If the formation level of a highway has a uniform gradient for a particular length, and the ground is
also having a longitudinal slope, the earthwork may be calculated by
(A) Mid-section formula
(B) Trapezoidal formula
(C) Prismoidal formula
(D) All the above

1 Answer

Answer :

(D) All the above

Related questions

Description : The ground surface slopes 1 in 50 along a proposed railway embankment 150 m in length. The height of the embankment at zero chainage is 0.5 m, the width is 11 m and side slopes 2:1. If the falling gradient ... calculated by Prismoidal formula, is (A) 3250 m3 (B) 3225 m3 (C) 3275 m3 (D) 3300 m3

Last Answer : (B) 3225 m3

Description : The assumption on which the trapezoidal formula for volumes is based, is (A) The end sections are parallel planes (B) The mid-area of a pyramid is half the average area of the ends (C) The volume of the Prismoidal is over-estimated and hence a Prismoidal correction is applied (D) All the above

Last Answer : (D) All the above

Description : If h1 and h2 are the differences in level between ground and the formation levels, m is the slope of the sloping sides. D is the distance between the cross sections then, Prismoidal correction for a level section is (A) D/2m(h1 - h2) (B) D/3m(h1 - h2) (C) D/6m(h1 - h2)2 (D) D/6m(h1 - h2)3

Last Answer : (C) D/6m(h1 - h2)2

Description : Differentiate between trapezoidal and prismoidal formula for computation of volume.

Last Answer : Sr.No. Trapezoidal Formula Prismoidal Formula 1 This formula is suitable for any number of sections.  This formula is applicable when there are an odd number of sections ... due to prismoidal consideration. 5 Simple in calculation. Comparatively difficult calculation

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

Description : Pick up the correct statement from the following: (A) The throat of the section of a control meter is either rectangular or trapezoidal (B) The floor of the control meter throat is almost level (C) The floor of the expanding outlet of the control meter is given a steep slope (D) All the above

Last Answer : Answer: Option D

Description : A counter may be defined as an imaginary line passing through (a) Points on the longitudinal section (b) Points of equal elevation (c) Point of equal local ground slope (d) Points of transverse section surveys

Last Answer : (b) Points of equal elevation

Description : If B is the width of formation, d is the height of the embankment, side slope S : 1, for a highway with no transverse slope, the area of cross-section is (A) B + d + Sd (B) Bd + Sd2 (C) B × d - Sd1/2 (D) ½ (Bd + Sd2

Last Answer : (B) Bd + Sd2

Description : In the mid-section formula (A) The mean depth is the average of depths of two consecutive sections (B) The area of mid-sections is calculated by using mean depth (C) The volume of the ... multiplying the mid-section area by the distance between the two original sections (D) All of the above

Last Answer : (D) All of the above

Description : Best side slope for most economical trapezoidal section in open channel flow, wherein side slopes are defined by : X horizontal to 1 vertical, is when X equals : (a) 0.404 (b) 0.500 (c) 0.577 (d) 0.673

Last Answer : (c) 0.577

Description : The cost of the earthwork in excavation for the surface drain of cross-section shown in the given figure for a total length of 5 metres @ Rs. 450% cum, is (A) Rs. 400 (B) Rs. 425 (C) Rs. 450 (D) Rs. 500

Last Answer : (C) Rs. 450

Description : Volume of the earth work may be calculated by (A) Mean areas (B) End areas (C) Trapezoidal (D) All the above

Last Answer : (D) All the above

Description : Pick up the correct statement from the following: (A) In order to check up the average depth of excavation, 'Dead man s' are left at the midwidths of borrow pits (B) The earthwork ... embankment includes the formation of correct profile and depositing the soil in layers (D) All the above

Last Answer : (D) All the above

Description : If the elevations along a road increase, the slope of the road along the longitudinal direction, is known as (A) Gradient (B) Grade (C) Positive grade (D) Negative grade

Last Answer : Answer: Option A

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

Last Answer : (C) 45 m 

Description : The correct Prismoidal formula for volume is (A) D [first area + last area + Even area + 2 odd areas] (B) D/3 [first area + last area + 4 Even area + 2 odd areas] (C) D/3 [first area + last area + 2 Even area + 4 odd areas] (D) D/6 [first area + odd areas]

