For night travel, the length of a valley curve should be such that the head light beam distance is the same as (A) Stopping sight distance (B) Overtaking sight distance (C) Sum of (a) and (b) (D) Difference of (a) and (b)

For night travel, the length of a valley curve should be such that the head light beam distance is
the same as
(A) Stopping sight distance
(B) Overtaking sight distance
(C) Sum of (a) and (b)
(D) Difference of (a) and (b)
by

1 Answer

Answer :

Answer: Option A
by

Related questions

If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is (A) NS²/9.6 if L > S (B) NS²/9.6 if L < S (C) 2S - 9.6/N if L < S (D) Both (A) and (C)

Description : If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is (A) NS²/9.6 if L > S (B) NS²/9.6 if L < S (C) 2S - 9.6/N if L < S (D) Both (A) and (C)

Last Answer : Answer: Option D

Define i) Stopping Sight distance ii) Overtaking sight distance

Description : Define i) Stopping Sight distance ii) Overtaking sight distance

Last Answer : i) Stopping Sight Distance: SSD may be defined as the length of highway required to bring a vehicle to stop at various design speeds when the eye of the driver is 1200mm above the ... a vehicle intending to overtake the slow vehicle ahead safely against the traffic in the opposite direction. 

If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is (A) NS²/4 (B) NS²/6 (C) NS²/9.6 (D) NS²/4.8

Description : If N is the algebraic difference of grades, S is the head light beam distance in metres, the length (L) of a valley curve, is (A) NS²/4 (B) NS²/6 (C) NS²/9.6 (D) NS²/4.8

Last Answer : Answer: Option A

While calculating the overtaking sight distance, the height of the object above road surface, is assumed (A) 50 cm (B) 75 cm (C) 100 cm (D) 120 cm

Description : While calculating the overtaking sight distance, the height of the object above road surface, is assumed (A) 50 cm (B) 75 cm (C) 100 cm (D) 120 cm

Last Answer : Answer: Option D

If L is the length of vehicles in metres, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour, the maximum number N of vehicles/hour, is (A) N = 1000 V / (L + C) (B) N = (L + C) / 1000 V (C) N = 1000 L / (C + V) (D) N = 1000 C / (L + V)

Description : If L is the length of vehicles in metres, C is the clear distance between two consecutive vehicles (stopping sight distance), V is the speed of vehicles in km/hour, the maximum number N of vehicles/hour, is (A) N = 1000 V / (L + C ... ) / 1000 V (C) N = 1000 L / (C + V) (D) N = 1000 C / (L + V)

Last Answer : Answer: Option A

The safe length L of a valley curve for night travel is (A) 2S - (1.50 + 0.035 S)/N if L < S (B) NS²/(1.50 + 0.035 S) if L > S (C) Neither (a) nor (b)(D) Both (a) and (b

Description : The safe length L of a valley curve for night travel is (A) 2S - (1.50 + 0.035 S)/N if L < S (B) NS²/(1.50 + 0.035 S) if L > S (C) Neither (a) nor (b) (D) Both (a) and (b

Last Answer : Answer: Option D

Pick up the correct statement from the following: (A) The height of head light above road surface, is taken as 0.75 m (B) The beam of head light is up to one degree upwards from the grade of road (C) While designing the valley curve, the height of the object is assumed nil (D) All the above

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Last Answer : Answer: Option D

If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is (A) NS/4 (B) NS²/4 (C) N²S/4(D) (NS)²/4

Description : If N is the algebraic difference of grades, S is the minimum sight distance in metres, the length (L) of a summit curve is (A) NS/4 (B) NS²/4 (C) N²S/4 (D) (NS)²/4

Last Answer : Answer: Option B

If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is (A) NS/4 (B) NS²/4 (C) NS²/4.8 (D) NS²/9.6

Description : If N is the net difference of grades, S is the minimum overtaken sight distance in metres, the length (L) of a summit curve, is (A) NS/4 (B) NS²/4 (C) NS²/4.8 (D) NS²/9.6

Last Answer : Answer: Option D

If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is(A) NS²/4.4 if L > S(B) 2S - 4.4/N if L < S(C) 2S - 4.4/N if L > S(D) Both (a) and (b)

