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 : 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
Last Answer : Answer: Option D
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 : 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
Last Answer : (D) All the above
Description : 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
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 stress in the wall of a cylinder in a direction normal to its longitudinal axis, due to a force acting along the circumference, is known as (A) Yield stress (B) Longitudinal stress (C) Hoop stress (D) Circumferential stress
Last Answer : (C) Hoop stress
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 : First operation during the detailed survey of a hill road, is (A) Hydrological and soil surveys (B) Adjustment of alignment along with curves (C) Derivation of longitudinal and cross-sections (D) Fixation of Bench Marks
Description : Profile levelling is usually done for determining (A) Contours of an area (B) Capacity of a reservoir (C) Elevations along a straight line (D) Boundaries of property
Last Answer : (C) Elevations along a straight line
Description : The direction of steepest slope on a contour, is (A) Along the contour (B) At an angle of 45° to the contour (C) At right angles to the contour (D) None of these
Last Answer : (C) At right angles to the contour
Description : An ionized gas contains both positive and negative ions . If it is subjected simultaneously to an electric field along the ` +x` - direction and a mag
Last Answer : An ionized gas contains both positive and negative ions . If it is subjected simultaneously to ... y-direction and negative ions towards +y-direction
Description : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive direction of Y-axis. The proton will be defl
Last Answer : A proton is moving along the negative direction of X-axis in a magnetic field directed along the positive ... Y-axis C. Z-axis D. None of these
Description : The difference in gradients after full super-elevation and the initial alignment of a road, is known as (A) Ruling gradient (B) Rising gradient (C) Compensated gradient (D) Differential gradient
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 : 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 : 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 : Planimeter is used for measuring (A) Volume (B) Area (C) Contour gradient (D) Slope angle
Last Answer : (B) Area
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
Description : The laminar boundary layer thickness in zero pressure gradient flow over a flat plate along the x-direction varies as x0.5 while the thickness of turbulent boundary layer varies as (where, x = distance from the leading edge) (A) x1.5 (B) x0.8 (C) x-1.5 (D) x-0.8
Last Answer : (B) x0.8
Description : A gradient along which the vehicle does not require any tractive effort to maintain a specified speed, is known as (A) Ruling gradient (B) Pushing gradient (C) Floating gradient (D) Minimum gradient
Description : Pick out the wrong statement. (A) The vessel dispersion number (D/UL) for plug flow and mixed flow approaches zero and infinity respectively (B) Space time in a flow reactor is a ... ideal tubular flow reactor, mixing takes place in radial direction and there is no mixing in longitudinal direction
Last Answer : (C) Mixed reactor is always smaller than the plug flow reactor for all positive reaction orders for a particular duty
Description : Pickup the incorrect statement from the following: (A) The invert of pressure conduit is independent of the grade of the hydraulic gradient line (B) The pressure conduits may be taken uphill ... m (C) Aqueducts and tunnels sections are generally kept circular (D) None of these
Last Answer : (D) None of these
Description : Consider the following statements: 1. Even when a nerve cell is not conducting an impulse, it is actively transporting K+ and Na+ ions in and out respectively against their concentration gradients at the expense of energy 2. As a ... is/are untrue? (a) 1 only (b) 1, 2, 4 (c) 2, 4 (d) 4 only
Last Answer : Ans:(d)
Description : If the gradient of a graph is negative, then the acceleration is A. positive B. negative C. zero D. 1
Last Answer : negative
Description : Critical path moves along the activities having total float as (a) Positive (b) Negative ( c) Zero (d) Unity
Last Answer : ( c) Zero
Description : Pick up the correct statement from the following: (A) Phase of a wave is expressed as a fraction of a period with respect to a reference (B) Phase is usually specified by angular measure with ... from the previous passage through zero from the negative to the positive direction (D) All of these