Last Answer : (B) D/3 [first area + last area + 4 Even area + 2 odd areas]

Description : Uniform flow occurs when (A) The flow is steady (B) The flow is streamline (C) Size and shape of the cross section in a particular length remain constant (D) Size and cross section change uniformly along length

Last Answer : Answer: Option C

Description : The best compromise between the increase of the length of a highway and reduction in its load carrying capacity, is the ruling gradient (A) 1 in 10 (B) 1 in 15 (C) 1 in 20 (D) 1 in 25

Last Answer : Answer: Option C

Description : The section modulus of a rectangular light beam 25 metres long is 12.500 cm3 . The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of ... 13.33 kg/cm2 compressive (C) 26.67 kg/cm2 tensile (D) 26.67 kg/cm2 compressive

Last Answer : (C) 26.67 kg/cm2 tensile

Description : A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis

Last Answer : (D) Bending stress is same at every section along its longitudinal axis

Description : The cross-sections for a highway is taken at (A) Right angle to the centre line (B) 30 metres apart (C) Intermediate points having abrupt change in gradient (D) All the above

Last Answer : (D) All the above

Description : The slope correction for a length of 30 m along a gradient of 1 in 20, is  (A) 3.75 cm  (B) 0.375 cm  (C) 37.5 cm  (D) 2.75 cm

Last Answer : (A) 3.75 cm 

Description : The seepage exit gradient in a soil is the ratio of A) Total head to the length of seepage (B) Flow line to slope (C) Head upstream to that at downstream (D) Head loss to the length of the seepage

Last Answer : Answer: Option D

Description : If the ruling gradient is 1 in 150 on a particular section of a broad gauge track, the allowable ruling gradient on a 4° curve in the track will be : (a) 0.51% (b) 0.53% (c) 0.61% (d) 0.67%

Last Answer : (a) 0.51%

Description : According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) (A) A × m × i) (B) C × m × i) (C) AC × m × i) (D) mi × A × C)

Last Answer : Answer: Option C

Description : According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) (A) A × m × i) (B) C × m × i) (C) AC × m × i) (D) mi × A × C)

Last Answer : Answer: Option C

Description : The most efficient section of a channel is (A) Triangular (B) Rectangular (C) Square (D) Trapezoidal

Last Answer : Answer: Option D

Description : The highest efficiency is obtained with a channel of __________ section. (A) Circular (B) Square (C) Rectangular (D) Trapezoidal

Last Answer : Answer: Option D

Description : The discharge through a channel of trapezoidal section is maximum when (A) Width of channel at the top is equal to twice the width at the bottom (B) Depth of channel is equal to the width at the bottom ... equal to half the width at the top (D) The sloping side is equal to the width at the bottom

Last Answer : Answer: Option C

Description : The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to (A) 1/2 × depth (B) 1/2 × breadth (C) 1/2 × sloping side (D) 1/4 × (depth + breadth)

Last Answer : Answer: Option A

Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0

Last Answer : (B) 12.88

Description : A portion of an embankment having a uniform up-gradient 1 in 500 is circular with radius 1000 m of the centre line. It subtends 180° at the centre. If the height of the bank is 1 m at the lower end, and side slopes 2 ... earth work involved. (A) 26,000 m3 (B) 26,500 m3 (C) 27,000 m3 (D) 27,500 m

Last Answer : (D) 27,500 m3

Description : 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 ... of reduced level  (A) 1500 m  (B) 1505 m  (C) 1475 m  (D) 1485 m 

Last Answer : (D) 1485 m 

Description : For the construction of highway (or railway) (A) Longitudinal sections are required (B) Cross sections are required (C) Both longitudinal and cross sections are required (D) None of these

Last Answer : (C) Both longitudinal and cross sections are required

Description : The ratio of the length and diameter of a simply supported uniform circular beam which  experiences maximum bending stress equal to tensile stress due to same load at its mid span, is  (A) 1/8  (B) 1/4  (C) 1/2  (D) 1/3 