Description : If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is (A) NS²/4.4 if L > S (B) 2S - 4.4/N if L < S (C) 2S - 4.4/N if L > S (D) Both (a) and (b)

Last Answer : Answer: Option D

The absolute minimum sight distance required for stopping a vehicle moving with a speed of 80 kmph, is (A) 120 m (B) 200 m (C) 640 m (D) None of these

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Last Answer : Answer: Option A

The safe stopping sight distance D, may be computed from the equation (A) D = 0.278 Vt + V²/254f (B) D = 0.254 Vt + V²/278f (C) D = 0.254 Vt + V²/225f (D) D = 0.225 Vt + V²/254f

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Last Answer : Answer: Option A

The distance travelled by a moving vehicle during perception and brake reaction times, is known as (A) Sight distance (B) Stopping distance (C) Lag distance (D) None of these

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The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to (A) The distance between the zero of gradient and the foot of the staff (B) Twice the distance between the zero of graduation and the foot of the staff (C) Thrice the distance between the zero of graduation and the foot of the staff (D) None of the above

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Last Answer : (B) Twice the distance between the zero of graduation and the foot of the staff

If the velocity of moving vehicles on a road is 24 km/per hour, stopping distance is 19 metres and average length of vehicles is 6 metres, the basic capacity of lane, is (A) 500 vehicles per hour (B) 700 vehicles per hour (C) 1000 vehicles per hour (D) 1250 vehicles per hour

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Last Answer : Answer: Option C

If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to (A) District roads (B) Two lane roads (C) Two lane roads in one direction (D) None of these

Description : If C is basic capacity per lane, V is velocity in km/hour, S is stopping distance plus length of the vehicles in metres, the formula C = 1000V/S is applicable to (A) District roads (B) Two lane roads (C) Two lane roads in one direction (D) None of these

Last Answer : Answer: Option C

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

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

Length of vehicles does not affect (A) Extra widening (B) Minimum radius of turning (C) Passing sight distance (D) Width of shoulders

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The total length of a valley formed by two gradients - 3% and + 2% curve between the two tangent points to provide a rate of change of centrifugal acceleration 0.6 m/sec2 , for a design speed 100 kmph, is (A) 16.0 m (B) 42.3 m (C) 84.6 m (D) None of these

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Last Answer : Answer: Option C

The head light of vehicles should be such that its lower beam illuminates objects at (A) 10 m (B) 20 m (C) 30 m (D) 40 m

Description : The head light of vehicles should be such that its lower beam illuminates objects at (A) 10 m (B) 20 m (C) 30 m (D) 40 m

Last Answer : Answer: Option C

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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Last Answer : Answer: Option B

In case of a multi-lane road, overtaking is generally permitted (A) From right (B) From left (C) From both sides right and left (D) Not at all

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Last Answer : Answer: Option C

Which of the following statement is wrong? (A) A flow whose streamline is represented by a curve is called two dimensional flow. (B) The total energy of a liquid particle is the sum of potential energy, kinetic energy and pressure energy. (C) The length of divergent portion in a Venturimeter is equal to the convergent portion. (D) A pitot tube is used to measure the velocity of flow at the required point in a pipe.

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Last Answer : Answer: Option C

If V is the velocity in kmph, t the stopping distance S of the vehicle, is (A) 0.28V²t + V/0.01 (B) 0.28Vt + V²/0.1 (C) 0.28Vt + 0.01 (D) 0.28Vt + 0.01 V²/

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Last Answer : Answer: Option C

Minimum stopping distance for moving vehicles on road with a design speed of 80 km/hour, is (A) 80 m (B) 100 m (C) 120 m (D) 150 m

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A bus can travel 25% faster than a jeep. Both start from point P at the same time and reach point Q, 225 kms away from P, at the same time. On the way, however, the bus lost about 37.5 minutes while stopping at the certain place. What is the speed of the jeep? a) 64 km/hr b) 72 km/hr c) 68 km/hr d) 56 km/hr

Description : A bus can travel 25% faster than a jeep. Both start from point P at the same time and reach point Q, 225 kms away from P, at the same time. On the way, however, the bus lost about 37.5 minutes while stopping at the ... is the speed of the jeep? a) 64 km/hr b) 72 km/hr c) 68 km/hr d) 56 km/hr

