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 : A furrow cross-section in a country plough is commonly a) Circular b) Triangular c) Rectangular d) Trapezoidal
Last Answer : ans b
Description : The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch. (A) Plus (B) Minus (C) Divide (D) None of these
Last Answer : Answer: Option A
Description : If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is (A) Square (B) Rectangular (C) Trapezoidal (D) Triangular
Last Answer : Answer: Option B
Description : The most efficient section of a channel is (A) Triangular (B) Rectangular (C) Square (D) Trapezoidal
Last Answer : Answer: Option D
Description : The Francis formula for the discharge over Cipoletti weir is (A) 1.84 LH1/2 (B) 1.84 LH (C) 1.84 LH3/2 (D) 1.84 LH5/
Last Answer : Answer: Option C
Description : The highest efficiency is obtained with a channel of __________ section. (A) Circular (B) Square (C) Rectangular (D) Trapezoidal
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 : 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
Description : All the planets in the solar system move around the sun in a - (1) Circular path (2) Elongated path (3) Rectangular path (4) Triangular path
Last Answer : (2) Elongated path Explanation: An orbit is the path that an object takes around another object. In our solar system, the planets orbit around the Sun in an elliptical path that looks like a circle that has been stretched (elongated).
Description : The cell is usually ____ in shape. • Triangular • Circular • Rectangular • Cylindrical
Last Answer : • Cylindrical
Description : cutter bar knife a) triangular shape b) square shape c) trapezoidal shape d) curved shape Ans. c
Last Answer : ans c
Description : 06. The formula for discharge over a sharp-crested weir and Ogee weir is same as that of a rectangular weir. A) Agree B) Disagree
Last Answer : A
Description : The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of ... 2g [H1 2 - Ha 2 ] (D) (2/3) Cd L. 2g [H1 5/2 - Ha 5/2]
Description : According to Bazin's formula, the discharge over a rectangular weir is mL2g x H 3/2where m is equal to (A) 0.405 + (0.003/H) (B) 0.003 + (0.405/H) (C) 0.405 + (H/0.003) (D) 0.003 + (H/0.405)
Description : When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is (A) 1.84(L - 0.1nH)H 3/2 (B) 1.84(L - nH)H 2 (C) 1.84(L - 0.1nH)H 5/2 (D) 1.84(L - nH)H 3
Description : The absolute percentage error in the computed discharge over a rectangular weir corresponding to an absolute error of 1.5 % in the measurement of head over the sill of the weir would be : (a) 1.5 (b) 2.25 (c) 2.5 (d) 3.75
Last Answer : (b) 2.25
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 : For the same height, the bottom width for no tension, (A) For triangular section is more than rectangular section (B) For rectangular section is more than triangular section (C) For triangular section is same as that of a rectangular section (D) None of these
Last Answer : (C) For triangular section is same as that of a rectangular section
Description : In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir. (A) Equal to (B) One-third (C) Two-third (D) Three-fourth
Description : The length of a liquid stream while flowing over a weir __________ at the ends of the sill. (A) Expands (B) Does not change (C) Contracts (D) None of these
Description : A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. (A) Equal to (B) Less than (C) More than (D) None of these
Description : Plug weld is a. Rectangular b. Square c. Triangular d. None
Last Answer : d. None
Description : Fillet weld is a a. Square b. Rectangular c. Triangular d. None
Last Answer : c. Triangular
Description : Lap welded joints are a. Rectangular b. Square c. Triangular d. None
Description : Which method of planting is most suitable for Tea crop ? a. Square b. Triangular c. Contour d. Rectangular
Last Answer : b. Triangular
Description : it is a harrow with peg shaped teeth of diamond cross section to a Rectangular frame. A) Spike tooth harrow C Spring tooth harrow B) Acme harrow D Triangular harrow.
Last Answer : Spike tooth harrow
Description : The pattern of NaCl particles have a: a) Triangular b) Square c) Cubic d) Rectangular
Last Answer : c) Cubic
Description : Aqueducts are generally designed (A) Circular (B) Rectangular (C) Horse shoe section (D) All the above
Last Answer : (D) All the above
Description : Most commonly used section in grade aqueducts, is (A) Circular (B) Rectangular (C) Parabolic (D) Horse shoe section
Last Answer : (B) Rectangular
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 minimum number of main steel bars provided in R.C.C. (A) Rectangular columns is 4 (B) Circular columns is 6 (C) Octagonal columns is 8 (D) All the above
Description : Distribution of shear intensity over a rectangular section of a beam, follows: (A) A circular curve (B) A straight line (C) A parabolic curve (D) An elliptical curve
Description : The stress-strain curve concrete in compression follows [ A ] a straight line [ B ] a rectangular parabolic curve [ C ] a semi circular arc [ D ] a cubic parabola
Last Answer : [ B ] a rectangular parabolic curve
Description : Volume of the earth work may be calculated by (A) Mean areas (B) End areas (C) Trapezoidal (D) All the above
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
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)
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
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
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 : An error of 1% in measuring head over the crest of the notch (H) will produce an error of __________ in discharge over a triangular notch, (A) 1 % (B) 1.5 % (C) 2 % (D) 2.5 %
Description : m and n are monsoon duration factor and catchment factor respectively. If P is yearly rainfall in cm, runoff can be calculated by (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Last Answer : (A) Velocity area method
Description : Most important method for calculating discharge for planning a water supply project, is (A) Velocity area method (B) Weir or spillway method (C) Use of venturi-meter (D) Using power plant consumption
Description : As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at (A) Lower level (B) Higher level (C) Same level (D) Any of the above depending on the design
Description : The main function of a divide wall is to (A) Control the silt entry in the canal (B) Prevent river floods from entering the canal (C) Separate the under-sluices from weir proper (D) Provide smooth flow at sufficiently low velocity
Description : A control meter is preferred to a weir because (A) It measures the discharge even in silt Leiden streams (B) The velocity of approach of the channel increases above the control, and thus removes the silt completely (C) It is not damaged by floating debris (D) All the above
Description : divide wall is provided (A) At right angle to the axis of weir (B) Parallel to the axis of weir and upstream of it (C) Parallel to the axis of weir and downstream of it (D) At an inclination to the axis of weir
Description : The flow of water after spilling over the weir crest in chute spillway and side channel spillway respectively are (A) At right angle and parallel to weir crest (B) Parallel and at right angle to weir crest (C) Parallel to weir crest in both (D) At right angle to weir crest in both
Description : Generally the weir is aligned at right angles to the direction of the main river current because (A) It ensures less length of the weir (B) It gives better discharging capacity (C) It is economical (D) All of the above