Description : If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is (A) (100 At × t)/WL (B) 100 At/tWL (C) (100 WAt × t)/tL (D) 100 WL/At t
Description : The statement, regarding the size of stones used at the wearing surface. "The size of a stone used on a road must be in due proportion to the space occupied by a wheel of ordinary dimensions on a smooth ... dimension is mischievous" was made by (A) Telford (B) Macadam (C) Tresguet (D) Sully
Last Answer : Answer: Option B
Description : Contour lines of different elevations can unite to form one line, only in the case of (A) A vertical cliff (B) A saddle (C) A water shed line (D) A hill top
Last Answer : (A) A vertical cliff
Description : Contours of different elevations may cross each other only in the case of (A) An overhanging cliff (B) A vertical cliff (C) A saddle (D) An inclined plane
Last Answer : (A) An overhanging cliff
Description : Select the correct statement. (A) A contour is not necessarily a closed curve. B) A contour represents a ridge line if the concave side of lower value contour lies towards the higher value contour ... each other except in case of an overhanging cliff (D) All of the above statements are correct
Last Answer : (C) Two contours of different elevations do not cross each other except in case of an overhanging clif
Description : For true difference in elevations between two points and , the level must be set up (A) At any point between A and B (B) At the exact midpoint of A and B (C) Near the point A (D) Near the point B
Last Answer : (B) At the exact midpoint of A and B
Description : 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
Last Answer : (B) Excavation on the centre line
Description : On the recommendations of Indian Road Congress, the ruling gradient in plains, is (A) 1 in 15 (B) 1 in 20 (C) 1 in 30 (D) 1 in 45
Description : Any gradient on a road is said to be an exceptional gradient, if it is (A) More than ruling gradient (B) Less than average gradient (C) More than floating gradient (D) Less than minimum gradient or more than maximum gradient
Description : A typical demand curve will normally have a (a) positive slope ; (b) horizontal slope ;(c) vertical slope ; (d) negative slope
Last Answer : (d) negative slope
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 : Which of the following statements is incorrect? (A) Minimum cross sectional area of longitudinal reinforcement in a column is 0.8% (B) Spacing of longitudinal bars measured along the periphery of ... (D) The number of longitudinal bars provided in a circular column should not be less than four
Description : Pick up the correct statement from the following regarding the pressure conduits: (A) Pressure conduits are permitted to run ¾th full (B) Pressure conduits are always laid along down grades ... ) The hydraulic gradient line always coincides the invert of the conduit (D) None of these
Description : A sewer is laid from a manhole to a manhole , 250 m away along a gradient of 1 in 125. If the reduced level of the invert at is 205.75 m and the height of the boning rod is 3 m, the reduced level of the sight rail at , is (A) 208.75 m (B) 202.75 m (C) 206.75 m (D) 211.75 m
Last Answer : (C) 206.75 m
Description : The chaining on sloping ground is (A) Easier along the falling gradient (B) Easier along the up gradient (C) Equally convenient along falling as well as up gradient (D) All the above
Last Answer : (A) Easier along the falling gradient
Description : To compensate the loss of tractive force of vehicles along curves of radius R, the percentage reduction of gradient, is (A) 50/R (B) 75/R (C) 100/R (D) 125/R
Description : Gradient resistance of moving vehicles along down slopes, is (A) + 7 kg/tonne (B) + 9 kg/tonne (C) - 9 kg/tonne (D) - 7 kg/tonne
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 : 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 critical hydraulic gradient may occur when (A) Flow is in upward direction (B) Seepage pressure is in upward direction (C) Effective pressure is zero (D) All the above
Description : The inspection pit or chamber is a manhole provided in a base drainage system (A) At every change of direction (B) At every change of gradient (C) At every 30 m intervals (D) All the above
Description : Pick up the incorrect statement from the following: (A) As a wave of sea water approaches the coast line, it is generally accompanied by a drift of water in the direction of wave advance (B) ... in the direction of the wave (D) The wave while receding carries finer particles out to deep water
Last Answer : (C) A falling hydraulic gradient occurs in the direction of the wave
Description : The gradient of slope of continental slope region can be ………………….
Last Answer : Choose the correct option by identifying the correct correlation in the sentence: The gradient of slope of ... to 4° (d) between 2° to 5°