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Pick up the correct specification of Ramsden eyepiece from the following: (A) It consists of two equal piano convex lenses (B) The curved surfaces of Plano-convex lenses face each other (C) The distance between the diaphragm and the front lens of the eyepiece is kept equal to 1/4 th of the focal length of a lens so that rays from a point on the diaphragm enter the eye as a parallel beam (D) All the above

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The total length of a cranked bar through a distance (d) at 45° in case of a beam of effective length L, is (A) L + 0.42 d (B) L + (2 × 0.42 d) (C) L - (0.42 d) (D) L - (2 × 0.4 d)

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If +0.8% grade meets -0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be (A) 600 m (B) 700 m (C) 800 m (D) 900 m

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Last Answer : (D) 900 m

The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is (A) L(g - g (B) L(g - g (C) L(g g (D) L(g - g

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Last Answer : Answer: Option C

If a rectangular beam measuring 10 × 18 × 400 cm carries a uniformly distributed load such that the bending stress developed is 100 kg/cm2 . The intensity of the load per metre length, is (A) 240 kg (B) 250 kg (C) 260 kg (D) 270 kg

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Last Answer : (B) 250 kg

Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high

Description : Non-passing sight distance along a road is the longest distance at which the driver of a moving vehicle, may see an obstacle on the pavement (A) 10 cm high (B) 25 cm high (C) 50 cm high (D) 100 cm high

Last Answer : Answer: Option A

The maximum safe speed on roads, depends on the (A) Type of road surface (B) Type of curves (C) Sight distance (D) All the above

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When an up gradient of a highway meets a downgrade, the vertical curve provided, is known as (A) Valley curve (B) Sag curve (C) Summit curve (D) All the above

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My neighbors adjacent yard ahs thiscreeping something that is now coming into my lawn and leterally overtaking it

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Overtaking the tractor and the car behind it.

Description : what about the prohibition of overtaking vehicles by a modified traffic sign, supplementing the table "tractors can be overtaken" even if a tractor has passed here and at the same time a car behind it?

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Centering error of a theodolite produces an error (A) In all angles equally (B) Which does not vary with the direction or pointing (C) Which varies with the direction of pointing and inversely with the length of sight (D) None of these

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Last Answer : (C) Which varies with the direction of pointing and inversely with the length of sight 

A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and 1.37. The collimation error per 100 m length of sight is (A) 0.02 m inclined upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these

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Last Answer : (B) 0.04 m inclined downwards 

Keeping the instrument height as 1½ m, length of staff 4 m, the up gradient of the ground 1 in 10, the sight on the up slope must be less than (A) 25 cm (B) 20 m (C) 45 m (D) 10 m

Description : Keeping the instrument height as 1½ m, length of staff 4 m, the up gradient of the ground 1 in 10,  the sight on the up slope must be less than  (A) 25 cm  (B) 20 m  (C) 45 m  (D) 10 m

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Keeping the instrument height as 1.5 m, length of staff 4 m, the slope of the ground as 1 in 10, the sight on the down-slope, must be less than (A) 30 m (B) 25 m (C) 20 m (D) 15 m

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Last Answer : (B) 25 m 

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Last Answer : (D) Algebraic sum of the transverse forces of the section

Which of the following is not a condition for drafts to be negotiable? A. must be in writing, signed by the drawer B. must contain a promise to pay a certain sum if goods are received C. must contain an order to pay D. must be payable on sight or at a specified date E. must be made out to order or bearer

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A car is travelling at 90 km/hour on a rough road where the coefficient of friction between the road and the tyre is 0.5. The distance the car will skid before stopping when the brakes are jammed suddenly would be a.127.4 m b.95.55 m c.63.7 m d.31.85 m e.90 m

Description : A car is travelling at 90 km/hour on a rough road where the coefficient of friction between the road and the tyre is 0.5. The distance the car will skid before stopping when the brakes are jammed suddenly would be a.127.4 m b.95.55 m c.63.7 m d.31.85 m e.90 m

Last Answer : c. 63.7 m