক) 45 m per km
খ) 60 m per km
গ) 75 m per km
ঘ) 90 m per km
ঙ) 100 m per km
১৪। An Executive Engineer of roads, executes works under direct control of
ক) Superintending Engineer
খ) Secretary to the Govt
গ) Chief Engineer
ঘ) None of these.
১৫। An ideal vertical curve is
ক) true spiral
খ) cubic spiral
গ) cubic parabala
ঘ) lamniscate
ঙ) none of these.
১৬। An upgrade g1% is followed by a downgrade g2%. The equation of the parabolic curve of length L to be introduced, is given by
ক)
খ)
গ)
ঘ)
১৭। Any gradient on a road is said to be an exceptional gradient, if it is
ক) more than ruling gradient
খ) less than average gradient
গ) more than floating gradient
ঘ) less than minimum gradient or more than maximum gradient.
১৮। Area of steel required per metre width of pavement for a length of 20 m for design wheel load 6300 kg and permissible stress in steel 1400 kg/cm2, is
ক) 70 kg/sq cm
খ) 80 kg/sq cm
গ) 90 kg/sq cm
ঘ) 100 kg/sq cm
১৯। As per recommendations of I.R.C., traffic volume study is carried out for rural roads for 7 days continuously during