Last Answer : (C) 1/2 

Description : The deflection of a uniform circular bar of diameter d and length , which extends by an  amount under a tensile pull , when it carries the same load at its mid-span, is  (A) el/2d (B) e²l/3d² (C) el²/3d² (D) e²l²/3d

Last Answer : (C) el²/3d

Description : A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated  load W at its mid-span. The same bar experiences an extension e under same tensile load. The  ratio of the maximum deflection to the ... (A) L/d (B) L/2d (C) (L/2d)² (D) (L/3d)²

Last Answer : (C) (L/2d)

Description : If x% is the gradient of an alignment and y% is the gradient after proper super-elevation along a curved portion of a highway, the differential grade along the curve, is (A) (x + y) % (B) (x - y) % (C) (y - x) % (D) (y + x) %

Last Answer : Answer: Option C

Description : If the ruling gradient on any highway is 3%, the gradient provided on the curve of 300 metre radius, is (A) 2.00 % (B) 2.25 % (C) 2.50 % (D) 2.75 %

Last Answer : Answer: Option D

Description : 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

Last Answer : Answer: Option C

Description : When a fluid flows over a solid surface, the (A) Velocity is uniform at any cross-section (B) Velocity gradient is zero at the solid surface (C) Resistance between the surface & the fluid is lesser as compared to that between the fluid layers themselves (D) Velocity is not zero at the solid surface

Last Answer : (B) Velocity gradient is zero at the solid surface

Description : If a ‘vertical aerial photograph’, (20 cm x 20 cm) in size, on a R.F.I: 10,000, has 60% longitudinal overlap and 40% side overlap, the actual ground length covered by each photograph in the longitudinal direction of the flight will be : (a) 4 km (b) 6 km (c) 0.8 km (d) 0.4 km

Last Answer : .8

Description : A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m, the error is approximately equal to (A) Cumulative, + 0.11 m (B) Compensating, ± 0.11 m (C) Cumulative, - 0.11 m (D) None of these

Last Answer : (A) Cumulative, + 0.11 m

Description : A four wheel truck or whose operating weight is 12000 kg is pulled along a road having a rising slope of 2% at a uniform speed. Assume grade resistance factor = 10 kg/tonne. The tension in the tow cable is 720 kg. The ... will be (A) 20 kg/tonne (B) 30 kg/tonne (C) 40 kg/tonne (D) 50 kg/tonne

Last Answer : (C) 40 kg/tonne

Description : For the construction of buildings, the subheads of the estimate are (A) Earthwork, Concrete work, Brick work (B) Brickwork, Stone work, Roofing (C) Brickwork Flooring, Wood work, Steel work (D) All the above

Last Answer : (D) All the above

Description : Consider the following statements The general depth of scour calculated by Lacey's formula in a river represents the depth below the: 1. Maximum flood level in the river 2. Minimum flow water level in the river 3. Normal flow water ... 2, 3 and 4 b) 1, 2 and 3 only c) 2, 3 and 4 only d) 1 only

Last Answer : d) 1 only

Description : If total run off of a basin of 50 hectares is 0.8 cm, the ordinate of Bernard's distribution graph, may be calculated by the formula (where Q is the discharge in cumecs at the given time) (A) y = 50 Q (B) y = 100 Q (C) y = 200 Q (D) y = 250 Q

Last Answer : Answer: Option D

Description : Pick up the correct statement from the following: (A) A combined footing is so proportioned that centre of gravity of supporting area coincides with centre of gravity of two column loads (B) A ... in shape (C) Trapezoidal shaped footings may be provided under any loading (D) All the above

Last Answer : Answer: Option D

Description : Two different channels, M and N, in two different sites are designed based on Lacey's theory, to carry same quantum of discharge. But the bed material of M is found to be finer than that of N. a) ... slope c) Channels M and N can have same longitudinal slopes d) Silting is more in M than in N

Last Answer : b) Channel N will have steeper longitudinal slope

Description : Planimeter is used for measuring (A) Volume (B) Area (C) Contour gradient (D) Slope angle

Last Answer : (B) Area