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
(A) 1 in 40
(B) 1 in 50
(C) 1 in 60
(D) 1 in 70

1 Answer

Answer :

Answer: Option A

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Description : Extra widening required at a horizontal curve on a single lane hill road of radius 80 m for a design speed of 50 km ph and for a vehicle with wheel base 6.0 m is (A) 0.225 m (B) 0.589 m (C) 1.250 m (D) None of these

Last Answer : Answer: Option B

Description : If the rate of change of the super-elevation along a curved portion of a 7 metre wide road is 1 in 150 and the maximum super-elevation allowed is 1 in 15, the maximum length of the transition curve to be provided at either end, is (A) 65 m (B) 70 m (C) 75 m (D) 80 m

Last Answer : Answer: Option B

Description : If the coefficient of friction on the road surface is 0.15 and a maximum super-elevation 1 in 15 is provided, the maximum speed of the vehicles on a curve of 100 metre radius, is (A) 32.44 km/hour (B) 42.44 kg/hour (C) 52.44 km/hour (D) 62.44 km/hour

Last Answer : Answer: Option C

Description : If the designed speed on a circular curve of radius 1400 m is 80 km/hour, no super-elevation is provided, if the camber, is (A) 4 % (B) 3 % (C) 2 % (D) 1.7 %

Last Answer : Answer: Option C

Description : The total value of extra widening required at a horizontal curve on a two lane hill road of radius 42 m for a design speed of 50 kmph and for vehicles with wheel base 6 m, is (A) 0.500 m (B) 0.589 m (C) 1.089 m (D) 0.089 m

Last Answer : Answer: Option C

Description : If is the speed of a locomotive in km per hour, g is the acceleration due to gravity, is the distance between running faces of the rails and is the radius of the circular curve, the required super elevation is (A) gV²/GR (B) Rg/GV² (C) GR/gV² (D) GV²/gR

Last Answer : (D) GV²/gR

Description : If V is speed in km/hour and R is radius of the curve, the super-elevation e is equal to (A) V²/125 R (B) V²/225 R (C) V²/325 R

Last Answer : Answer: Option B

Description : If the radius of curvature of a hill road is 50 m, the percentage grade compensation should be (A) 60/R (B) 70/R (C) 75/R (D) 80/R

Last Answer : Answer: Option C

Description : Design of horizontal and vertical alignments, super-elevation, sight distance and grades, is worst affected by (A) Width of the vehicle (B) Length of the vehicle (C) Height of the vehicle (D) Speed of the vehicle

Last Answer : Answer: Option D

Description : The absolute minimum radius of horizontal curve for a design speed 60 kmph is (A) 131 m (B) 210 m (C) 360 m (D) None of these

Last Answer : Answer: Option D

Description : If the difference in elevation of an edge of the pavement 9 m wide and its crown is 15 cm, the camber of the pavement, is (A) 1 in 60 (B) 1 in 45 (C) 1 in 30 (D) 1 in 15

Last Answer : Answer: Option C

Description : Over taking time required for a vehicle with design speed 50 km ph and overtaking acceleration 1.25 m/sec2 to overtake a vehicle moving at a speed 30 km ph, is (A) 5.0 secs (B) 6.12 secs (C) 225.48 secs (D) 30 secs

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Description : Anitha travels 400 km by bus at 70 km/hr, 600 km by train at 80km/hr, 250 km by bike at 60 km/hr and 50 kn by car at 40 km/hr. what is the average speed for the total distance? a) 68.45 b) 69.45 c) 67.45 d) 69.77

Last Answer : D Total distance = (400+250+50+600)km =1300 km Total time taken = (400/70 + 600/80+250/60+50/40) hrs =(40/7 +60/8+25/6+5/4) =(24*40)+(21*60)+(28*25)+(42*5) / 168 =960+1260+700+210 / 168 =(3130 / 168) Average speed =(1300*168 / 3130) km/hr =218400/3130 =69.77 km/hr

Description : A girl covered a definite distance at same speed. Had she moved 6 km/hr faster, she would have taken 30 mins less. If she had moved 4 km/hr slower, she would have taken 30 mins more. The distance (in km) is. a) 50 b) 40 c) 70 d) 60

Last Answer : D Let distance = x km Rate = y km/hr x/y - x / (y+6) = 30/60 (x(y+6)-xy) / y(y+6) = ½ (xy +6x - xy) / y(y+6) = ½ 12x = y(y+6) ------------>1 And x/ (y-4) - x/y = 30/60 (Xy - x(y-4 ... = (y+6) / (y-4) 3y - 12 = 2y +12 Y = 24km Put y value in 1 we get 12x = 24 (24+6) 12x = 24 *30 X=60km

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Last Answer : Answer: Option C

Description : If V is the design speed of vehicles in km/hour, the change of radial acceleration in metres/sec3 , is (A) 65/(70 + V) (B) 60/(70 + V) (C) 70/(65 + V) (D) 70/(60 + V)

Last Answer : Answer: Option C

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Last Answer : Answer: Option B

Description : The convexity provided to the carriageway between the crown and edge of the pavement, is known as (A) Super-elevation (B) Camber (C) Height of the pavement (D) None of these

Last Answer : Answer: Option B

Description : 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 (A) 70 kg/sq cm (B) 80 kg/sq cm (C) 90 kg/sq cm (D) 100 kg/sq cm

Last Answer : Answer: Option C

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Description : If the number of lanes on the carriageway of a road is more than two, the total width of lane ways is equal to 3.0 m (A) + 0.60 m (B) + 0.70 m (C) + 0.90 m (D) + 1.50 m

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Description : If V is speed of a moving vehicle, r is radius of the curve, g is the acceleration due to gravity, W is the width of the carriageway, the super elevation is (A) WV/gr (B) W²V/gr (C) WV²/gr (D) WV/gr²

Last Answer : Answer: Option C

Description : For a 6.6 m wide two lane pavement, berms are provided on either side having a width of (A) 1.00 m (B) 1.25 m (C) 1.50 m (D) 1.75 m

Last Answer : Answer: Option C

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Description : no super elevation is provided on a road along curves, pot holes may develop at (A) Inner edge of the road (B) Outer edge of the road (C) Centre of the road (D) Nowhere on the road

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Last Answer : Answer: Option D

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