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

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
by

1 Answer

Answer :

Answer: Option D
by

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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

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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

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Last Answer : Answer: Option A

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)

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Pick up the correct statement from the following: (A) The directions of plumb lines suspended at different points in a survey are not strictly parallel (B) In surveys of small extent, the effect of curvature may be ignored and the level surface of the earth is assumed as horizontal (C) In surveys of large extent, the effect of curvature of the earth must be considered (D) All the above

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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

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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

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A bullet is fired vertically upwards with a velocity of 2200 ft/s. Bullet ascends to a height of a.56,900 ft b.107 dynes c.75,000 ft d.48.300 ft e.65,800 ft

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Pick up the correct statement from the following: (A) Long tangent sections exceeding 3 km in length should be avoided (B) Curve length should be at least 150 metres for a deflection angle of 5 degree (C) For every degree decrease in the deflection angle, 30 metre length of curve to be increased (D) All the above

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If degree of a road curve is defined by assuming the standard length of an arc as 30 metres, the radius of 1° curve is equal (A) 1719 m (B) 1146 m (C) 1046 m (D) 1619 m

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For designing the dock, the proportion of ship load assumed to be borne by keel blocks is (A) 5/8 (B) 3/8 (C) 3/16 (D) 5/16

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A ball is thrown upwards and it goes to the height 100 m and comes down 1) What is the net displacement? 2) What is the net distance? Answer -Science

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A 3% downgrade curve is followed by a 1% upgrade curve and rate of change of grade adopted is 0.1% per 20 m length. The length of the respective vertical curve is : (a) 800 m (b) 200 m (c) 100 m (d) 400 m

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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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Pick up the correct statement from the following: (A) The amount of water retained on the surface of soil grains by molecular attraction, is known as pellicular water(B) The degree of resistance to movement of the pellicular water generally expressed by the surface tension (C) The pellicular water held in any soil, is called field capacity (D) All the above

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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

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Last Answer : Answer: Option D

The maximum permissible nitrites in public water supplies, is (A) Nil (B) 0.5 P.P.M. (C) 1.0. P.P.M. (D) 1.5 P.P.M

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Pick up the correct statement from the following: (A) The water level in a still well, represents the ground water table level (B) The difference between water table level and the water level in a well after pumping, is called depression head (C) The surface of water table surrounding a well during pumping, forms a cone of depression (D) All the above

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Pick up the correct statement from the following: (A) Detailed survey is carried out for a strip of land about 30 m at sharp curves (B) Levels are taken along the trace cut at an interval of 20 m (C) Contour interval is generally adopted at 2 metres vertical interval (D) All the above

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Last Answer : Answer: Option D

Degree of a road curve is defined as the angle in degrees subtended at the centre by an arc of (A) 10 metres (B) 20 metres (C) 25 metres (D) 30 metres

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Pick up the correct statement from the following: (A) The maximum size of a coarse aggregate, is 75 mm and minimum 4.75 mm (B) The maximum size of the fine aggregate, is 4.75 mm and minimum 0.075 mm (C) The material having particles of size varying from 0.06 mm to 0.002 mm, is known as silt (D) All the ab

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If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is (A) 2.828 (B) 3.828 (C) 1.828 (D) 0.828

Description : If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway, is (A) 2.828 (B) 3.828 (C) 1.828 (D) 0.828

Last Answer : (A) 2.828

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

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

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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

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

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A reinforced concrete beam is assumed to be made of (A) Homogeneous material (B) Heterogeneous material (C) Isotropic material (D) None of these

Description : A reinforced concrete beam is assumed to be made of  (A) Homogeneous material  (B) Heterogeneous material  (C) Isotropic material  (D) None of these 

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For initial estimate for a beam design, the width is assumed (A) 1/15th of span (B) 1/20th of span (C) 1/25th of span (D) 1/30th of span

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