Reference pillars fixed on the centre line of a proposed road, provide the following information: (A) Reduced distance (R.D.) (B) Horizontal distance of road from the centre line (C) Reduced level at the top of pillar (D) All the above

Reference pillars fixed on the centre line of a proposed road, provide the following information:
(A) Reduced distance (R.D.)
(B) Horizontal distance of road from the centre line
(C) Reduced level at the top of pillar
(D) All the above
by

1 Answer

Answer :

Answer: Option D
by

Related questions

Deviation of the actual road gradient from the proposed contour gradient uphill side, involves (A) Embankment on the centre line (B) Excavation on the centre line (C) Earth work on the centre line (D) None of these

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Last Answer : (B) Excavation on the centre line 

A relatively fixed point of known elevation above datum, is called (A) Bench mark (B) Datum point (C) Reduced level (D) Reference point

Description : A relatively fixed point of known elevation above datum, is called (A) Bench mark (B) Datum point (C) Reduced level (D) Reference point

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The shear stress at any section of a shaft is maximum (A) At the centre of the section (B) At a distance r/2 from the centre (C) At the top of the surface (D) At a distance 3/4 r from the centre

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Last Answer : (C) At the top of the surface 

Roughness index of roads, is expressed as (A) Size of the stone on the pavement (B) Number of patches on the pavement (C) Cumulative deformation of surface per horizontal distance (D) Type of the road surface

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The centre of percussion of a solid cylinder of radius r resting on a horizontal plane will be (A) r/2 (B) 2r/3 (C) r/A (D) 3r/2

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Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made vertically downwards from a horizontal plane (C) The horizontal plane with reference to which staff readings are taken, coincides with the level surface through the telescope axis (D) All the above

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A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m and 284.295 m respectively, the collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m

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During last phase of the reconnaissance, details of the grade line is recorded on 2 metre poles to indicate (A) Direction of the proposed alignment (B) Distance between the previous and forward pegs (C) Relative elevations of pegs (D) All the above

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Pick up the correct statement regarding the centre line method of estimating a building (A) Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the item (B) The centre line is worked out separately for different sections of walls of a building (C) The centre line length is reduced by half the layer of main wall joining the partition wall (D) All the above

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Thickness of broken centre line markings for a four lane road, is generally kept (A) 10 cm (B) 12 cm (C) 15 cm (D) 18 cm

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The line of collimation method of reduction of levels, does not provide a check on (A) Intermediate sights (B) Fore sights (C) Back sights (D) Reduced levels

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Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as (A) 1/8th of the span (B) 1/10th of the span (C) 1/12th of the span (D) 1/16th of the span

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Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of (A) 0.1 L from the outer edge of column (B) 0.1 L from the centre edge of column (C) Half the distance of projection (D) One-fourth the distance of projection

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Last Answer : Answer: Option B

The effective depth of a T-beam is the distance between the (a) Centre of the flange and the top of the tensile reinforcement (b) Top of the flange and the centre of the tensile reinforcement (c) Bottom of the flange and the centre of the tensile reinforcement (d) Centre of the flange and the bottom centre of the tensile reinforcement

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A sphere of radius r is cut from larger sphere of radius R. The distance between their centre is a. The centroid of the remaining valoume lies on the line of centres and the sistanc from the centre of the larger sphere is a.ar2 / (R2 - r2) b.107 dynes c.aR/(R2-r2) d.aR/(R - r) e.ar3 / (R3 - r3)

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A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is (A) 1250 kg (B) 125 kg (C) 750 kg (D) 2500 kg

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The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level (A) 1500 m (B) 1505 m (C) 1475 m (D) 1485 m

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The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is (A) 502.685 m (B) 501.345 m (C) 501.340 m (D) 504.030 m

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The elevation Z of the watershed is: (where letters carry their usual meanings) (A) Reduced level of the top most point of the basin (B) Reduced level of the lower most point of the basin (C) Average elevation of the highest and lowest point of the drainage basin (D) Obtained by the formula Z = + + + anzn)/A

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Set-back distance is the distance between (A) Road land boundary and building line (B) Road land boundary and control line (C) Building line and control line (D) Road land boundary and control line

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Last Answer : Answer: Option C

The lowest outlet sluice in a dam is provided (A) Below the dead storage (B) On the top level of dead storage (C) On the top level of useful storage (D) At the centre of the dam

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A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height of the eye-piece above peg is 1.490 m and a reading on is 2.195 m. The difference in level between and is (A) 2.900 m (B) 3.030 m (C) 0.770 m (D) 0.785 m

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If the stress in each cross-section of a pillar is equal to its working stress, it is called (A) Body of equal (B) Body of equal section (C) Body of equal strength (D) None of these

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A short masonry pillar is 60 cm x 60 cm in cross-section, the core of the pillar is a square whose side is (A) 17.32 cm (B) 14.14 cm (C) 20.00 cm (D) 22.36 cm

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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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Last Answer : Answer: Option B

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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Last Answer : Answer: Option C

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

Description : 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

Last Answer : Answer: Option A

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Three points A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have (A) No gradient between A and C (B) A positive gradient between A and C (C) A negative gradient between A and C (D) A negative gradient between A and B

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The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage of the point with no filling or cutting is (A) (6 + 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these

Description : The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage ... 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these

Last Answer : (B) (6 + 12) chains

Which of the following is the locus of a point that moves in such a manner that its distance from a fixed point is equal to its distance from a fixed line multiplied by a constant greater than one (A) Ellipse (B) Hyperbola (C) Parabola (D) Circle

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Last Answer : (B) Hyperbola 

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Last Answer : (D) All the above

The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (A) (IG/ ) - (B) (IG/ ) - (C) ( /IG) + (D) (IG/ ) +

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Pick up the correct statement from the following: (A) A level surface is perpendicular at all points to the direction of gravity (B) A level line lies in level surface (C) A horizontal surface is normal to the direction of gravity at only one point (D) All the above

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Last Answer : (D) All the above 

The boundary of water of a still lake represents (A) Level surface (B) Horizontal surface (C) Contour line (D) A concave surface

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Last Answer : (C) Contour line

When the bubble of the level tube of a level, remains central (A) Line of sight is horizontal (B) Axis of the telescope is horizontal (C) Line of collimation is horizontal (D) Geometrical axis of the telescope is horizontal

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Last Answer : (A) Line of sight is horizontal

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called (A) Contour line (B) Contour gradient (C) Level line (D) Line of gentle scope

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The line of action of the buoyant force passes through the centre of gravity of the (A) Submerged body (B) Displaced volume of the fluid (C) Volume of fluid vertically above the body (D) Horizontal projection of the body

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For a beam having fixed ends, the unknown element of the reactions, is (A) Horizontal components at either end (B) Vertical components at either end (C) Horizontal component at one end and vertical component at the other (D) Horizontal and vertical components at both the ends

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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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