Description : The ratio of the depth of flow to the hydraulic radius for the most economical trapezoidal section, in open channel flow is (A) 0.5 (B) 1 (C) 1.5 (D) 2
Last Answer : (D) 2
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 most economical channel section for the fluid flow is the one for which the discharge is maximum for a given cross-sectional area. Vertical velocity distribution in an open channel for laminar flow can be assumed to be (A) Parabolic (B) Hyperbolic (C) Straight line (D) None of these
Last Answer : (A) Parabolic
Description : channel is said to be of most economical cross-section, if (A) It gives maximum discharge for a given cross-sectional area and bed slope (B) It has minimum wetted perimeter (C) It involves lesser excavation for the designed amount of discharge (D) All of the above
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 : Pick up the incorrect statement from the following. The width of the right-of-way is decided so as to accommodate (A) Formation width (B) Side slopes (C) Horizontal curve (D) Vertical curve
Description : The ratio of width to depth for the most economical rectangular section in open channel flow is (A) 0.5 (B) 1 (C) 1.5 (D) 2
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
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 : 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 : The most efficient section of a channel is (A) Triangular (B) Rectangular (C) Square (D) Trapezoidal
Description : The highest efficiency is obtained with a channel of __________ section. (A) Circular (B) Square (C) Rectangular (D) Trapezoidal
Description : Mansard roof is a roof which slopes in (A) Two directions without break in the slope on each side (B) Two directions with break in the slope on each side (C) Four directions without break in the slope on each side (D) Four directions with break in the slope on each side
Description : The type of roof which slopes in two directions with a break in the slope on each side is known as (A) Gable roof (B) Hip roof (C) Gambrel roof (D) Mansard roof
Last Answer : Option C
Description : The most economical section of a rectangular channel is one which has hydraulic mean depth or hydraulic radius equal to (A) Half the depth (B) Half the breadth (C) Twice the depth (D) Twice the breadth
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 : 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)
Description : A beam is called fixed beam if end slopes remain a. horizontal b.vertical c.inclined d.parabolic
Last Answer : a. horizontal
Description : The slenderness ratio of a vertical column of square cross- section of 10 cm side and 500 cm long, is (A) 117.2 (B) 17.3 (C) 173.2 (D) 137.2
Last Answer : (C) 173.2
Description : The specific volume on a psychrometric chart: a. Is plotted on vertical lines and read on the horizontal scale at the bottom of the chart b. Is plotted on horizontal lines and read on the vertical ... chart e. Is plotted on vertical lines and read on the horizontal scale at the top of the chart
Last Answer : Answer: D
Description : A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape. (A) Circular (B) Rectangular (C) Triangular (D) Trapezoidal
Last Answer : (A) Circular
Description : When Benetton, the sportswear designer and manufacturer, decided to open its own specialty shops to sell its merchandise, the firm was engaging in A)channel repetition B)vertical channel integration. C)a conventional marketing channel. D)horizontal channel integration. E)channel expansion.
Last Answer : B)vertical channel integration.
Description : Stability of hill slopes depends upon (A) Nature of the slope (B) Angle of the slope (C) Geological conditions (D) All the above
Description : What is most economical channel section ? Write conditions for rectangular channel section to be economical .
Last Answer : Most Economical Channel Section: - A channel which gives max. discharge for a given c/s area & bed slope and coefficient of roughness is called as Most Economical Channel Section. OR The most economical channel ... amount of excavation. Condition for rectangular channel: - i) b = 2d ii) R = d/2
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 : To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the ... the water horse power of the pump is (A) 400 (B) 450 (C) 500 (D) 600
Last Answer : (D) 600
Description : Failure of the stability of slopes, generally occurs along (A) Slip plane (B) A horizontal surface (C) A curved surface (D) All the surfaces
Description : the derivation of Thiem's formula, Q = (S1 - S2)/[2.3 log10( / )] the following assumption is not applicable (A) The aquifer is homogeneous and isotropic (B) Flow lines are radial and ... the water surface is too small (D) The well has been sunk up to the surface of the unconfined aquifer
Description : For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is (A) 0.303 (B) 0.404 (C) 0.505 (D) 0.707
Last Answer : (D) 0.707
Description : The equivalent diameter for fluid flow through square cross section channel of side 'x', for pressure drop calculation purpose is given by (A) 4x (B) 2x (C) x (D) √x
Last Answer : (C) x
Description : Transfer of genes (gene flow) in between different species is known as (a) Vertical gene flow (b) Horizontal gene flow (c) Lateral gene flow (d) Side gene flow
Last Answer : (b) Horizontal gene flow
Description : On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in (A) Greater degree of separation with a fixed number of trays (B) Increased reboiler load
Last Answer : (C) Increased reflux ratio
Description : In marketing channels, conflict occurs in marketing channels working at same level is classified as A. steep conflict B. slope conflict C. vertical conflict D. horizontal conflict
Last Answer : D. horizontal conflict
Description : Contour interval on a map sheet denotes (a) Vertical distance of contour lines above the datum plane (b) Vertical distance between two successive contour lines (c) Slope distance between two successive contour lines (d) Horizontal distance between two successive contour lines
Last Answer : (b) Vertical distance between two successive contour lines
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 : Define hydraulic radius for trapezoidal channel.
Last Answer : Hydraulic Radius: It is the ratio of the wetted area to wetted perimeter. It is also called as Hydraulic mean depth. R= Wetted area / Wetted perimeter = A/P
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 : For measuring flow by a Venturimeter, if should be installed in (A) Vertical line (B) Horizontal line (C) Inclined line with flow downward (D) In any direction and in any location
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 open channels, the specific energy is the (A) Total energy per unit discharge (B) Total energy measured with respect to the datum passing through the bottom of the channel (C) Total energy measured above the horizontal datum (D) Kinetic energy plotted above the free surface of water
Last Answer : Answer: Option B
Description : _______ is more prevalent in analog signals that have steep slopes or whose amplitudes vary rapidly. A. Peak limiting B. Quantization noise C. Granular noise D. Slope overload
Last Answer : D. Slope overload
Description : In time-cost optimization of a project, crashing is done. (A) On all the activities (B) On all the activities lying on the critical path (C) Only on activities lying on the ... critical activities and those that become critical at any stage of crashing in the order of ascending cost slope
Last Answer : D
Description : Consider the following statements. In case of flood routing in a river channel by Muskingum method, the coefficient x represents : 1. A dimensionless constant indicating the relative importance of inflow and outflow in determining storage ... , 3 and 4 only (c) 1, 2 and 3 only (d) 2, 3 and 4 only
Last Answer : (b) 1, 3 and 4 only
Description : A mono-block sleeper has A. Square section B. Rectangular section C. Trapezoidal section D. None of These
Last Answer : C [Trapezoidal section]
Description : A furrow cross-section in a country plough is commonly a) Circular b) Triangular c) Rectangular d) Trapezoidal
Last Answer : ans b
Description : The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same. (A) Circular beam is more economical (B) Square beam is more economical (C) Both the beams are equally strong (D) Both the beams are equally economical
Last Answer : (B) Square beam is more economical
Description : Beams of uniform strength are preferred to those of uniform section because these are economical for (A) Large spans (B) Heavy weights (C) Light weights (D) Short spans
Last Answer : (A) Large spans
Description : In a beam section, if the steel reinforcement is of such a magnitude that the permissible stresses in concrete and steel are developed simultaneously, the section is. (a) Balanced section (b) Economical section (c) Critical section (d) All the above
Last Answer : (d) All the above
Description : Warner Bros. sells cookie jars, puzzles, photo albums, and other items featuring its popular cartoon characters directly through its retail outlets. This is an example of A)channel leadership. ... co -operation. C)channel conflict D)horizontal channel integration. E)vertical channel integration..
Last Answer : E)vertical channel integration..